Beyond silicon: Thin-film tandem as an opportunity for photovoltaics supply chain diversification and faster power system decarbonization out to 2050
Martulli, A.; Gota, F.; Rajagopalan, N.; Meyer, T.; Ramirez Quiroz, C. O.; Costa, D.; Paetzold, U. W.; Malina, R.; Vermang, B.; Lizin, S.
2025. Solar Energy Materials and Solar Cells, 279, 113212. doi:10.1016/j.solmat.2024.113212

Device optimization of all-perovskite triple-junction solar cells for realistic irradiation conditions
Hussein, M.; Gota, F.; Paetzold, U. W.; Lemmer, U.
2024. Optics Express, 32 (24), 42383 – 42396. doi:10.1364/OE.537577

Energy Yield Modeling of Perovskite–Silicon Tandem Photovoltaics: Degradation and Total Lifetime Energy Yield
Orooji, S.; Paetzold, U. W.
2024. Energy Technology, 12 (11), Art.-Nr. : 2400998. doi:10.1002/ente.202400998

Development and Challenges of Large‐Area All‐Perovskite Tandem Solar Cells and Modules
Wang, J.; Zhu, J.; Chen, C.; Paetzold, U. W.; Zhao, D.
2024. Solar RRL, 8 (21), Art.-Nr.: 2301066. doi:10.1002/solr.202301066

Repeatable Perovskite Solar Cells through Fully Automated Spin-Coating and Quenching
Baumann, D. O.; Laufer, F.; Roger, J.; Singh, R.; Gholipoor, M.; Paetzold, U. W.
2024. ACS Applied Materials & Interfaces, 16 (40), 54007–54016. doi:10.1021/acsami.4c13024

A rising era of perovskite-based triple-junction photovoltaics
Hu, H.; Pan, T.; Paetzold, U. W.
2024. Joule, 8 (7), 1884–1886. doi:10.1016/j.joule.2024.06.025

Hybrid Two‐Step Inkjet‐Printed Perovskite Solar Cells
Pesch, R.; Diercks, A.; Petry, J.; Welle, A.; Pappenberger, R.; Schackmar, F.; Eggers, H.; Sutter, J.; Lemmer, U.; Paetzold, U. W.
2024. Solar RRL, 8 (13), Art.-Nr.: 2400165. doi:10.1002/solr.202400165

Danger in the Dark: Stability of Perovskite Solar Cells with Varied Stoichiometries and Morphologies Stressed at Various Conditions
Singh, R.; Hu, H.; Feeney, T.; Diercks, A.; Laufer, F.; Li, Y.; Schackmar, F. R.; Abdollahi Nejand, B.; Paetzold, U.
2024. ACS applied materials & interfaces, 16 (21), 27450–27462. doi:10.1021/acsami.4c04350

Understanding and exploiting interfacial interactions between phosphonic acid functional groups and co-evaporated perovskites
Feeney, T.; Petry, J.; Torche, A.; Hauschild, D.; Hacene, B.; Wansorra, C.; Diercks, A.; Ernst, M.; Weinhardt, L.; Heske, C.; Gryn’ova, G.; Paetzold, U. W.; Fassl, P.
2024. Matter, 7 (6), 2066–2090. doi:10.1016/j.matt.2024.02.004

Modeling and Fundamental Dynamics of Vacuum, Gas, and Antisolvent Quenching for Scalable Perovskite Processes
Ternes, S.; Laufer, F.; Paetzold, U. W.
2024. Advanced Science, 11 (14), Art.-Nr.: 2308901. doi:10.1002/advs.202308901

Vapor phase deposition of perovskite photovoltaics: short track to commercialization?
Abzieher, T.; Moore, D. T.; Roß, M.; Albrecht, S.; Silvia, J.; Tan, H.; Jeangros, Q.; Ballif, C.; Hoerantner, M. T.; Kim, B.-S.; Bolink, H. J.; Pistor, P.; Goldschmidt, J. C.; Chiang, Y.-H.; Stranks, S. D.; Borchert, J.; McGehee, M. D.; Morales-Masis, M.; Patel, J. B.; Bruno, A.; Paetzold, U. W.
2024. Energy & Environmental Science, 17 (5), 1645–1663. doi:10.1039/D3EE03273F

Research data for: Understanding and exploiting interfacial interactions between phosphonic acid functional groups and co-evaporated perovskites
Feeney, T.; Petry, J.; Torche, A.; Hauschild, D.; Hacene, B.; Wansorra, C.; Diercks, A.; Ernst, M.; Weinhardt, L.; Heske, C.; Gryn’ova, G.; Paetzold, U. W.; Fassl, P.
2024, März 5. doi:10.35097/1946

Triple-junction perovskite–perovskite–silicon solar cells with power conversion efficiency of 24.4%
Hu, H.; An, S. X.; Li, Y.; Orooji, S.; Singh, R.; Schackmar, F.; Laufer, F.; Jin, Q.; Feeney, T.; Diercks, A.; Gota, F.; Moghadamzadeh, S.; Pan, T.; Rienäcker, M.; Peibst, R.; Nejand, B. A.; Paetzold, U. W.
2024. Energy & Environmental Science, 17 (8), 2800 – 2814. doi:10.1039/d3ee03687a

Surface saturation current densities of perovskite thin films from Suns‐photoluminescence quantum yield measurements
Chin, R. L.; Soufiani, A. M.; Fassl, P.; Zheng, J.; Choi, E.; Ho-Baillie, A.; Paetzold, U. W.; Trupke, T.; Hameiri, Z.
2024. Progress in Photovoltaics: Research and Applications. doi:10.1002/pip.3767

Device Performance of Emerging Photovoltaic Materials (Version 5)
Almora, O.; Bazan, G. C.; Cabrera, C. I.; Castriotta, L. A.; Erten-Ela, S.; Forberich, K.; Fukuda, K.; Guo, F.; Hauch, J.; Ho-Baillie, A. W. Y.; Jacobsson, T. J.; Janssen, R. A. J.; Kirchartz, T.; Lunt, R. R.; Mathew, X.; Mitzi, D. B.; Nazeeruddin, M. K.; Nelson, J.; Nogueira, A. F.; Paetzold, U. W.; Rand, B. P.; Rau, U.; Someya, T.; Sprau, C.; Vaillant-Roca, L.; Brabec, C. J.
2024. Advanced Energy Materials. doi:10.1002/aenm.202404386

Inkjet-printed optical interference filters
Jin, Q.; Zhang, Q.; Rainer, C.; Hu, H.; Chen, J.; Gehring, T.; Dycke, J.; Singh, R.; Paetzold, U. W.; Hernández-Sosa, G.; Kling, R.; Lemmer, U.
2024. Nature Communications, 15 (1), Article no: 3372. doi:10.1038/s41467-024-47086-x

Device Performance of Emerging Photovoltaic Materials (Version 4)
Almora, O.; Cabrera, C. I.; Erten-Ela, S.; Forberich, K.; Fukuda, K.; Guo, F.; Hauch, J.; Ho-Baillie, A. W. Y.; Jacobsson, T. J.; Janssen, R. A. J.; Kirchartz, T.; Loi, M. A.; Mathew, X.; Mitzi, D. B.; Nazeeruddin, M. K.; Paetzold, U. W.; Rand, B. P.; Rau, U.; Someya, T.; Unger, E.; Vaillant-Roca, L.; Brabec, C. J.
2024. Advanced Energy Materials, 14 (4), Art.-Nr.: 2303173. doi:10.1002/aenm.202303173

Bandgap Engineering of Two‐Step Processed Perovskite Top Cells for Perovskite‐Based Tandem Photovoltaics
Pappenberger, R.; Diercks, A.; Petry, J.; Moghadamzadeh, S.; Fassl, P.; Paetzold, U. W.
2024. Advanced Functional Materials, 34 (9), Art.Nr.: 2311424. doi:10.1002/adfm.202311424

Discovering Process Dynamics for Scalable Perovskite Solar Cell Manufacturing with Explainable AI
Klein, L.; Ziegler, S.; Laufer, F.; Debus, C.; Götz, M.; Maier-Hein, K.; Paetzold, U. W.; Isensee, F.; Jäger, P. F.
2024. Advanced Materials, 36 (7), Art.-Nr.: 2307160. doi:10.1002/adma.202307160

Intensity Dependent Photoluminescence Imaging for In‐Line Quality Control of Perovskite Thin Film Processing
Hacene, B.; Laufer, F.; Ternes, S.; Farag, A.; Pappenberger, R.; Fassl, P.; Moghadamzadeh, S.; Nejand, B. A.; Feeney, T.; Howard, I.; Paetzold, U. W.
2024. Advanced Materials Technologies, 9 (11), Art.-Nr.: 2301279. doi:10.1002/admt.202301279

Controlling Thin Film Morphology Formation during Gas Quenching of Slot-Die Coated Perovskite Solar Modules
Geistert, K.; Ternes, S.; Ritzer, D. B.; Paetzold, U. W.
2023. ACS applied materials & interfaces, 15 (45), 52519–52529. doi:10.1021/acsami.3c11923

Understanding Scalable Perovskite Solar Cell Manufacturing with Explainable AI
Klein, L.; Ziegler, S.; Laufer, F.; Debus, C.; Götz, M.; Maier-Hein, K.; Paetzold, U.; Isensee, F.; Jaeger, P.
2023

Bright circularly polarized photoluminescence in chiral layered hybrid lead-halide perovskites
Liu, S.; Kepenekian, M.; Bodnar, S.; Feldmann, S.; Heindl, M. W.; Fehn, N.; Zerhoch, J.; Shcherbakov, A.; Pöthig, A.; Li, Y.; Paetzold, U. W.; Kartouzian, A.; Sharp, I. D.; Katan, C.; Even, J.; Deschler, F.
2023. Science Advances, 9 (35), Art.-Nr. eadh5083. doi:10.1126/sciadv.adh5083

Optical simulations and optimization of perovskite/CI(G)S tandem solar cells using the transfer matrix method
Bojar, A.; Micha, D.; Giteau, M.; Ruiz-Preciado, M. A.; Paetzold, U. W.; Simor, M.; Gevaerts, V. S.; Carron, R.; Medjoubi, K.; Collin, S.; Naghavi, N.; Guillemoles, J.-F.; Schulz, P.
2023. Journal of Physics: Energy, 5 (3), Art.-Nr.: 035001. doi:10.1088/2515-7655/accf34

