The Importance of Semiconductor Miscibility for the Formation of Light‐Harvesting Polymer:Fullerene Nanoparticle Dispersions
Fischer, K.; Marlow, P.; Bitsch, K.; Sprau, C.; Colsmann, A.
2024. Solar RRL, 8 (9), Art.-Nr.: 2400132. doi:10.1002/solr.202400132

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

Disulfide‐Bridged Dynamic Covalent Triazine Polymer Thin Films by Interface Polymerization: High Refractive Index with Excellent Optical Transparency
Begum, S.; Kutonova, K.; Mauri, A.; Koenig, M.; Chan, K. C.; Sprau, C.; Dolle, C.; Trouillet, V.; Hassan, Z.; Leonhard, T.; Heißler, S.; Eggeler, Y. M.; Wenzel, W.; Kozlowska, M.; Bräse, S.
2024. Advanced Functional Materials, 34 (20), Art.-Nr.: 2303929. doi:10.1002/adfm.202303929

Iodine‐Stabilized Organic Nanoparticle Dispersions for the Fabrication of 10% Efficient Non‐Fullerene Solar Cells
Manger, F.; Fischer, K.; Marlow, P.; Röhm, H.; Sprau, C.; Colsmann, A.
2023. Advanced Energy Materials, Art.-Nr.: 2202820. doi:10.1002/aenm.202202820

Eco-friendly fabrication of organic solar cells: electrostatic stabilization of surfactant-free organic nanoparticle dispersions by illumination
Marlow, P.; Manger, F.; Fischer, K.; Sprau, C.; Colsmann, A.
2022. Nanoscale, 14 (14), 5569–5578. doi:10.1039/d2nr00095d

Nanoporous Polymer Reflectors for Organic Solar Cells
Yu, S.; Guo, B.; Johnsen, S.; Wiegand, G.; Lemmer, U.; Guo, X.; Zhang, M.; Li, Y.; Sprau, C.; Hölscher, H.; Colsmann, A.; Gomard, G.
2022. Energy technology, 10 (2), Art.-Nr. 2100676. doi:10.1002/ente.202100676

Microfluidics: Continuous‐Flow Synthesis of Nanoparticle Dispersions for the Fabrication of Organic Solar Cells
Fischer, K.; Marlow, P.; Manger, F.; Sprau, C.; Colsmann, A.
2022. Advanced Materials Technologies, 7 (11), Art.-Nr. 2200297. doi:10.1002/admt.202200297

Organic Solar Cells: Electrostatic Stabilization of Organic Semiconductor Nanoparticle Dispersions by Electrical Doping
Manger, F.; Marlow, P.; Fischer, K.; Nöller, M.; Sprau, C.; Colsmann, A.
2022. Advanced Functional Materials, 32 (33), Art.-Nr.: 2202566. doi:10.1002/adfm.202202566

Highly Selective Cu Staining of Sulfur-Containing Polymers Facilitates 3D Nanomorphology Reconstruction of Polymer:Fullerene Blends in Organic Solar Cells by FIB-SEM Tomography
Li, Y.; Čalkovský, M.; Müller, E.; Sprau, C.; Colsmann, A.; Gerthsen, D.
2021. ACS applied materials & interfaces, 13 (44), 53252–53261. doi:10.1021/acsami.1c16728

Green Inks for the Fabrication of Organic Solar Cells: A Case Study on PBDTTPD:PCBM Bulk Heterojunctions
Sprau, C.; Cruz, A. M.; Bautista, L.; Molina, L.; Wagner, M.; Chochos, C. L.; Della Pirriera, M.; Colsmann, A.
2021. Advanced energy & sustainability research, 2 (9), Art.-Nr. 2100043. doi:10.1002/aesr.202100043

Revisiting Solvent Additives for the Fabrication of Polymer:Fullerene Solar Cells: Exploring a Series of Benzaldehydes
Sprau, C.; Kattenbusch, J.; Li, Y.; Müller, E.; Gerthsen, D.; Berger, R.; Michels, J. J.; Colsmann, A.
2021. Solar RRL, 5 (9), Art.-Nr. 2100238. doi:10.1002/solr.202100238

Shining Light on Organic Solar Cells
Colsmann, A.; Röhm, H.; Sprau, C.
2020. Solar RRL, 4 (6), Art.Nr. 2000015. doi:10.1002/solr.202000015

Imaging of polymer:fullerene bulk-heterojunctions in a scanning electron microscope: methodology aspects and nanomorphology by correlative SEM and STEM
Li, Y.; Müller, E.; Sprau, C.; Colsmann, A.; Gerthsen, D.
2020. Advanced structural and chemical imaging, 6 (1), 2. doi:10.1186/s40679-020-00069-4

