Publication list

Doping Strategies for Tetrasubstituted Paracyclophane Hole Transport Layers in Perovskite Solar Cells
Schulz, A. D.; Otterbach, S. A.; Tappert, H.; Elsing, D.; Wenzel, W.; Kozlowska, M.; Bräse, S.; Colsmann, A.; Röhm, H.
2024. Advanced Functional Materials, 34 (47), Art.-Nr.: 2402110. doi:10.1002/adfm.202402110

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

Photocatalytic Hydrogen Generation in Surfactant‐Free, Aqueous Organic Nanoparticle Dispersions
Bruder, J.; Fischer, K.; Armleder, J.; Müller, E.; Da Roit, N.; Behrens, S.; Peng, Y.; Wenzel, W.; Röhm, H.; Colsmann, A.
2024. Small, 2406236. doi:10.1002/smll.202406236

High‐Throughput Screening of High‐Entropy Fluorite‐Type Oxides as Potential Candidates for Photovoltaic Applications
Kumbhakar, M.; Khandelwal, A.; Jha, S. K.; Kante, M. V.; Keßler, P.; Lemmer, U.; Hahn, H.; Aghassi-Hagmann, J.; Colsmann, A.; Breitung, B.; Velasco, L.; Schweidler, S.
2023. Advanced Energy Materials, 13 (24), Art.-Nr.: 2204337. doi:10.1002/aenm.202204337

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

Influence of chromophore spacing on the stability and efficiency of host-free sky-blue dendrimer organic light emitting diodes
Graf von Reventlow, L.; Koodalingam, M.; Siebert, C.; Marlow, P.; Puttock, E. V.; Burn, P. L.; Colsmann, A.
2022. Journal of Materials Chemistry C, 10 (21), 8278–8287. doi:10.1039/d2tc00602b

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

Ferroelectricity and Crystal Phases in Mixed‐Cation Lead Iodide Perovskite Solar Cells
Schulz, A. D.; Schmitt, M. O.; Braun, M.; Colsmann, A.; Hinterstein, M.; Röhm, H.
2022. Solar RRL, 6 (12), Art.-Nr.: 2200808. doi:10.1002/solr.202200808

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

Evolution of ferroelectric domains in methylammonium lead iodide and correlation with the performance of perovskite solar cells
Leonhard, T.; Röhm, H.; Altermann, F. J.; Hoffmann, M. J.; Colsmann, A.
2021. Journal of materials chemistry / A, 9 (38), 21845–21858. doi:10.1039/d1ta06290e

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

Pyridine End-Capped Polymer to Stabilize Organic Nanoparticle Dispersions for Solar Cell Fabrication through Reversible Pyridinium Salt Formation
Saxena, S.; Marlow, P.; Subbiah, J.; Colsmann, A.; Wong, W. W. H.; Jones, D. J.
2021. ACS Applied Materials and Interfaces, 13 (30), 36044–36052. doi:10.1021/acsami.1c07219

Molecular Chromophore-DNA Architectures With Fullerenes: Optical Properties and Solar Cells
Müller, S.; Manger, F.; Graf von Reventlow, L.; Colsmann, A.; Wagenknecht, H.-A.
2021. Frontiers in Chemistry, 9, Art.-Nr.: 645006. doi:10.3389/fchem.2021.645006

White Dendrimer Organic Light Emitting Diodes: Exciton Formation and Transfer
Reventlow, L. G. von; Jiang, W.; Stoltzfus, D. M.; Russell, S. M.; Burn, P. L.; Colsmann, A.
2020. Advanced optical materials, 8 (24), Art.-Nr.: 2001289. doi:10.1002/adom.202001289

Thiol-yne crosslinked triarylamine hole transport layers for solution-processable organic light-emitting diodes
Kutonova, K.; Ebenhoch, B.; Graf Von Reventlow, L.; Heißler, S.; Rothmann, L.; Bräse, S.; Colsmann, A.
2020. Journal of materials chemistry / C, 8 (46), 16498–16505. doi:10.1039/d0tc03514a

Stability of Organic and Hybrid Perovskite Solar Cells
Colsmann, A.; Röhm, H.
2020. Energy technology, 8 (12), Art.-Nr.: 2000912. doi:10.1002/ente.202000912