Void-free buried interface for scalable processing of p-i-n-based FAPbI3 perovskite solar modules
Hu, H.; Ritzer, D. B.; Diercks, A.; Li, Y.; Singh, R.; Fassl, P.; Jin, Q.; Schackmar, F.; Paetzold, U. W.; Nejand, B. A.
2023. Joule, 7 (7), 1574–1592. doi:10.1016/j.joule.2023.05.017

Electrical Conductivity and Photodetection in 3D‐Printed Nanoporous Structures via Solution‐Processed Functional Materials
Xia, K.; Dong, Z.; Sun, Q.; Debastiani, R.; Liu, S.; Jin, Q.; Li, Y.; Paetzold, U. W.; Gumbsch, P.; Lemmer, U.; Eggeler, Y. M.; Levkin, P. A.; Hernandez-Sosa, G.
2023. Advanced Materials Technologies, 8 (23), Art.Nr.: 2300408. doi:10.1002/admt.202300408

Translucent perovskite photovoltaics for building integration
Ritzer, D. B.; Abdollahi Nejand, B.; Ruiz-Preciado, M. A.; Gharibzadeh, S.; Hu, H.; Diercks, A.; Feeney, T.; Richards, B. S.; Abzieher, T.; Paetzold, U. W.
2023. Energy & Environmental Science, 16 (5), 2212–2225. doi:10.1039/D2EE04137E

Process Insights into Perovskite Thin‐Film Photovoltaics from Machine Learning with In Situ Luminescence Data
Laufer, F.; Ziegler, S.; Schackmar, F.; Viteri, E. A. M.; Götz, M.; Debus, C.; Isensee, F.; Paetzold, U. W.
2023. Solar RRL, 7 (7), Art.-Nr.: 2201114. doi:10.1002/solr.202201114

In Situ Process Monitoring and Multichannel Imaging for Vacuum‐Assisted Growth Control of Inkjet‐Printed and Blade‐Coated Perovskite Thin‐Films
Schackmar, F.; Laufer, F.; Singh, R.; Farag, A.; Eggers, H.; Gharibzadeh, S.; Abdollahi Nejand, B.; Lemmer, U.; Hernandez-Sosa, G.; Paetzold, U. W.
2023. Advanced Materials Technologies, 8 (5), Art.-Nr.: 2201331. doi:10.1002/admt.202201331

Enhancement of Amplified Spontaneous Emission by Electric Field in CsPbBr Perovskites
Li, Y.; Hu, H.; Farag, A.; Feeney, T.; Allegro, I.; Lemmer, U.; Paetzold, U. W.; Howard, I. A.
2023. Nano Letters, 23 (5), 1637–1644. doi:10.1021/acs.nanolett.2c02944

Bulk Incorporation with 4‐Methylphenethylammonium Chloride for Efficient and Stable Methylammonium‐Free Perovskite and Perovskite‐Silicon Tandem Solar Cells
Duong, T.; Nguyen, T.; Huang, K.; Pham, H.; Adhikari, S. G.; Khan, M. R.; Duan, L.; Liang, W.; Fong, K. C.; Shen, H.; Bui, A. D.; Mayon, A. O.; Truong, T.; Tabi, G.; Ahmad, V.; Surve, S.; Tong, J.; Kho, T.; Tran-Phu, T.; Lu, T.; Zheng, J.; Paetzold, U. W.; Lemmer, U.; Baillie, A. H.; Liu, Y.; Andersson, G.; White, T.; Weber, K.; Catchpole, K.
2023. Advanced Energy Materials, 13 (9), Art.-Nr.: 2203607. doi:10.1002/aenm.202203607

Evaporated Self‐Assembled Monolayer Hole Transport Layers: Lossless Interfaces in p‐i‐n Perovskite Solar Cells
Farag, A.; Feeney, T.; Hossain, I. M.; Schackmar, F.; Fassl, P.; Küster, K.; Bäuerle, R.; Ruiz-Preciado, M. A.; Hentschel, M.; Ritzer, D. B.; Diercks, A.; Li, Y.; Nejand, B. A.; Laufer, F.; Singh, R.; Starke, U.; Paetzold, U. W.
2023. Advanced Energy Materials, 13 (8), Art.-Nr.: 2203982. doi:10.1002/aenm.202203982

Energy Yield Modeling of Bifacial All‐Perovskite Two‐Terminal Tandem Photovoltaics
Gota, F.; An, S. X.; Hu, H.; Abdollahi Nejand, B.; Paetzold, U. W.
2023. Advanced Optical Materials, 11 (3), Art.-Nr.: 2201691. doi:10.1002/adom.202201691

Mitigation of Open‐Circuit Voltage Losses in Perovskite Solar Cells Processed over Micrometer‐Sized‐Textured Si Substrates
Farag, A.; Fassl, P.; Hu, H.; Feeney, T.; Quintilla, A.; Ruiz-Preciado, M. A.; Hempel, W.; Bagrowski, D.; Noack, P.; Wattenberg, B.; Dippell, T.; Paetzold, U. W.
2023. Advanced Functional Materials, 33 (3), Art.-Nr.: 2210758. doi:10.1002/ADFM.202210758

Device Performance of Emerging Photovoltaic Materials (Version 3)
Almora, O.; Baran, D.; Bazan, G. C.; Cabrera, C. I.; Erten-Ela, S.; Forberich, K.; Guo, F.; Hauch, J.; Ho-Baillie, A. W. Y.; Jacobsson, T. J.; Janssen, R. A. J.; Kirchartz, T.; Kopidakis, N.; Loi, M. A.; Lunt, R. R.; Mathew, X.; McGehee, M. D.; Min, J.; Mitzi, D. B.; Nazeeruddin, M. K.; Nelson, J.; Nogueira, A. F.; Paetzold, U. W.; Rand, B. P.; Rau, U.; Snaith, H. J.; Unger, E.; Vaillant-Roca, L.; Yang, C.; Yip, H.-L.; Brabec, C. J.
2023. Advanced Energy Materials, 13 (1), Art.-Nr.: 2203313. doi:10.1002/aenm.202203313

Surface Saturation Current Densities of Perovskite Thin Films from Suns-Photoluminescence Quantum Yield Measurements
Chin, R. L.; Soufiani, A. M.; Fassl, P.; Zheng, J.; Choi, E.; Ho-Baillie, A.; Paetzold, U.; Trupke, T.; Hameiri, Z.
2023. arxiv. doi:10.48550/arXiv.2306.04194

Decoupling Bimolecular Recombination Mechanisms in Perovskite Thin Films Using Photoluminescence Quantum Yield
Chin, R. L.; Soufiani, A. M.; Fassl, P.; Zheng, J.; Choi, E.; Ho-Baillie, A.; Paetzold, U.; Trupke, T.; Hameiri, Z.
2023. arxiv. doi:10.48550/arXiv.2306.02222

Origami-inspired perovskite X-ray detector by printing and folding
Mescher, H.; Schackmar, F.; Huber, R.; Eggers, H.; Zuber, M.; Hamann, E.; Gramlich, G.; Dangelmaier, J.; Zhang, Q.; Rösch, A. G.; Zwick, T.; Hernandez-Sosa, G.; Paetzold, U. W.; Lemmer, U.
2023. npj Flexible Electronics, 7 (1), Article no: 9. doi:10.1038/s41528-023-00240-9

Four-terminal Perovskite/CIGS Tandem Solar Cells: Unveiling the Path to >27% in Power Conversion Efficiency
Hossain, I. M.; Feeney, T.; Gharibzadeh, S.; Gota, F.; Singh, R.; Fassl, P.; Mertens, A.; Farag, A.; Becker, J.-P.; Paetel, S.; Ahlswede, E.; Paetzold, U. W.
2022. Solar RRL, 6 (12), Art.Nr. 2200662. doi:10.1002/solr.202200662

Wide Bandgap Perovskite Photovoltaic Cells for Stray Light Recycling in a System Emitting Broadband Polarized Light
Martínez-Denegri, G.; Ferreira, C. G.; Ruiz-Preciado, M. A.; Fassl, P.; Kramarenko, M.; Paetzold, U. W.; Martorell, J.
2022. Advanced Energy Materials, 12 (36), Art.-Nr.: 2201473. doi:10.1002/aenm.202201473

A Self‐Assembly Method for Tunable and Scalable Nano‐Stamps: A Versatile Approach for Imprinting Nanostructures
Donie, Y. J.; Yuan, Y.; Allegro, I.; Schackmar, F.; Hossain, I. M.; Huber, R.; Roger, J.; Paetzold, U. W.; Gomard, G.; Lemmer, U.
2022. Advanced materials technologies, 7 (6), Art.Nr.: 2101008. doi:10.1002/admt.202101008

Efficient Light Harvesting in Thick Perovskite Solar Cells Processed on Industry-Applicable Random Pyramidal Textures
Farag, A.; Schmager, R.; Fassl, P.; Noack, P.; Wattenberg, B.; Dippell, T.; Paetzold, U. W.
2022. ACS Applied Energy Materials, 5 (6), 6700–6708. doi:10.1021/acsaem.1c04028

Energy yield modelling of textured perovskite/silicon tandem photovoltaics with thick perovskite top cells
Gota, F.; Schmager, R.; Farag, A.; Paetzold, U. W.
2022. Optics Express, 30 (9), 14172–14188. doi:10.1364/OE.447069

Perovskite Solar Modules
Bruno, A.; Di Carlo, A.; Paetzold, U. W.
2022. Solar RRL, 6 (3), Artk.Nr.: 2101046. doi:10.1002/solr.202101046

Correlative In Situ Multichannel Imaging for Large-Area Monitoring of Morphology Formation in Solution-Processed Perovskite Layers
Ternes, S.; Laufer, F.; Scharfer, P.; Schabel, W.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2022. Solar RRL, 6 (3), Art.-Nr. 2100353. doi:10.1002/solr.202100353

Towards market commercialization: Lifecycle economic and environmental evaluation of scalable perovskite solar cells
Martulli, A.; Rajagopalan, N.; Gota, F.; Meyer, T.; Paetzold, U. W.; Claes, S.; Salone, A.; Verboven, J.; Malina, R.; Vermang, B.; Lizin, S.
2022. Progress in Photovoltaics: Research and Applications, 31 (2), 180–194. doi:10.1002/pip.3623