Mapping structure and morphology of amorphous organic thin films by 4D-STEM pair distribution function analysis
Mu, X.; Mazilkin, A. A.; Sprau, C.; Colsmann, A.; Kübel, C.
2019. Microscopy, 68 (4), 301–309. doi:10.1093/jmicro/dfz015

Thermal Stabilization of the Bulk-Heterojunction Morphology in Polymer:Fullerene Solar Cells Using a Bisazide Cross-Linker
Landerer, D.; Sprau, C.; Baumann, D.; Pingel, P.; Leonhard, T.; Zimmermann, D.; Chochos, C. L.; Krüger, H.; Janietz, S.; Colsmann, A.
2019. Solar RRL, 3 (2), 1800266. doi:10.1002/solr.201800266

Herstellung organischer Solarzellen aus halogenfreien Lösungsmitteln: Struktur-Eigenschafts-Beziehungen. PhD dissertation
Sprau, C.
2019. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000096635

Synthesis of D- π -A- π type benzodithiophene-quinoxaline copolymers by direct arylation and their application in organic solar cells
Zimmermann, D.; Sprau, C.; Schröder, J.; Gregoriou, V. G.; Avgeropoulos, A.; Chochos, C. L.; Colsmann, A.; Janietz, S.; Krüger, H.
2018. Journal of polymer science / A, 56 (13), 1457–1467. doi:10.1002/pola.29027

Rapid experimental optimization of organic tandem solar cells: 200 absorber layer thickness combinations on a 4×4 cm2 substrate
Glaser, K.; Beu, P.; Bahro, D.; Sprau, C.; Pütz, A.; Colsmann, A.
2018. Journal of materials chemistry / A, 6 (19), 9257–9263. doi:10.1039/c8ta00590g

Effects of alkyl side chains positioning and presence of fused aromatic units in the backbone of low-bandgap diketopyrrolopyrrole copolymers on the optoelectronic properties of organic solar cells
Chochos, C. L.; Katsouras, A.; Drakopoulou, S.; Miskaki, C.; Krassas, M.; Tzourmpakis, P.; Kakavelakis, G.; Sprau, C.; Colsmann, A.; Squeo, B. M.; Gregoriou, V. G.; Kymakis, E.; Avgeropoulos, A.
2018. Journal of polymer science / A, 56 (1), 138–146. doi:10.1002/pola.28901

Rational In Silico Design of an Organic Semiconductor with Improved Electron Mobility
Friederich, P.; Gómez, V.; Sprau, C.; Meded, V.; Strunk, T.; Jenne, M.; Magri, A.; Symalla, F.; Colsmann, A.; Ruben, M.; Wenzel, W.
2017. Advanced materials, 29 (43), Art.Nr. 1703505. doi:10.1002/adma.201703505

Beyond Donor-Acceptor (D-A) Approach : Structure-Optoelectronic Properties-Organic Photovoltaic Performance Correlation in New D-A₁-D-A₂ Low-Bandgap Conjugated Polymers
Chochos, C. L.; Drakopoulou, S.; Katsouras, A.; Squeo, B. M.; Sprau, C.; Colsmann, A.; Gregoriou, V. G.; Cando, A.-P.; Allard, S.; Scherf, U.; Gasparini, N.; Kazerouni, N.; Ameri, T.; Brabec, C. J.; Avgeropoulos, A.
2017. Macromolecular rapid communications, 38 (7), Art. Nr. 1600720. doi:10.1002/marc.201600720

Seeing Down to the Bottom: Nondestructive Inspection of All-Polymer Solar Cells by Kelvin Probe Force Microscopy
Cui, Z.; Sun, J.; Landerer, D.; Sprau, C.; Thelen, R.; Colsmann, A.; Hölscher, H.; Ma, W.; Chi, L.
2016. Advanced materials interfaces, 3 (18), Art.Nr.:1600446. doi:10.1002/admi.201600446

Highly efficient polymer solar cells cast from non-halogenated xylene/anisaldehyde solution
Sprau, C.; Buss, F.; Wagner, M.; Landerer, D.; Koppitz, M.; Schulz, A.; Bahro, D.; Schabel, W.; Scharfer, P.; Colsmann, A.
2015. Energy and Environmental Science, 8 (9), 2744–2752. doi:10.1039/c5ee01917f

Spatial mapping of photocurrents in organic solar cells comprising wedge-shaped absorber layers for an efficient material screening
Nickel, F.; Sprau, C.; Klein, M. F. G.; Kapetana, P.; Christ, N.; Liu, X.; Klinkhammer, S.; Lemmer, U.; Colsmann, A.
2012. Solar Energy Materials and Solar Cells, 104, 18–22. doi:10.1016/j.solmat.2012.04.026