Comment on "ferroelectricity-free lead halide perovskites" by A. Gomez, Q. Wang, A. R. Goni, M. Campoy-Quiles and A. Abate, Energy Environ. Sci., 2019, 12, 2537
Colsmann, A.; Leonhard, T.; Schulz, A. D.; Röhm, H.
2020. Energy & environmental science, 13 (6), 1888–1891. doi:10.1039/c9ee04159a

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

Ferroelectric Poling of Methylammonium Lead Iodide Thin Films
Röhm, H.; Leonhard, T.; Hoffmann, M. J.; Colsmann, A.
2020. Advanced functional materials, 30 (5), Art.Nr. 908657. doi:10.1002/adfm.201908657

Ferroelectricity and stability measurements in perovskite solar cells
Colsmann, A.; Röhm, H.
2020. JPhys energy, 2 (1), Art.-Nr.: 011003. doi:10.1088/2515-7655/ab5b71

Consensus statement for stability assessment and reporting for perovskite photovoltaics based on ISOS procedures
Khenkin, M. V.; Katz, E. A.; Abate, A.; Bardizza, G.; Berry, J. J.; Brabec, C.; Brunetti, F.; Bulović, V.; Burlingame, Q.; Di Carlo, A.; Cheacharoen, R.; Cheng, Y.-B.; Colsmann, A.; Cros, S.; Domanski, K.; Dusza, M.; Fell, C. J.; Forrest, S. R.; Galagan, Y.; Di Girolamo, D.; Grätzel, M.; Hagfeldt, A.; Hauff, E. von; Hoppe, H.; Kettle, J.; Köbler, H.; Leite, M. S.; Liu, S.; Loo, Y.-L.; Luther, J. M.; Ma, C.-Q.; Madsen, M.; Manceau, M.; Matheron, M.; McGehee, M.; Meitzner, R.; Nazeeruddin, M. K.; Nogueira, A. F.; Odabaşı, Ç.; Osherov, A.; Park, N.-G.; Reese, M. O.; De Rossi, F.; Saliba, M.; Schubert, U. S.; Snaith, H. J.; Stranks, S. D.; Tress, W.; Troshin, P. A.; Turkovic, V.; Veenstra, S.; Visoly-Fisher, I.; Walsh, A.; Watson, T.; Xie, H.; Yıldırım, R.; Zakeeruddin, S. M.; Zhu, K.; Lira-Cantu, M.
2020. Nature energy, 5 (1), 35–49. doi:10.1038/s41560-019-0529-5

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

Acceptor Derivatization of the 4CzIPN TADF System: Color Tuning and Introduction of Functional Groups
Hundemer, F.; Reventlow, L. G. von; Leonhardt, C.; Polamo, M.; Nieger, M.; Seifermann, S. M.; Colsmann, A.; Bräse, S.
2019. ChemistryOpen, 8 (12), 1413–1420. doi:10.1002/open.201900141

Wissenschaftspreis des Stifterverbandes - Erwin-Schrödinger-Preis 2019: Geheimnis der Perowskit-Solarzellen gelüftet
Colsmann, A.; Röhm, H.; Leonhard, T.; Schulz, A. D.; Wagner, S.; Hoffmann, M. J.
2019. doi:10.5445/DIVA/2019-827

On the ferroelectricity of CH3NH3PbI3 perovskites
Schulz, A. D.; Röhm, H.; Leonhard, T.; Wagner, S.; Hoffmann, M. J.; Colsmann, A.
2019. Nature materials, 18 (10), 1050. doi:10.1038/s41563-019-0480-7

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

Probing the Microstructure of Methylammonium Lead Iodide Perovskite Solar Cells
Leonhard, T.; Schulz, A. D.; Röhm, H.; Wagner, S.; Altermann, F. J.; Rheinheimer, W.; Hoffmann, M. J.; Colsmann, A.
2019. Energy technology, 7 (3), Art. Nr.: 1800989. doi:10.1002/ente.201800989

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

Scale-Bridging Models for Organic Semiconductors
Wenzel, W.; Friederich, P.; Symalla, F.; Fediai, A.; Meded, V.; Colsmann, A.; Ruben, M.
2019. Proceedings of the nanoGe Fall Meeting 2019, Presentation 010, Fundació Scito. doi:10.29363/NANOGE.NFM.2019.010

Star-shaped triarylamines – One-step metal-free synthesis and optoelectronic properties
Meli, A.; Ebenhoch, B.; Kutonova, K.; Bihlmeier, A.; Feyrer, A.; Deck, E.; Breher, F.; Nieger, M.; Colsmann, A.; Bräse, S.
2019. Synthetic metals, 256, 116138. doi:10.1016/j.synthmet.2019.116138