Scalable two-terminal all-perovskite tandem solar modules with a 19.1% efficiency
Abdollahi Nejand, B.; Ritzer, D. B.; Hu, H.; Schackmar, F.; Moghadamzadeh, S.; Feeney, T.; Singh, R.; Laufer, F.; Schmager, R.; Azmi, R.; Kaiser, M.; Abzieher, T.; Gharibzadeh, S.; Ahlswede, E.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2022. Nature Energy, 7, 620–630. doi:10.1038/s41560-022-01059-w

Laminated Monolithic Perovskite/Silicon Tandem Photovoltaics
Roger, J.; Schorn, L. K.; Heydarian, M.; Farag, A.; Feeney, T.; Baumann, D.; Hu, H.; Laufer, F.; Duan, W.; Ding, K.; Lambertz, A.; Fassl, P.; Worgull, M.; Paetzold, U. W.
2022. Advanced Energy Materials, 12 (27), Art.-Nr. 2200961. doi:10.1002/aenm.202200961

Monolithic Two-Terminal Perovskite/CIS Tandem Solar Cells with Efficiency Approaching 25%
Ruiz-Preciado, M. A.; Gota, F.; Fassl, P.; Hossain, I. M.; Singh, R.; Laufer, F.; Schackmar, F.; Feeney, T.; Farag, A.; Allegro, I.; Hu, H.; Gharibzadeh, S.; Nejand, B. A.; Gevaerts, V. S.; Simor, M.; Bolt, P. J.; Paetzold, U. W.
2022. ACS Energy Letters, 7 (7), 2273–2281. doi:10.1021/acsenergylett.2c00707

Charge Carrier and Exciton Dynamics in Perovskites Revealed by Time‐Integrated Photoluminescence after Double‐Pulse Excitation
Kaiser, M.; Li, Y.; Gharibzadeh, S.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.
2022. Advanced Materials Technologies, 7 (11), Art.Nr.: 2200152. doi:10.1002/admt.202200152

Lasing from Laminated Quasi‐2D/3D Perovskite Planar Heterostructures
Li, Y.; Roger, J.; Allegro, I.; Fischer, J. C.; Jin, Q.; Lemmer, U.; Howard, I. A.; Paetzold, U. W.
2022. Advanced Functional Materials, 32 (27), Artkl.Nr.: 2200772. doi:10.1002/adfm.202200772

Emergence of Deep Traps in Long-Term Thermally Stressed CH₃NH₃PbI₃ Perovskite Revealed by Thermally Stimulated Currents
Khan, M. R.; Schwenzer, J. A.; Lehr, J.; Paetzold, U. W.; Lemmer, U.
2022. The journal of physical chemistry letters, 13 (2), 552–558. doi:10.1021/acs.jpclett.1c03522

Consensus statement: Standardized reporting of power-producing luminescent solar concentrator performance
Yang, C.; Atwater, H. A.; Baldo, M. A.; Baran, D.; Barile, C. J.; Barr, M. C.; Bates, M.; Bawendi, M. G.; Bergren, M. R.; Borhan, B.; Brabec, C. J.; Brovelli, S.; Bulović, V.; Ceroni, P.; Debije, M. G.; Delgado-Sanchez, J.-M.; Dong, W.-J.; Duxbury, P. M.; Evans, R. C.; Forrest, S. R.; Gamelin, D. R.; Giebink, N. C.; Gong, X.; Griffini, G.; Guo, F.; Herrera, C. K.; Ho-Baillie, A. W. Y.; Holmes, R. J.; Hong, S.-K.; Kirchartz, T.; Levine, B. G.; Li, H.; Li, Y.; Liu, D.; Loi, M. A.; Luscombe, C. K.; Makarov, N. S.; Mateen, F.; Mazzaro, R.; McDaniel, H.; McGehee, M. D.; Meinardi, F.; Menéndez-Velázquez, A.; Min, J.; Mitzi, D. B.; Moemeni, M.; Moon, J. H.; Nattestad, A.; Nazeeruddin, M. K.; Nogueira, A. F.; Paetzold, U. W.; Patrick, D. L.; Pucci, A.; Rand, B. P.; Reichmanis, E.; Richards, B. S.; Roncali, J.; Rosei, F.; Schmidt, T. W.; So, F.; Tu, C.-C.; Vahdani, A.; Sark, W. G. J. H. M.; Verduzco, R.; Vomiero, A.; Wong, W. W. H.; Wu, K.; Yip, H.-L.; Zhang, X.; Zhao, H.; Lunt, R. R.
2022. Joule, 6 (1), 8–15. doi:10.1016/j.joule.2021.12.004

Perovskite Solar Cells with Vivid, Angle‐Invariant and Customizable Inkjet‐printed Colorization for Building‐Integrated Photovoltaics
Eggers, H.; Gharibzadeh, S.; Koch, S.; Schackmar, F.; Ritzer, D.; Abzieher, T.; Richards, B. S.; Erban, C.; Paetzold, U. W.
2022. Solar RRL, 6 (4), Art.-Nr.: 2100897. doi:10.1002/solr.202100897

An open-access database and analysis tool for perovskite solar cells based on the FAIR data principles
Jacobsson, T. J.; Hultqvist, A.; García-Fernández, A.; Anand, A.; Al-Ashouri, A.; Hagfeldt, A.; Crovetto, A.; Abate, A.; Ricciardulli, A. G.; Vijayan, A.; Kulkarni, A.; Anderson, A. Y.; Darwich, B. P.; Yang, B.; Coles, B. L.; Perini, C. A. R.; Rehermann, C.; Ramirez, D.; Fairen-Jimenez, D.; Di Girolamo, D.; Jia, D.; Avila, E.; Juarez-Perez, E. J.; Baumann, F.; Mathies, F.; González, G. S. A.; Boschloo, G.; Nasti, G.; Paramasivam, G.; Martínez-Denegri, G.; Näsström, H.; Michaels, H.; Köbler, H.; Wu, H.; Benesperi, I.; Dar, M. I.; Bayrak Pehlivan, I.; Gould, I. E.; Vagott, J. N.; Dagar, J.; Kettle, J.; Yang, J.; Li, J.; Smith, J. A.; Pascual, J.; Jerónimo-Rendón, J. J.; Montoya, J. F.; Correa-Baena, J.-P.; Qiu, J.; Wang, J.; Sveinbjörnsson, K.; Hirselandt, K.; Dey, K.; Frohna, K.; Mathies, L.; Castriotta, L. A.; Aldamasy, M. H.; Vasquez-Montoya, M.; Ruiz-Preciado, M. A.; Flatken, M. A.; Khenkin, M. V.; Grischek, M.; Kedia, M.; Saliba, M.; Anaya, M.; Veldhoen, M.; Arora, N.; Shargaieva, O.; Maus, O.; Game, O. S.; Yudilevich, O.; Fassl, P.; Zhou, Q.; Betancur, R.; Munir, R.; Patidar, R.; Stranks, S. D.; Alam, S.; Kar, S.; Unold, T.; Abzieher, T.; Edvinsson, T.; David, T. W.; Paetzold, U. W.; Zia, W.; Fu, W.; Zuo, W.; Schröder, V. R. F.; Tress, W.; Zhang, X.; Chiang, Y.-H.; Iqbal, Z.; Xie, Z.; Unger, E.
2022. Nature Energy, 7, 107–115. doi:10.1038/s41560-021-00941-3

Sn-Pb Mixed Perovskites with Fullerene-Derivative Interlayers for Efficient Four-Terminal All-Perovskite Tandem Solar Cells
Hu, H.; Moghadamzadeh, S.; Azmi, R.; Li, Y.; Kaiser, M.; Fischer, J. C.; Jin, Q.; Maibach, J.; Hossain, I. M.; Paetzold, U. W.; Abdollahi Nejand, B.
2022. Advanced Functional Materials, 32 (12), Art.-Nr.: 2107650. doi:10.1002/adfm.202107650

Influence of Wind Speed on Volcano Ash Removal From Self-Cleaning Cover Films Dedicated for Photovoltaics
Roslizar, A.; Taddeucci, J.; Paetzold, U. W.; Hölscher, H.; Richards, B. S.
2022. IEEE journal of photovoltaics, 12 (1), 453–460. doi:10.1109/JPHOTOV.2021.3117913

Device Performance of Emerging Photovoltaic Materials (Version 2)
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Two birds with one stone: dual grain-boundary and interface passivation enables >22% efficient inverted methylammonium-free perovskite solar cells
Gharibzadeh, S.; Fassl, P.; Hossain, I. M.; Rohrbeck, P.; Frericks, M.; Schmidt, M.; Duong, T.; Khan, M. R.; Abzieher, T.; Nejand, B. A.; Schackmar, F.; Almora, O.; Feeney, T.; Singh, R.; Fuchs, D.; Lemmer, U.; Hofmann, J. P.; Weber, S. A. L.; Paetzold, U. W.
2021. Energy & environmental science, 14 (11), 5875–5893. doi:10.1039/D1EE01508G

Annual energy yield of mono- and bifacial silicon heterojunction solar modules with high-index dielectric nanodisk arrays as anti-reflective and light trapping structures
Slivina, E.; Bätzner, D.; Schmager, R.; Langenhorst, M.; Lehr, J.; Paetzold, U. W.; Lemmer, U.; Rockstuhl, C.
2021. Optics express, 29 (21), 34494–34509. doi:10.1364/OE.435004

InO:H-Based Hole-Transport-Layer-Free Tin/Lead Perovskite Solar Cells for Efficient Four-Terminal All-Perovskite Tandem Solar Cells
Moghadamzadeh, S.; Hossain, I. M.; Loy, M.; Ritzer, D. B.; Hu, H.; Hauschild, D.; Mertens, A.; Becker, J.-P.; Haghighirad, A. A.; Ahlswede, E.; Weinhardt, L.; Lemmer, U.; Nejand, B. A.; Paetzold, U. W.
2021. ACS applied materials & interfaces, 13 (39), 46488–46498. doi:10.1021/acsami.1c06457

From Groundwork to Efficient Solar Cells: On the Importance of the Substrate Material in Co‐Evaporated Perovskite Solar Cells
Abzieher, T.; Feeney, T.; Schackmar, F.; Donie, Y. J.; Hossain, I. M.; Schwenzer, J. A.; Hellmann, T.; Mayer, T.; Powalla, M.; Paetzold, U. W.
2021. Advanced functional materials, 31 (42), Art.-Nr.: 2104482. doi:10.1002/adfm.202104482

In situ reflectance- photoluminescence imaging on solution-processed perovskite thin-films
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2021. 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC), 1472–1475, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC43889.2021.9518569

Photodegradation of Triple-Cation Perovskite Solar Cells: The Role of Spectrum and Bias Conditions
Farooq, A.; Khan, M. R.; Abzieher, T.; Voigt, A.; Lupascu, D. C.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2021. ACS applied energy materials, 4 (4), 3083–3092. doi:10.1021/acsaem.0c02813

Phase evolution during annealing of low-temperature co-evaporated precursors for CZTSe solar cell absorbers
Mwakyusa, L. P.; Jin, X.; Müller, E.; Schneider, R.; Gerthsen, D.; Rinke, M.; Paetzold, U. W.; Richards, B. S.; Hetterich, M.
2021. Journal of applied physics, 129 (15), Article no: 153104. doi:10.1063/5.0041320

Device Performance of Emerging Photovoltaic Materials (Version 1)
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2021. Advanced energy materials, 11 (11), Art. Nr.: 2002774. doi:10.1002/aenm.202002774

Efficient bifacial monolithic perovskite/silicon tandem solar cells via bandgap engineering
De Bastiani, M.; Mirabelli, A. J.; Hou, Y.; Gota, F.; Aydin, E.; Allen, T. G.; Troughton, J.; Subbiah, A. S.; Isikgor, F. H.; Liu, J.; Xu, L.; Chen, B.; Van Kerschaver, E.; Baran, D.; Fraboni, B.; Salvador, M. F.; Paetzold, U. W.; Sargent, E. H.; De Wolf, S.
2021. Nature energy, 6 (2), 167–175. doi:10.1038/s41560-020-00756-8

Perovskite Solar Cells with All-Inkjet-Printed Absorber and Charge Transport Layers
Schackmar, F.; Eggers, H.; Frericks, M.; Richards, B. S.; Lemmer, U.; Hernandez-Sosa, G.; Paetzold, U. W.
2021. Advanced materials technologies, 6 (2), Art.Nr. 2000271. doi:10.1002/admt.202000271

Analytical Study of Solution-Processed Tin Oxide as Electron Transport Layer in Printed Perovskite Solar Cells
Rohnacher, V.; Ullrich, F.; Eggers, H.; Schackmar, F.; Hell, S.; Salazar, A.; Huck, C.; Hernandez-Sosa, G.; Paetzold, U. W.; Jaegermann, W.; Pucci, A.
2021. Advanced materials technologies, 6 (2), Art.Nr. 2000282. doi:10.1002/admt.202000282

Drying and Coating of Perovskite Thin Films: How to Control the Thin Film Morphology in Scalable Dynamic Coating Systems
Ternes, S.; Mohacsi, J.; Lüdtke, N.; Pham, H. M.; Arslan, M.; Scharfer, P.; Schabel, W.; Richards, B. S.; Paetzold, U. W.
2021. ACS Applied Materials and Interfaces, 14 (9), 11300–11312. doi:10.1021/acsami.1c22363

Optimization of SnO electron transport layer for efficient planar perovskite solar cells with very low hysteresis†
Eliwi, A. A.; Malekshahi Byranvand, M.; Fassl, P.; Khan, M. R.; Hossain, I. M.; Frericks, M.; Ternes, S.; Abzieher, T.; Schwenzer, J. A.; Mayer, T.; Hofmann, J. P.; Richards, B. S.; Lemmer, U.; Saliba, M.; Paetzold, U. W.
2021. Materials advances, 3 (1), 456–466. doi:10.1039/d1ma00585e

Impact of n-Butylammonium Bromide on the Chemical and Electronic Structure of Double-Cation Perovskite Thin Films
Hauschild, D.; Seitz, L.; Gharibzadeh, S.; Steininger, R.; Jiang, N.; Yang, W.; Paetzold, U. W.; Heske, C.; Weinhardt, L.
2021. ACS Applied Materials and Interfaces, 13 (44), 53202–53210. doi:10.1021/acsami.1c15707

Interpreting the Time-Resolved Photoluminescence of Quasi-2D Perovskites
Kaiser, M.; Li, Y.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.
2021. Advanced Materials Interfaces, 8 (24), Art.-Nr.: 2101326. doi:10.1002/admi.202101326

Harvesting sub-bandgap photons via upconversion for perovskite solar cells
Singh, R.; Madirov, E.; Busko, D.; Hossain, I. M.; Konyushkin, V. A.; Nakladov, A. N.; Kuznetsov, S. V.; Farooq, A.; Gharibzadeh, S.; Paetzold, U. W.; Richards, B. S.; Turshatov, A.
2021. ACS applied materials & interfaces, 13 (46), 54874–54883. doi:10.1021/acsami.1c13477

Upscaling of perovskite solar modules: The synergy of fully evaporated layer fabrication and all‐laser‐scribed interconnections
Ritzer, D. B.; Abzieher, T.; Basibüyük, A.; Feeney, T.; Laufer, F.; Ternes, S.; Richards, B. S.; Bergfeld, S.; Paetzold, U. W.
2021. Progress in photovoltaics, 30 (4), 360–373. doi:10.1002/pip.3489

Exciton versus free carrier emission: Implications for photoluminescence efficiency and amplified spontaneous emission thresholds in quasi-2D and 3D perovskites
Li, Y.; Allegro, I.; Kaiser, M.; Malla, A. J.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.; Howard, I. A.
2021. Materials Today, 49, 35–47. doi:10.1016/j.mattod.2021.05.002

Revealing the internal luminescence quantum efficiency of perovskite films via accurate quantification of photon recycling
Fassl, P.; Lami, V.; Berger, F. J.; Falk, L. M.; Zaumseil, J.; Richards, B. S.; Howard, I. A.; Vaynzof, Y.; Paetzold, U. W.
2021. Matter, 4 (4), 1391–1412. doi:10.1016/j.matt.2021.01.019

How free exciton-exciton annihilation lets bound exciton emission dominate the photoluminescence of 2D-perovskites under high-fluence pulsed excitation at cryogenic temperatures
Kaiser, M.; Li, Y.; Schwenzer, J.; Jakoby, M.; Allegro, I.; Gerhard, M.; Koch, M.; Ducinskas, A.; Richards, B. S.; Graetzel, M.; Milić, J. V.; Paetzold, U. W.; Howard, I. A.
2021. Journal of Applied Physics, 129 (12), Art.-Nr.: 123101. doi:10.1063/5.0037800

Thermal Stability and Cation Composition of Hybrid Organic–Inorganic Perovskites
Schwenzer, J. A.; Hellmann, T.; Nejand, B. A.; Hu, H.; Abzieher, T.; Schackmar, F.; Hossain, I. M.; Fassl, P.; Mayer, T.; Jaegermann, W.; Lemmer, U.; Paetzold, U. W.
2021. ACS applied materials & interfaces, 13 (13), 15292–15304. doi:10.1021/acsami.1c01547

Bimolecular and Auger Recombination in Phase-Stable Perovskite Thin Films from Cryogenic to Room Temperature and Their Effect on the Amplified Spontaneous Emission Threshold
Allegro, I.; Li, Y.; Richards, B. S.; Paetzold, U. W.; Lemmer, U.; Howard, I. A.
2021. The journal of physical chemistry letters, 12 (9), 2293–2298. doi:10.1021/acs.jpclett.1c00099

Co-evaporation of CHNHPbI: How Growth Conditions Impact Phase Purity, Photostriction, and Intrinsic Stability
Gallet, T.; Poeira, R. G.; Lanzoni, E. M.; Abzieher, T.; Paetzold, U. W.; Redinger, A.
2021. ACS applied materials & interfaces, 13 (2), 2642–2653. doi:10.1021/acsami.0c19038

Numerical study on the angular light trapping of the energy yield of organic solar cells with an optical cavity
Lehr, J.; Mertens, A.; Liu, Q.; Martorell, J.; Paetzold, U. W.; Lemmer, U.
2020. Optics express, 28 (25), 37986–37995. doi:10.1364/OE.404969

Planarized and Compact Light Scattering Layers Based on Disordered Titania Nanopillars for Light Extraction in Organic Light Emitting Diodes
Donie, Y. J.; Theobald, D.; Moghadamzadeh, S.; Mertens, A.; Hossain, I. M.; Paetzold, U. W.; Lemmer, U.; Gomard, G.
2020. Advanced optical materials, 9 (14), Art.-Nr.: 2001610. doi:10.1002/adom.202001610

The Electronic Structure of MAPI‐Based Perovskite Solar Cells : Detailed Band Diagram Determination by Photoemission Spectroscopy Comparing Classical and Inverted Device Stacks
Hellmann, T.; Das, C.; Abzieher, T.; Schwenzer, J. A.; Wussler, M.; Dachauer, R.; Paetzold, U. W.; Jaegermann, W.; Mayer, T.
2020. Advanced energy materials, 10 (42), Art.Nr. 2002129. doi:10.1002/aenm.202002129

Impact of silver incorporation at the back contact of Kesterite solar cells on structural and device properties
Mwakyusa, L. P.; Leist, L.; Rinke, M.; Welle, A.; Paetzold, U. W.; Richards, B. S.; Hetterich, M.
2020. Thin solid films, 709, Art.-Nr. 138223. doi:10.1016/j.tsf.2020.138223

Inkjet-printed triple cation perovskite absorbers for mechanically flexible high performance X-ray detectors
Mescher, H.; Schackmar, F.; Eggers, H.; Abzieher, T.; Zuber, M.; Hamann, E.; Baumbach, T.; Richards, B. S.; Hernandez-Sosa, G.; Paetzold, U. W.; Lemmer, U.
2020. M. Fiederle, A. Burger & S. A. Payne (Hrsg.), Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXII : 24 August-4 September 2020, online only, United States / Arnold Burger, Stephen A. Payne, Michael Fiederle, 9, SPIE. doi:10.1117/12.2568063

Hot-embossed microcone-textured fluoropolymer as self-cleaning and anti-reflective photovoltaic module covers
Roslizar, A.; Dottermusch, S.; Schmager, R.; Guttmann, M.; Gomard, G.; Hölscher, H.; Richards, B. S.; Paetzold, U. W.
2020. Solar energy materials & solar cells, 214, 110582. doi:10.1016/j.solmat.2020.110582