Film formation, microstructure and ferroelectricity of MAPbI3 light-harvesting layers
Röhm, H.; Leonhard, T.; Schulz, A.; Wagner, S.; Hoffmann, M.; Colsmann, A.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Chemische Physik und Polymerphysik (2019), Regensburg, Germany, March 31–April 5, 2019

Ferroelectric Properties of Perovskite Thin Films and Their Implications for Solar Energy Conversion
Röhm, H.; Leonhard, T.; Schulz, A. D.; Wagner, S.; Hoffmann, M. J.; Colsmann, A.
2019. Advanced materials, Art.Nr.: 1806661. doi:10.1002/adma.201806661

Organic tandem solar cells: How impedance analyses can improve the quality of external quantum efficiency measurements
Bahro, D.; Wilck, M.; Mertens, A.; Ebenhoch, B.; Hauff, E. von; Colsmann, A.
2018. Progress in photovoltaics, 26 (10), 763–777. doi:10.1002/pip.3015

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

On the importance of ferroelectric domains for the performance of perovskite solar cells
Rossi, D.; Pecchia, A.; Auf der Maur, M.; Leonhard, T.; Röhm, H.; Hoffmann, M. J.; Colsmann, A.; Carlo, A. D.
2018. Nano energy, 48, 20–26. doi:10.1016/j.nanoen.2018.02.049

Probing the microstructure of methylammonium lead iodide solar cells
Leonhard, T.; Röhm, H.; Schulz, A.; Wagner, S.; Altermann, F.; Rheinheimer, W.; Hoffmann, M. J.; Colsmann, A.
2018. Light, Energy and the Environment 2018 (E2, FTS, HISE, SOLAR, SSL). Proceedings., Art.-Nr.: OM2D.6, Optica Publishing Group (OSA). doi:10.1364/OSE.2018.OM2D.6

Hot-Pressed Hybrid Electrodes Comprising Silver Nanowires and Conductive Polymers for Mechanically Robust, All-Doctor-Bladed Semitransparent Organic Solar Cells
Koppitz, M.; Wegner, E.; Rödlmeier, T.; Colsmann, A.
2018. Energy technology, 6 (7), 1275–1282. doi:10.1002/ente.201700960

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

An add-on organic green-to-blue photon-upconversion layer for organic light emitting diodes
Reventlow, L. G. von; Bremer, M.; Ebenhoch, B.; Gerken, M.; Schmidt, T. W.; Colsmann, A.
2018. Journal of materials chemistry / C, 6 (15), 3845–3848. doi:10.1039/c7tc05649d

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

Enhanced thermal stability of organic solar cells comprising ternary D-D-A bulk-heterojunctions
Landerer, D.; Mertens, A.; Freis, D.; Droll, R.; Leonhard, T.; Schulz, A. D.; Bahro, D.; Colsmann, A.
2017. npj flexible electronics, 1 (1), Art.Nr. 11. doi:10.1038/s41528-017-0011-z

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

Relating Structure to Efficiency in Surfactant-Free Polymer/Fullerene Nanoparticle-Based Organic Solar Cells
Gärtner, S.; Clulow, A. J.; Howard, I. A.; Gilbert, E. P.; Burn, P. L.; Gentle, I. R.; Colsmann, A.
2017. ACS applied materials & interfaces, 9 (49), 42986–42995. doi:10.1021/acsami.7b15601

OLED Luminaires : Device Arrays with 99.6% Geometric Fill Factor Structured by Femtosecond Laser Ablation
García, J. F.; Höfle, S.; Zhang, M.; Dlugosch, J.; Friedrich, T.; Wagner, S.; Colsmann, A.
2017. ACS applied materials & interfaces, 9 (43), 37898–37904. doi:10.1021/acsami.7b12356

Transport-related triplet states and hyperfine couplings in organic tandem solar cells probed by pulsed electrically detected magnetic resonance spectroscopy
Kraffert, F.; Bahro, D.; Meier, C.; Denne, M.; Colsmann, A.; Behrends, J.
2017. Journal of magnetic resonance, 282, 10–17. doi:10.1016/j.jmr.2017.06.015