2D/3D Heterostructure for Semitransparent Perovskite Solar Cells with Engineered Bandgap Enables Efficiencies Exceeding 25% in Four‐Terminal Tandems with Silicon and CIGS
Gharibzadeh, S.; Hossain, I. M.; Fassl, P.; Nejand, B. A.; Abzieher, T.; Schultes, M.; Ahlswede, E.; Jackson, P.; Powalla, M.; Schäfer, S.; Rienäcker, M.; Wietler, T.; Peibst, R.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2020. Advanced functional materials, 30 (19), Art. Nr.: 1909919. doi:10.1002/adfm.201909919

Energy yield of bifacial textured perovskite/silicon tandem photovoltaic modules
Lehr, J.; Langenhorst, M.; Schmager, R.; Gota, F.; Kirner, S.; Lemmer, U.; Richards, B. S.; Case, C.; Paetzold, U. W.
2020. Solar energy materials & solar cells, 208, 110367. doi:10.1016/j.solmat.2019.110367

Flexible Inkjet-Printed Triple Cation Perovskite X-ray Detectors
Mescher, H.; Schackmar, F.; Eggers, H.; Abzieher, T.; Zuber, M.; Hamann, E.; Baumbach, T.; Richards, B. S.; Hernandez-Sosa, G.; Paetzold, U. W.; Lemmer, U.
2020. ACS applied materials & interfaces, 12 (13), 15774–15784. doi:10.1021/acsami.9b14649

Nanostructured front electrodes for perovskite/c-Si tandem photovoltaics
Hossain, I. M.; Donie, Y. J.; Schmager, R.; Abdelkhalik, M. S.; Rienäcker, M.; Wietler, T. F.; Peibst, R.; Karabanov, A.; Schwenzer, J. A.; Moghadamzadeh, S.; Lemmer, U.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2020. Optics express, 28 (6), 8878–8897. doi:10.1364/OE.382253

Inkjet‐Printed Micrometer‐Thick Perovskite Solar Cells with Large Columnar Grains
Eggers, H.; Schackmar, F.; Abzieher, T.; Sun, Q.; Lemmer, U.; Vaynzof, Y.; Richards, B. S.; Hernandez-Sosa, G.; Paetzold, U. W.
2020. Advanced energy materials, 10 (6), Art. Nr.: 1903184. doi:10.1002/aenm.201903184

2D Surface Passivation in Semi-transparent Perovskite Top Solar Cells with Engineered Bandgap for Tandem Photovoltaics
Gharibzadeh, S.; Hossain, I. M.; Fassl, P.; Mertens, A.; Schafer, S.; Rienacker, M.; Wietler, T.; Peibst, R.; Richards, B. S.; Paetzold, U. W.
2020. 2020 47th IEEE Photovoltaic Specialists Conference (PVSC), 15 June - 21 August 2020, online, 1344–1345, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC45281.2020.9300952

Spontaneous Enhancement of the Power Output in Surface-Passivated Triple-Cation Perovskite Solar Cells
Moghadamzadeh, S.; Gharibzadeh, S.; Jakoby, M.; Khan, M. R.; Haghighirad, A. A.; Howard, I. A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2020. 2020 47th IEEE Photovoltaic Specialists Conference (PVSC), 15 June - 21 August 2020, online, 1217–1219, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC45281.2020.9300632

Triple-cation low-bandgap perovskite thin-films for high-efficiency four-terminal all-perovskite tandem solar cells
Moghadamzadeh, S.; Hossain, I. M.; Duong, T.; Gharibzadeh, S.; Abzieher, T.; Pham, H.; Hu, H.; Fassl, P.; Lemmer, U.; Nejand, B. A.; Paetzold, U. W.
2020. Journal of materials chemistry / A, 8 (46), 24608–24619. doi:10.1039/D0TA07005J

Progress on Perovskite Solar Cells with All-Inkjet-Printed Absorber and Extraction Layers
Eggers, H.; Schackmar, F.; Abzieher, T.; Sun, Q.; Vaynzof, Y.; Lemmer, U.; Richards, B. S.; Hernandez-Sosa, G.; Paetzold, U. W.
2020. Optical Devices and Materials for Solar Energy and Solid-state Lighting 2020, Washington, DC United States, 13–16 July 2020, Optica Publishing Group (OSA)

Energy Yield Advantages of Three-Terminal Perovskite-Silicon Tandem Photovoltaics
Gota, F.; Langenhorst, M.; Schmager, R.; Lehr, J.; Paetzold, U. W.
2020. Joule, 4 (11), 2387–2403. doi:10.1016/j.joule.2020.08.021

Chemical vapor deposited polymer layer for efficient passivation of planar perovskite solar cells
Malekshahi Byranvand, M.; Behboodi-Sadabad, F.; Alrhman Eliwi, A.; Trouillet, V.; Welle, A.; Ternes, S.; Hossain, I. M.; Khan, M. R.; Schwenzer, J. A.; Farooq, A.; Richards, B. S.; Lahann, J.; Paetzold, U. W.
2020. Journal of materials chemistry / A, 8 (38), 20122–20132. doi:10.1039/d0ta06646j

Toward Stable Perovskite Solar Cell Architectures: Robustness against Temperature Variations of Real-World Conditions
Schwenzer, J. A.; Rakocevic, L.; Abzieher, T.; Rueda-Delgado, D.; Moghadamzadeh, S.; Gharibzadeh, S.; Hossain, I. M.; Gehlhaar, R.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2020. IEEE journal of photovoltaics, 10 (3), 777–784. doi:10.1109/JPHOTOV.2020.2969785

High Efficiency Perovskite‐Silicon Tandem Solar Cells: Effect of Surface Coating versus Bulk Incorporation of 2D Perovskite
Duong, T.; Pham, H.; Kho, T. C.; Phang, P.; Fong, K. C.; Yan, D.; Yin, Y.; Peng, J.; Mahmud, M. A.; Gharibzadeh, S.; Nejand, B. A.; Hossain, I. M.; Khan, M. R.; Mozaffari, N.; Wu, Y.; Shen, H.; Zheng, J.; Mai, H.; Liang, W.; Samundsett, C.; Stocks, M.; McIntosh, K.; Andersson, G. G.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.; Ho-Ballie, A.; Liu, Y.; Macdonald, D.; Blakers, A.; Wong-Leung, J.; White, T.; Weber, K.; Catchpole, K.
2020. Advanced energy materials, 10 (9), Art. Nr.: 1903553. doi:10.1002/aenm.201903553

High-brightness Perovskite Light-emitting Diodes Using a Printable Silver Microflake Contact
Payandeh, M.; Ahmadi, V.; Arabpour Roghabadi, F.; Nazari, P.; Ansari, F.; Brenner, P.; Baeuerle, R.; jakoby, marius; Lemmer, U.; Howard, I. A.; Richards, B. S.; Paetzold, U. W.; Abdollahi Nejand, B.
2020. ACS applied materials & interfaces, 12 (10), 11428–11437. doi:10.1021/acsami.9b18527

Laminated Perovskite Photovoltaics: Enabling Novel Layer Combinations and Device Architectures
Schmager, R.; Roger, J.; Schwenzer, J. A.; Schackmar, F.; Abzieher, T.; Malekshahi Byranvand, M.; Abdollahi Nejand, B.; Worgull, M.; Richards, B. S.; Paetzold, U. W.
2020. Advanced functional materials, 30 (9), Art. Nr.: 1907481. doi:10.1002/adfm.201907481

Solution-processed and evaporated C interlayers for improved charge transport in perovskite photovoltaics
Rueda-Delgado, D.; Hossain, I. M.; Jakoby, M.; Schwenzer, J. A.; Abzieher, T.; Howard, I. A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2020. Organic electronics, 77, Article: 105526. doi:10.1016/j.orgel.2019.105526

Vacuum‐Assisted Growth of Low‐Bandgap Thin Films (FAMASnPbI) for All‐Perovskite Tandem Solar Cells
Abdollahi Nejand, B.; Hossain, I. M.; Jakoby, M.; Moghadamzadeh, S.; Abzieher, T.; Gharibzadeh, S.; Schwenzer, J. A.; Nazari, P.; Schackmar, F.; Hauschild, D.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2020. Advanced energy materials, 10 (5), Article: 1902583. doi:10.1002/aenm.201902583

Comment on “Room-Temperature Continuous-Wave Operation of Organometal Halide Perovskite Lasers”
Brenner, P.; Paetzold, U. W.; Turnbull, G. A.; Giebink, N. C.; Samuel, I. D. W.; Lemmer, U.; Howard, I. A.
2019. ACS nano, 13 (11), 12257–12258. doi:10.1021/acsnano.9b00133

CZTSe solar cells prepared by co-evaporation of multilayer Cu–Sn/Cu,Zn,Sn,Se/ZnSe/Cu,Zn,Sn,Se stacks
Mwakyusa, L. P.; Neuwirth, M.; Kogler, W.; Schnabel, T.; Ahlswede, E.; Paetzold, U. W.; Richards, B. S.; Hetterich, M.
2019. Physica scripta, 94 (10), Artk.Nr.: 105007. doi:10.1088/1402-4896/ab2b16

Photon recycling in nanopatterned perovskite thin-films for photovoltaic applications
Nanz, S.; Schmager, R.; Abebe, M. G.; Willig, C.; Wickberg, A.; Abass, A.; Gomard, G.; Wegener, M.; Paetzold, U. W.; Rockstuhl, C.
2019. APL photonics, 4 (7), Art.Nr.: 076104. doi:10.1063/1.5094579

Micro-cone textures for improved light in-coupling and retroreflection-inspired light trapping at the front surface of solar modules
Dottermusch, S.; Schmager, R.; Klampaftis, E.; Paetel, S.; Kiowski, O.; Ding, K.; Richards, B. S.; Paetzold, U. W.
2019. Progress in photovoltaics, 27 (7), 593–602. doi:10.1002/pip.3133

Coated and Printed Perovskites for Photovoltaic Applications
Howard, I. A.; Abzieher, T.; Hossain, I. M.; Eggers, H.; Schackmar, F.; Ternes, S.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2019. Advanced materials, 31 (26), Art.Nr. 1806702. doi:10.1002/adma.201806702

Perovskite Solar Cells: Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure
Gharibzadeh, S.; Abdollahi Nejand, B.; Jakoby, M.; Abzieher, T.; Hauschild, D.; Moghadamzadeh, S.; Schwenzer, J. A.; Brenner, P.; Schmager, R.; Haghighirad, A. A.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2019. Advanced energy materials, 9 (21), 1970079. doi:10.1002/aenm.201970079

Methodology of energy yield modelling of perovskite-based multi-junction photovoltaics
Schmager, R.; Langenhorst, M.; Lehr, J.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2019. Optics express, 27 (8), A507-A523. doi:10.1364/OE.27.00A507

Nanophotonic perovskite layers for enhanced current generation and mitigation of lead in perovskite solar cells
Schmager, R.; Gomard, G.; Richards, B. S.; Paetzold, U. W.
2019. Solar energy materials & solar cells, 192, 65–71. doi:10.1016/j.solmat.2018.12.012

Photovoltaic Devices: Electron‐Beam‐Evaporated Nickel Oxide Hole Transport Layers for Perovskite‐Based Photovoltaics
Abzieher, T.; Moghadamzadeh, S.; Schackmar, F.; Eggers, H.; Sutterlüti, F.; Farooq, A.; Kojda, D.; Habicht, K.; Schmager, R.; Mertens, A.; Azmi, R.; Klohr, L.; Schwenzer, J. A.; Hetterich, M.; Lemmer, U.; Richards, B. S.; Powalla, M.; Paetzold, U. W.
2019. Advanced energy materials, 9 (12), Art.-Nr.: 1970035. doi:10.1002/aenm.201970035

Continuous wave amplified spontaneous emission in phase-stable lead halide perovskites
Brenner, P.; Bar-On, O.; Jakoby, M.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Scheuer, J.; Lemmer, U.
2019. Nature Communications, 10 (1), Article-Nr.: 988. doi:10.1038/s41467-019-08929-0

Superhydrophobic self-cleaning cover sheets for photovoltaic modules
Roslizar, A.; Dottermusch, S.; Hölscher, H.; Paetzold, U. W.; Richards, B. S.
2019. Optical Devices and Materials for Solar Energy and Solid-state Lighting. In: Proceedings OSA Advanced Photonics Congress (AP) 2019 (IPR, Networks, NOMA, SPPCom, PVLED) ; 29 July–2 August 2019, Burlingame, California, United States, Art.-Nr.: PW3C.3, Optica Publishing Group (OSA). doi:10.1364/PVLED.2019.PW3C.3

Continuous wave amplified spontaneous emission in phase-stable triple cation lead halide perovskite thin films
Allegro, I.; Brenner, P.; Bar-On, O.; Jakoby, M.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Scheuer, J.; Lemmer, U.
2019. 2019 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC): Munich, International Congress Centre (ICM), Germany, 23-27 June 2019, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/CLEOE-EQEC.2019.8871688

Spontaneous Enhancement of the Stable Power Conversion Efficiency in Perovskite Solar Cells
Moghadamzadeh, S.; Hossain, I.; Jakoby, M.; Abdollahi Nejand, B.; Rueda-Delgado, D.; Schwenzer, J. A.; Gharibzadeh, S.; Abzieher, T.; Khan, M. R.; Haghighirad, A. A.; Howard, I. A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2019. Journal of materials chemistry / A, 8 (2), 670–682. doi:10.1039/C9TA09584E

Perovskite/Hole Transport Layer Interface Improvement by Solvent Engineering of Spiro-OMeTAD Precursor Solution
Taherianfard, H.; Kim, G.-W.; Ebadi, F.; Abzieher, T.; Choi, K.; Paetzold, U. W.; Richards, B. S.; Alrhman Eliwi, A.; Tajabadi, F.; Taghavinia, N.; Malekshahi Byranvand, M.
2019. ACS applied materials & interfaces, acsami.9b10828. doi:10.1021/acsami.9b10828

Sputtered Transparent Electrodes (IO:H and IZO) with Low Parasitic Near-Infrared Absorption for Perovskite-Cu(In,Ga)Se₂ Tandem Solar Cells
Schultes, M.; Helder, T.; Ahlswede, E.; Aygüler, M. F.; Jackson, P.; Paetel, S.; Schwenzer, J. A.; Hossain, I. M.; Paetzold, U. W.; Powalla, M.
2019. ACS applied energy materials, 2 (11), 7823–7831. doi:10.1021/acsaem.9b01224

Liquid glass for photovoltaics: multi-functional front cover glass for solar modules
Langenhorst, M.; Ritzer, D.; Kotz, F.; Risch, P.; Dottermusch, S.; Roslizar, A.; Schmager, R.; Richards, B. S.; Rapp, B. E.; Paetzold, U. W.
2019. ACS applied materials & interfaces, acsami.9b12896. doi:10.1021/acsami.9b12896

Drying Dynamics of Solution‐Processed Perovskite Thin‐Film Photovoltaics: In Situ Characterization, Modeling, and Process Control
Ternes, S.; Börnhorst, T.; Schwenzer, J. A.; Hossain, I. M.; Abzieher, T.; Mehlmann, W.; Lemmer, U.; Scharfer, P.; Schabel, W.; Richards, B. S.; Paetzold, U. W.
2019. Advanced energy materials, 9 (39), Article no: 1901581. doi:10.1002/aenm.201901581

Light coupling to quasi-guided modes in nanoimprinted perovskite solar cells
Schmager, R.; Hossain, I. M.; Schackmar, F. R.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2019. Solar energy materials & solar cells, 201, Art.-Nr.: 110080. doi:10.1016/j.solmat.2019.110080

Efficient All-Evaporated pin-Perovskite Solar Cells: A Promising Approach Toward Industrial Large-Scale Fabrication
Abzieher, T.; Schwenzer, J. A.; Moghadamzadeh, S.; Sutterluti, F.; Hossain, I. M.; Pfau, M.; Lotter, E.; Hetterich, M.; Richards, B. S.; Lemmer, U.; Powalla, M.; Paetzold, U. W.
2019. IEEE journal of photovoltaics, 9 (5), 1249–1257. doi:10.1109/JPHOTOV.2019.2920727

Continuous Wave Amplified Spontaneous Emission from Mixed Cation Perovskite devices
Brenner, P.; Bar-On, O.; Jakoby, M.; Allegro, I.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Scheuer, J.; Lemmer, U.
2019. Conference on Lasers and Electro-Optics, JTu2A.71, Optica Publishing Group (OSA). doi:10.1364/CLEO_AT.2019.JTu2A.71

Toward scalable perovskite-based multijunction solar modules
Jaysankar, M.; Paetel, S.; Ahlswede, E.; Paetzold, U. W.; Aernouts, T.; Gehlhaar, R.; Poortmans, J.
2019. Progress in photovoltaics, 27 (8), 733–738. doi:10.1002/pip.3153

Light Management: A Key Concept in High-Efficiency Perovskite/Silicon Tandem Photovoltaics
Jacobs, D. A.; Langenhorst, M.; Sahli, F.; Richards, B. S.; White, T. P.; Ballif, C.; Catchpole, K. R.; Paetzold, U. W.
2019. The journal of physical chemistry letters, 10 (11), 3159–3170. doi:10.1021/acs.jpclett.8b03721

Model for the Prediction of the Lifetime and Energy Yield of Methyl Ammonium Lead Iodide Perovskite Solar Cells at Elevated Temperatures
Bastos, J. P.; Uytterhoeven, G.; Qiu, W.; Paetzold, U. W.; Cheyns, D.; Surana, S.; Rivas, J.; Jaysankar, M.; Song, W.; Aernouts, T.; Poortmans, J.; Gehlhaar, R.
2019. ACS applied materials & interfaces, 11 (18), 16517–16526. doi:10.1021/acsami.9b00923

Record Open‐Circuit Voltage Wide‐Bandgap Perovskite Solar Cells Utilizing 2D/3D Perovskite Heterostructure
Gharibzadeh, S.; Abdollahi Nejand, B.; Jakoby, M.; Abzieher, T.; Hauschild, D.; Moghadamzadeh, S.; Schwenzer, J. A.; Brenner, P.; Schmager, R.; Haghighirad, A. A.; Weinhardt, L.; Lemmer, U.; Richards, B. S.; Howard, I. A.; Paetzold, U. W.
2019. Advanced energy materials, 9 (21), Article: 1803699. doi:10.1002/aenm.201803699

Influence of excitonic effects on charge carrier extraction in organic-inorganic perovskite solar cells
Lange, P.; Ruf, F.; Hossain, I. M.; Paetzold, U. W.; Schultes, M.; Ahlswede, E.; Kalt, H.; Hetterich, M.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Halbleiterphysik (2019), Regensburg, Deutschland, 31. März–5. April 2019

Electron-Beam-Evaporated Nickel Oxide Hole Transport Layers for Perovskite-Based Photovoltaics
Abzieher, T.; Moghadamzadeh, S.; Schackmar, F.; Eggers, H.; Sutterlüti, F.; Farooq, A.; Kojda, D.; Habicht, K.; Schmager, R.; Mertens, A.; Azmi, R.; Klohr, L.; Schwenzer, J. A.; Hetterich, M.; Lemmer, U.; Richards, B. S.; Powalla, M.; Paetzold, U. W.
2019. Advanced energy materials, 9 (12), Article no 1802995. doi:10.1002/aenm.201802995

Scalable Processing of Low-Temperature TiO₂ Nanoparticles for High-Efficiency Perovskite Solar Cells
Hossain, I. M.; Hudry, D.; Mathies, F.; Abzieher, T.; Moghadamzadeh, S.; Rueda-Delgado, D.; Schackmar, F.; Bruns, M.; Andriessen, R.; Aernouts, T.; Di Giacomo, F.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.; Hadipour, A.
2019. ACS applied energy materials, 2 (1), 47–58. doi:10.1021/acsaem.8b01567

Exposure-dependent refractive index of Nanoscribe IP-Dip photoresist layers
Dottermusch, S.; Busko, D.; Langenhorst, M.; Paetzold, U. W.; Richards, B. S.
2019. Optics letters, 44 (1), 29. doi:10.1364/OL.44.000029

Self-cleaning performance of superhydrophobic hot-embossed fluoropolymer films for photovoltaic modules
Roslizar, A.; Dottermusch, S.; Vüllers, F.; Kavalenka, M. N.; Guttmann, M.; Schneider, M.; Paetzold, U. W.; Hölscher, H.; Richards, B. S.; Klampaftis, E.
2019. Solar energy materials & solar cells, 189, 188–196. doi:10.1016/j.solmat.2018.09.017