Organic Solar Modules : Fully Doctor Bladed on Glass in Air
Koppitz, M.; Hesse, N.; Landerer, D.; Graf von Reventlow, L.; Wegner, E.; Czolk, J.; Colsmann, A.
2017. Energy technology. doi:10.1002/ente.201600666

Solar Glasses : A Case Study on Semitransparent Organic Solar Cells for Self-Powered, Smart, Wearable Devices
Landerer, D.; Bahro, D.; Röhm, H.; Koppitz, M.; Mertens, A.; Manger, F.; Denk, F.; Heidinger, M.; Windmann, T.; Colsmann, A.
2017. Energy technology, 5 (11), 1936–1945. doi:10.1002/ente.201700226

Surfactant-free synthesis of sub-stoichiometry tungsten oxide nanoparticles and their use as anode buffer layers in organic solar cells
Brütsch, L.; Czolk, J.; Popescu, R.; Gerthsen, D.; Colsmann, A.; Feldmann, C.
2017. Solid state sciences, 69, 50–55. doi:10.1016/j.solidstatesciences.2017.05.010

Ferroelectric domains in methylammonium lead iodide perovskite thin-films
Röhm, H.; Leonhard, T.; Hoffmann, M. J.; Colsmann, A.
2017. Energy & environmental science, 10 (4), 950–955. doi:10.1039/C7EE00420F

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

p-Doping of polystyrene polymers with attached functional side-groups from solution
Schneider, T.; Limberg, F.; Yao, K.; Armin, A.; Jürgensen, N.; Czolk, J.; Ebenhoch, B.; Friederich, P.; Wenzel, W.; Behrends, J.; Krüger, H.; Colsmann, A.
2017. Journal of materials chemistry / C, 5 (3), 770–776. doi:10.1039/c6tc02346k

Thermo-cleavable poly(fluorene-benzothiadiazole) to enable solution deposition of multi-layer organic light emitting diodes
Höfle, S.; Zhang, M.; Dlugosch, J.; Kuhn, M.; Hamburger, M.; Colsmann, A.
2017. Organic electronics, 42, 355–360. doi:10.1016/j.orgel.2016.12.060

Ein DNA-Fulleren-Konjugat als Templat für supramolekulare Chromophorstapel: Auf dem Weg zu DNA-basierten Solarzellen
Ensslen, P.; Gärtner, S.; Glaser, K.; Colsmann, A.; Wagenknecht, H.-A.
2016. Angewandte Chemie, 128 (5), 1936–1941. doi:10.1002/ange.201509332

Highly Efficient, Mechanically Flexible, Semi-transparent Organic Solar Cells Doctor Bladed from Non-halogenated Solvents
Czolk, J.; Landerer, D.; Koppitz, M.; Nass, D.; Colsmann, A.
2016. Advanced Materials Technologies, 1 (9), Art. Nr. 1600184. doi:10.1002/admt.201600184

1-Ethynyl Ethers as Efficient Thermal Crosslinking System for Hole Transport Materials in OLEDs
Limberg, F. R. P.; Schneider, T.; Höfle, S.; Reisbeck, F.; Janietz, S.; Colsmann, A.; Krüger, H.
2016. Advanced functional materials, 26 (46), 8505–8513. doi:10.1002/adfm.201603862

Fabrication of polymer solar cells from organic nanoparticle dispersions by doctor blading or ink-jet printing
Sankaran, S.; Glaser, K.; Gärtner, S.; Rödlmeier, T.; Sudau, K.; Hernandez-Sosa, G.; Colsmann, A.
2016. Organic electronics, 28, 118–122. doi:10.1016/j.orgel.2015.10.011

A DNA-Fullerene Conjugate as a Template for Supramolecular Chromophore Assemblies: Towards DNA-Based Solar Cells
Ensslen, P.; Gärtner, S.; Glaser, K.; Colsmann, A.; Wagenknecht, H.-A.
2016. Angewandte Chemie / International edition, 55 (5), 1904–1908. doi:10.1002/anie.201509332

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

Enhanced electron extraction from solution processed organic solar cells employing rhodamine B doped fullerene layers
Schneider, T.; Gärtner, S.; Ebenhoch, B.; Behrends, J.; Colsmann, A.
2016. Synthetic metals, 221, 201–205. doi:10.1016/j.synthmet.2016.09.003

n-Doping of organic semiconductors for enhanced electron extraction from solution processed solar cells using alkali metals
Schneider, T.; Czolk, J.; Landerer, D.; Gärtner, S.; Puetz, A.; Bruns, M.; Behrends, J.; Colsmann, A.
2016. Journal of materials chemistry / A, 4 (38), 14703–14708. doi:10.1039/c6ta04770j