Towards mass fabrication of hot embossed plant surface texture replicas as photovoltaic cover layers
Fritz, B.; Guttmann, M.; Casas Soler, P.; Roslizar, A.; Langenhorst, M.; Schneider, M.; Paetzold, U. W.; Richards, B. S.; Lemmer, U.; Huenig, R.; Gomard, G.
2018. SPIE Nanoscience + Engineering - Nanoengineering: Fabrication, Properties, Optics, and Devices XV, San Diego, United States, USA,19–23 August 2018. Ed.: B. Panchapakesan, 107300J-1–17, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2320555

Freeform surface invisibility cloaking of interconnection lines in thin-film photovoltaic modules
Langenhorst, M.; Schumann, M. F.; Paetel, S.; Schmager, R.; Lemmer, U.; Richards, B. S.; Wegener, M.; Paetzold, U. W.
2018. Solar energy materials & solar cells, 182, 294–301. doi:10.1016/j.solmat.2018.03.034

Stable Perovskite Solar Cell Architectures: Robustness against Temperature Variations Under Real World Conditions
Schwenzer, J. A.; Rakocevic, L.; Abzieher, T.; Rueda-Delgad, D.; Gehlhaar, R.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2018. 2018 IEEE 7th World Conference on Photovoltaic Energy Conversion (WCPEC), 2816–2819, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2018.8547781

Inkjet-Printed Triple Cation Perovskite Solar Cells
Mathies, F.; Eggers, H.; Richards, B. S.; Hernandez-Sosa, G.; Lemmer, U.; Paetzold, U. W.
2018. ACS Applied Energy Materials, 1 (5), 1834–1839. doi:10.1021/acsaem.8b00222

Temperature Variation-Induced Performance Decline of Perovskite Solar Cells
Schwenzer, J. A.; Rakocevic, L.; Gehlhaar, R.; Abzieher, T.; Gharibzadeh, S.; Moghadamzadeh, S.; Quintilla, A.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.
2018. ACS applied materials & interfaces, 10 (19), 16390–16399. doi:10.1021/acsami.8b01033

Towards nano-patterned perovskite layers for enhanced absorption in solar cells
Schmager, R.; Abzieher, T.; Brenner, P.; Assadillayev, A.; Lee, D. J.; Moghadamzadeh, S.; Hossain, I. M.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2018. 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018; Waikoloa Village; United States; 10 June 2018 through 15 June 2018, 15–17, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2018.8548029

Towards Inexpensive and Stable All-Evaporated Perovskite Solar Cells for Industrial Large-Scale Fabrication
Abzieher, T.; Schwenzer, J. A.; Sutterlüti, F.; Pfau, M.; Lotter, E.; Het-Terich, M.; Lemmer, U.; Powalla, M.; Paetzold, U. W.
2018. 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018; Waikoloa Village; United States; 10 June 2018 through 15 June 2018, 2803–2807, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2018.8547364

Inkjet Printed Perovskite Photovoltaics
Mathies, F.; Richards, B. S.; Hernandez-Sosa, G.; Lemmer, U.; Paetzold, U. W.
2018. 7th IEEE World Conference on Photovoltaic Energy Conversion, WCPEC 2018; Waikoloa Village; United States; 10 June 2018 through 15 June 2018, 1721–1723, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2018.8548265

Design and Color Flexibility for Inkjet-Printed Perovskite Photovoltaics
Schlisske, S.; Mathies, F.; Busko, D.; Strobel, N.; Rödlmeier, T.; Richards, B. S.; Lemmer, U.; Paetzold, U. W.; Hernandez-Sosa, G.; Klampaftis, E.
2018. ACS applied energy materials, 2 (1), 764–769. doi:10.1021/acsaem.8b01829

Energy yield of all thin-film perovskite/CIGS tandem solar modules
Langenhorst, M.; Sautter, B.; Schmager, R.; Lehr, J.; Ahlswede, E.; Powalla, M.; Lemmer, U.; Richards, B. S.; Paetzold, U. W.
2018. Progress in photovoltaics, 27 (4), 290–298. doi:10.1002/pip.3091

Energy Yield Modelling of Wide Bandgap Perovskite-Based Tandem Solar Modules
Langenhorst, M.; Lehr, J.; Sautter, B.; Schmager, R.; Lemmer, U.; Richards, B.; Paetzold, U. W.
2018. Optics for Solar Energy, Singapore, 5–8 November 2018, OW5C.3/1–2, Optica Publishing Group (OSA). doi:10.1364/OSE.2018.OW5C.3

Rigorous Wave-Optical Simulation of Photon Recycling in Nanostructured Perovskite Solar Cells
Nanz, S.; Schmager, R.; Abass, A.; Abebe, M. G.; Gomard, G.; Paetzold, U. W.; Rockstuhl, C.
2018. Optics in Solar Energy (SOLAR) - OSA Light, Energy and the Environment Congress, Singapore, 5 – 8 November 2018, OT5C.2, Optica Publishing Group (OSA). doi:10.1364/OSE.2018.OT5C.2

Impact of Fabrication Parameters on the Self-cleaning Performance of Hot-embossed Fluoropolymer Films for Photovoltaic Modules
Roslizar, A.; Dottermusch, S.; Vüllers, F.; Kavalenka, M. N.; Guttmann, M.; Schneider, M.; Klampaftis, E.; Paetzold, U. W.; Hölscher, H.; Richards, B. S.
2018. Optics for Solar Energy, Singapore, 5–8 November 2018, OM3D.4, Optica Publishing Group (OSA). doi:10.1364/OSE.2018.OM3D.4

Realization of Colors and Patterns for Inkjet-Printed Perovskite Solar Cells
Schlisske, S.; Mathies, F.; Busko, D.; Strobel, N.; Rödlmeier, T.; Lemmer, U.; Paetzold, U. W.; Hernandez-Sosa, G.; Klampaftis, E.; Richards, B. S.
2018. Optics and Photonics for Energy and the Environment, Singapore, 5–8 November 2018, JM4A.6, Optica Publishing Group (OSA). doi:10.1364/EE.2018.JM4A.6

Energy yield modelling of perovskite/silicon two-terminal tandem PV modules with flat and textured interfaces
Lehr, J.; Langenhorst, M.; Schmager, R.; Kirner, S.; Lemmer, U.; Richards, B. S.; Case, C.; Paetzold, U. W.
2018. Sustainable energy & fuels, 2018 (2), 2754–2761. doi:10.1039/C8SE00465J

Rigorous wave-optical treatment of photon recycling in thermodynamics of photovoltaics: Perovskite thin-film solar cells
Abebe, M. G.; Abass, A.; Gomard, G.; Zschiedrich, L.; Lemmer, U.; Richards, B. S.; Rockstuhl, C.; Paetzold, U. W.
2018. Physical review / B, 98 (7), Article: 075141. doi:10.1103/PhysRevB.98.075141

Perovskite–silicon tandem solar modules with optimised light harvesting
Jaysankar, M.; Filipič, M.; Zielinski, B.; Schmager, R.; Song, W.; Qiu, W.; Paetzold, U. W.; Aernouts, T.; Debucquoy, M.; Gehlhaar, R.; Poortmans, J.
2018. Energy & environmental science, 11 (6), 1489–1498. doi:10.1039/C8EE00237A

Spectral Dependence of Degradation under Ultraviolet Light in Perovskite Solar Cells
Farooq, A.; Hossain, I. M.; Moghadamzadeh, S.; Schwenzer, J. A.; Abzieher, T.; Richards, B. S.; Klampaftis, E.; Paetzold, U. W.
2018. ACS applied materials & interfaces, 10 (26), 21985–21990. doi:10.1021/acsami.8b03024

Light-Induced Degradation of Perovskite Solar Cells: The Influence of 4-Tert-Butyl Pyridine and Gold
Bastos, J. P.; Paetzold, U. W.; Gehlhaar, R.; Qiu, W.; Cheyns, D.; Surana, S.; Spampinato, V.; Aernouts, T.; Poortmans, J.
2018. Advanced energy materials, 8 (23), 1800554. doi:10.1002/aenm.201800554

CZTSe solar cells prepared by co-evaporation of Cu-Sn/CZTSe/ZnSe/CZTSe layer stacks
Mwakysa, L.; Neuwirth, M.; Paetzold, U.; Richards, B.; Kalt, H.; Hetterich, M.
2018. DPG-Frühjahrstagung der Sektion Kondensierte Materie gemeinsam mit der EPS (2018), Berlin, Deutschland, 11.–16. März 2018

Inkjet-printed perovskite distributed feedback lasers
Mathies, F.; Brenner, P.; Hernandez-Sosa, G.; Howard, I. A.; Paetzold, U. W.; Lemmer, U.
2018. Optics express, 26 (2), A144 - A152. doi:10.1364/OE.26.00A144

Disordered diffraction gratings tailored by shape-memory based wrinkling and their application to photovoltaics
Schauer, S.; Schmager, R.; Hünig, R.; Ding, K.; Paetzold, U. W.; Lemmer, U.; Worgull, M.; Hölscher, H.; Gomard, G.
2018. Optical materials express, 8 (1), 184–198. doi:10.1364/OME.8.000184

Cloaking of contact fingers on solar cells and OLEDs using free-form surfaces designed by coordinate transformations (Conference Presentation)
Schumann, M. F.; Langenhorst, M.; Smeets, M.; Ding, K.; Paetzold, U. W.; Fritz, B.; Eckstein, R.; Gomard, G.; Wegener, M.
2017. Metamaterials, Metadevices, and Metasystems 2017. Ed.: N. Engheta, Art. Nr. 1034314, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2272911

Optical Analysis of Planar Multicrystalline Perovskite Solar Cells
Eerden, M. van; Jaysankar, M.; Hadipour, A.; Merckx, T.; Schermer, J. J.; Aernouts, T.; Poortmans, J.; Paetzold, U. W.
2017. Advanced optical materials, 5 (18), Art. Nr.: 1700151. doi:10.1002/adom.201700151

Scalable and low cost fabrication methods for wavelength tunable solution processed perovskite distributed feedback lasers
Brenner, P.; Mathies, F.; Kapp, D.; Paetzold, U.; Quintilla, A.; Hernandez-Sosa, G.; Howard, I.; Lemmer, U.
2017. Proceedings of the European Conference on Lasers and Electro-Optics 2017, Munich, Germany, 25th - 29th June 2017, Art.Nr. JSV_3_2, Optica Publishing Group (OSA)

Scalable perovskite/CIGS thin-film solar module with power conversion efficiency of 17.8%
Paetzold, U. W.; Jaysankar, M.; Gehlhaar, R.; Ahlswede, E.; Paetel, S.; Qiu, W.; Bastos, J.; Rakocevic, L.; Richards, B. S.; Aernouts, T.; Powalla, M.; Poortmans, J.
2017. Journal of materials chemistry / A, 5 (20), 9897–9906. doi:10.1039/C7TA01651D

Performance of silicon solar cells with cloaked contact fingers under realistic conditions
Langenhorst, M.; Schumann, M. F.; Schmager, R.; Lehr, J.; Lemmer, U.; Wegener, M.; Richards, B.; Paetzold, U. W.
2017. Optical Nanostructures and Advanced Materials for Photovoltaics, Boulder, United States, 6th - 9th November 2017, Optica Publishing Group (OSA). doi:10.1364/PV.2017.PW2A.3

Thermodynamics of photon recycling in four terminal perovskite/Si tandem solar cells
Abebe, M. G.; Gomard, G.; Zschiedrich, L.; Rockstuhl, C.; Paetzold, U. W.; Abass, A.
2017. Optical Nanostructures and Advanced Materials for Photovoltaics, Boulder, United States, 6th - 9th November 2017, Optica Publishing Group (OSA). doi:10.1364/PV.2017.PM4A.2

Additive-Assisted Crystallization Dynamics in Two-Step Fabrication of Perovskite Solar Cells
Abzieher, T.; Mathies, F.; Hetterich, M.; Welle, A.; Gerthsen, D.; Lemmer, U.; Paetzold, U. W.; Powalla, M.
2017. Physica status solidi / A, 214 (12), Art.Nr. 1700509. doi:10.1002/pssa.201700509

Triple cation mixed-halide perovskites for tunable lasers
Brenner, P.; Glöckler, T.; Rueda-Delgado, D.; Abzieher, T.; Jakoby, M.; Richards, B. S.; Paetzold, U. W.; Howard, I. A.; Lemmer, U.
2017. Optical materials express, 7 (11), 4082–4094. doi:10.1364/OME.7.004082

Texture of the Viola Flower for Light Harvesting in Photovoltaics
Schmager, R.; Fritz, B.; Hünig, R.; Ding, K.; Lemmer, U.; Richards, B. S.; Gomard, G.; Paetzold, U. W.
2017. ACS photonics, 2687–2692. doi:10.1021/acsphotonics.7b01153

Broadening of Light Coupling to Waveguide Modes in Solar Cells by Disordered Grating Texturess
Bittkau, K.; Hoffmann, A.; Paetzold, U. W.; Carius, R.
2017. Applied Sciences, 7 (7), Art. Nr. 725. doi:10.3390/app7070725

All-Angle Invisibility Cloaking of Contact Fingers on Solar Cells by Refractive Free-Form Surfaces
Schumann, M. F.; Langenhorst, M.; Smeets, M.; Ding, K.; Paetzold, U. W.; Wegener, M.
2017. Advanced optical materials, 5 (17), Art. Nr. 1700164. doi:10.1002/adom.201700164

Low-cost electrodes for stable perovskite solar cells
Bastos, J. P.; Manghooli, S.; Jaysankar, M.; Tait, J. G.; Qiu, W.; Gehlhaar, R.; De Volder, M.; Uytterhoeven, G.; Poortmans, J.; Paetzold, U. W.
2017. Applied physics letters, 110 (23), Art. Nr. 233902. doi:10.1063/1.4984284

Infiltrated photonic crystals for light-trapping in CuInSe₂ nanocrystal-based solar cells
Dottermusch, S.; Quintilla, A.; Gomard, G.; Roslizar, A.; Voggu, V. R.; Simonsen, B. A.; Park, J. S.; Pernik, D. R.; Korgel, B. A.; Paetzold, U. W.; Richards, B. S.
2017. Optics express, 25 (12), A502-A514. doi:10.1364/OE.25.00A502

Four-Terminal Perovskite/Silicon Multijunction Solar Modules
Jaysankar, M.; Qiu, W.; Eerden, M. van; Aernouts, T.; Gehlhaar, R.; Debucquoy, M.; Paetzold, U. W.; Poortmans, J.
2017. Advanced energy materials, 7 (15), Art. Nr. 1602807. doi:10.1002/aenm.201602807

Analysis of parasitic losses due to intermediate reflectors in silicon tandem solar cells
Hoffmann, A.; Lambertz, A.; Haas, S.; Merzhanova, T.; Paetzold, U. W.; Meier, M.; Bittkau, K.
2017. Solar energy materials & solar cells, 163 (Apr.), 185–190. doi:10.1016/j.solmat.2017.01.010

Simulation of Absorption Enhancement and Optical Modes in CIS Nanocrystal Embedded Photonic Crystal Designs
Dottermusch, S.; Quintilla, A.; Gomard, G.; Paetzold, U. W.; Richards, B. S.
2016. Light, Energy and the Environment Congress, November 14-17, 2016, Leipzig, Germany, PTu2B.3, Optica Publishing Group (OSA). doi:10.1364/PV.2016.PTu2B.3

Direct Laser Written Nanophotonics for Embedded CIS Nanocrystal Solar Cells
Dottermusch, S.; Quintilla, A.; Gomard, G.; Pernik, D.; Reddy, V.; Korgel, B.; Paetzold, U. W.; Richards, B. S.
2016. Light, Energy and the Environment Congress, November 14-17, 2016, Leipzig, Germany, PW3B.2, Optica Publishing Group (OSA). doi:10.1364/PV.2016.PW3B.2

Optical Loss Analyses and Energy Yield Modelling of Perovskite/silicon Multijunction Solar Cells
Paetzold, U. W.; Gehlhaar, R.; Tait, J.; Qiu, W.; Bastos, J.; Debucquoy, M.; Jaysankar, M.; Aernouts, T.; Poortmans, J.
2016. Light, Energy and the Environment : Optics for Solar Energy, Leipzig, 14. - 17. November 2016, SoW2C.4/1–3, Optica Publishing Group (OSA). doi:10.1364/OSE.2016.SoW2C.4

Multipass inkjet printed planar methylammonium lead iodide perovskite solar cells
Mathies, F.; Abzieher, T.; Hochstuhl, A.; Glaser, K.; Colsmann, A.; Paetzold, U. W.; Hernandez-Sosa, G.; Lemmer, U.; Quintilla, A.
2016. Journal of materials chemistry / A, 4 (48), 19207–19213. doi:10.1039/C6TA07972E

Beyond Bulk Lifetimes: Insights into Lead Halide Perovskite Films from Time-Resolved Photoluminescence
Staub, F.; Hempel, H.; Hebig, J.-C.; Mock, J.; Paetzold, U. W.; Rau, U.; Unold, T.; Kirchartz, T.
2016. Physical review applied, 6 (4), 044017. doi:10.1103/PhysRevApplied.6.044017

Nanophotonic Electrodes for Perovskite Thin-film Solar Cells
Paetzold, U. W.; Qiu, W.; Gehlhaar, R.; Cheyns, D.; Poortmans, J.
2016. Optical Nanostructures and Advanced Materials for Photovoltaics 2016, Leipzig, 14.-17. November 2016, PM4B.3, Optica Publishing Group (OSA). doi:10.1364/PV.2016.PM4B.3

Efficient post passivation light-management concepts for silicon heterojunction solar cells
Smeets, M.; Meier, M.; Lentz, F.; Ding, K.; Paetzold, U. W.; Bittkau, K.
2016. 2016 IEEE 43rd Photovoltaic Specialists Conference (PVSC), Portland, OR, June 5-10 2016, 2975–2979, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2016.7750207

Nanophotonic Light Management for Silicon Heterojunction Solar Cells with Planar Passivation Layers - Implementation and Material Perspective
Smeets, M.; Ermes, M.; Pomaska, M.; Ding, K.; Paetzold, U. W.; Bittkau, K.
2016. Optical Nanostructures and Advanced Materials for Photovoltaics 2016, Leipzig, 14.-17. November 2016, PTh3A.5, Optica Publishing Group (OSA). doi:10.1364/PV.2016.PTh3A.5

Post passivation light trapping back contacts for silicon heterojunction solar cells
Smeets, M.; Bittkau, K.; Lentz, F.; Richter, A.; Ding, K.; Carius, R.; Rau, U.; Paetzold, U. W.
2016. Nanoscale, 8 (44), 18726–18733. doi:10.1039/C6NR04960E

Highly Reflective Dielectric Back Reflector for Improved Efficiency of Tandem Thin-Film Solar Cells
Barugkin, C.; Paetzold, U. W.; Catchpole, K. R.; Basch, A.; Carius, R.
2016. International journal of photoenergy, 2016, Art. Nr.: 7390974. doi:10.1155/2016/7390974

Highly stable solution processed metal-halide perovskite lasers on nanoimprinted distributed feedback structures
Brenner, P.; Stulz, M.; Kapp, D.; Abzieher, T.; Paetzold, U. W.; Quintilla, A.; Howard, I. A.; Kalt, H.; Lemmer, U.
2016. Applied physics letters, 109 (14), 141106. doi:10.1063/1.4963893

Crystallisation dynamics in wide-bandgap perovskite films
Jaysankar, M.; Qiu, W.; Bastos, J.; Tait, J. G.; Debucquoy, M.; Paetzold, U. W.; Cheynsa, D.; Poortmans, J.
2016. Journal of materials chemistry / A, 4 (27), 10524–10531. doi:10.1039/c6ta02769e

Cloaked contact grids on solar cells by coordinate transformations: designs and prototypes
Schumann, M. F.; Wiesendanger, S.; Goldschmidt, J. C.; Bläsi, B.; Bittkau, K.; Paetzold, U. W.; Sprafke, A.; Wehrspohn, R. B.; Rockstuhl, C.; Wegener, M.
2015. Optica, 2, 850–853. doi:10.1364/OPTICA.2.000850

Broadening of Light Coupling to Waveguide Modes in Solar Cells by Disordered Grating Textures
Bittkau, K.; Hoffmann, A.; Paetzold, U. W.; Carius, R.
2014. Optical Nanostructures and Advanced Materials for Photovoltaics 2016, Leipzig, Germany, 14-17 November 2016, Art.Nr. PTh2A.5, Optica Publishing Group (OSA). doi:10.1364/PV.2016.PTh2A.5