Probing the Diameter Limit of Single Walled Carbon Nanotubes in SWCNT: Fullerene Solar Cells
Pfohl, M.; Glaser, K.; Graf, A.; Mertens, A.; Tune, D. D.; Puerckhauer, T.; Alam, A.; Wei, L.; Chen, Y.; Zaumseil, J.; Colsmann, A.; Krupke, R.; Flavel, B. S.
2016. Advanced energy materials. doi:10.1002/aenm.201600890

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

Flower Power: Exploiting Plants’ Epidermal Structures for Enhanced Light Harvesting in Thin-Film Solar Cells
Hünig, R.; Mertens, A.; Stephan, M.; Schulz, A.; Richter, B.; Hetterich, M.; Powalla, M.; Lemmer, U.; Colsmann, A.; Gomard, G.
2016. Advanced optical materials, 4 (10), 1487–1493. doi:10.1002/adom.201600046

Tandem organic solar cells revisited
Bahro, D.; Koppitz, M.; Colsmann, A.
2016. Nature photonics, 10 (6), 354–355. doi:10.1038/nphoton.2016.96

Understanding the angle-independent photon harvesting in organic homo-tandem solar cells
Mertens, A.; Mescher, J.; Bahro, D.; Koppitz, M.; Colsmann, A.
2016. Optics Express, 24 (10), A898-A906. doi:10.1364/OE.24.00A898

Organic solar cells with graded absorber layers processed from nanoparticle dispersions
Gärtner, S.; Reich, S.; Bruns, M.; Czolk, J.; Colsmann, A.
2016. Nanoscale, 8 (12), 6721–6727. doi:10.1039/c6nr00080k

Performance Enhancement of Polymer-Free Carbon Nanotube Solar Cells via Transfer Matrix Modeling
Pfohl, M.; Glaser, K.; Ludwig, J.; Tune, D. D.; Dehm, S.; Kayser, C.; Colsmann, A.; Krupke, R.; Flavel, B. S.
2016. Advanced Energy Materials, 6 (1), 1501345. doi:10.1002/aenm.201501345

Modeling approach to derive the anisotropic complex refractive index of polymer:fullerene blends for organic solar cells utilizing spectroscopic ellipsometry
Klein, M. F. G.; Medeiros, G. Q. G. de; Kapetana, P.; Lemmer, U.; Colsmann, A.
2015. Journal of photonics for energy, 5 (1), Art. Nr.: 057204. doi:10.1117/1.JPE.5.057204

Tertiary carbonate side chains: Easily tunable thermo-labile breaking points for controlling the solubility of conjugated polymers
Kuhn, M.; Ludwig, J.; Marszalek, T.; Adermann, T.; Pisula, W.; Muellen, K.; Colsmann, A.; Hamburger, M.
2015. Chemistry of materials, 27 (7), 2678–2686. doi:10.1021/acs.chemmater.5b00549

Understanding the External Quantum Efficiency of Organic Homo-Tandem Solar Cells Utilizing a Three-Terminal Device Architecture
Bahro, D.; Koppitz, M.; Mertens, A.; Glaser, K.; Mescher, J.; Colsmann, A.
2015. Advanced Energy Materials, 5 (22), 1501019. doi:10.1002/aenm.201501019

All-solution processed transparent organic light emitting diodes
Zhang, M.; Höfle, S.; Czolk, J.; Mertens, A.; Colsmann, A.
2015. Nanoscale, 7 (47), 20009–20014. doi:10.1039/c5nr05820a

Combined XPS and ToF-SIMS characterization of solution processed organic light emitting diodes (OLEDs)
Bruns, M.; Hoefle, S.; Colsmann, A.
2015. 16th European Conference on Applications of Surface and Interface Analysis (ECASIA ’15), Granada, E, September 28 - October 1, 2015

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

Illumination angle and layer thickness influence on the photo current generation in organic solar cells: A combined simulative and experimental study
Mescher, J.; Mertens, A.; Egel, A.; Kettlitz, S. W.; Lemmer, U.; Colsmann, A.
2015. AIP Advances, 5 (7), 077188/1–6. doi:10.1063/1.4928074

Organic Nanoparticles for an Eco-Friendly Fabrication of Organic Solar Cells from Alcoholic Dispersion
Gärtner, S.; Christmann, M.; Sankaran, S.; Prinz, E.-M.; Penth, F.; Türeli, A. E.; Penth, B.; Baumstümmler, B.; Colsmann, A.
2015. Energy, Science and Technology, Conference and Exhibition (EST 2015), Karlsruhe, Germany, May 20–22, 2015

Charge generation layers for solution processed tandem organic light emitting diodes with regular device architecture
Höfle, S.; Bernhard, C.; Bruns, M.; Kübel, C.; Scherer, T.; Lemmer, U.; Colsmann, A.
2015. ACS applied materials & interfaces, 7, 8132–8137. doi:10.1021/acsami.5b00883

Plastik statt Silizium - Organische Photovoltaik leistet einen entscheidenden Beitrag zur Energiewende - Campusreport am 22.04.2014
Fuchs, S.; Colsmann, A.
2014. doi:10.5445/DIVA/2014-272

Eco‐Friendly Fabrication of 4% Efficient Organic Solar Cells from Surfactant‐Free P3HT:ICBA Nanoparticle Dispersions
Gärtner, S.; Christmann, M.; Sankaran, S.; Röhm, H.; Prinz, E.-M.; Penth, F.; Pütz, A.; Türeli, A. E.; Penth, B.; Baumstümmler, B.; Colsmann, A.
2014. Advanced materials, 26 (38), 6653–6657. doi:10.1002/adma.201402360

Organic Tandem Solar Cells
Glaser, K.; Pütz, A.; Mescher, J.; Bahro, D.; Colsmann, A.
2014. Organic Photovoltaics. Ed.: C. Brabec, 445–464, Wiley-VCH Verlag. doi:10.1002/9783527656912.ch14

π-Conjugated Polymer-Fullerene Covalent Hybrids via Ambient Conditions Diels-Alder Ligation
Yameen, B.; Pürckhauer, T.; Ludwig, J.; Ahmed, I.; Altintas, O.; Fruk, L.; Colsmann, A.; Barner-Kowollik, C.
2014. Small, 10 (15), 3091–3098. doi:10.1002/smll.201303772

Simulation of semi-transparent organic tandem solar cells for solar shading
Mescher, J.; Kettlitz, S. W.; Christ, N.; Klein, M. F. G.; Pütz, A.; Mertens, A.; Colsmann, A.; Lemmer, U.
2014. 14th International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD 2014) : Palma de Mallorca, Spain, 1 - 4 September 2014. Ed.: J. Piprek, 165–166, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/NUSOD.2014.6935408

Design rules for semi-transparent organic tandem solar cells for window integration
Mescher, J.; Kettlitz, S. W.; Christ, N.; Klein, M. F. G.; Puetz, A.; Mertens, A.; Colsmann, A.; Lemmer, U.
2014. Organic Electronics: physics, materials, applications, 15 (7), 1476–1480. doi:10.1016/j.orgel.2014.04.011

Enhanced Electron Injection into Inverted Polymer Light-Emitting Diodes by Combined Solution-Processed Zinc Oxide/Polyethylenimine Interlayers
Höfle, S.; Schienle, A.; Bruns, M.; Lemmer, U.; Colsmann, A.
2014. Advanced materials, 26 (17), 2750–2754. doi:10.1002/adma.201304666

Solution Processed, White Emitting Tandem Organic Light-Emitting Diodes with Inverted Device Architecture
Höfle, S.; Schienle, A.; Bernhard, C.; Bruns, M.; Lemmer, U.; Colsmann, A.
2014. Advanced materials, 26 (30), 5155–5159. doi:10.1002/adma.201400332

Influence of the Emission Layer Thickness on the Optoelectronic Properties of Solution Processed Organic Light-Emitting Diodes
Höfle, S.; Lutz, T.; Egel, A.; Nickel, F.; Kettlitz, S. W.; Gomard, G.; Lemmer, U.; Colsmann, A.
2014. ACS photonics, 1 (10), 968–973. doi:10.1021/ph500186m

Morphology change and improved efficiency in organic photovoltaics via hexa-peri-hexabenzocoronene templates
Dam, H. H.; Sun, K.; Hanssen, E.; White, J. M.; Marszalek, T.; Pisula, W.; Czolk, J.; Ludwig, J.; Colsmann, A.; Pfaff, M.; Gerthsen, D.; Wong, W. W. H.; Jones, D. J.
2014. ACS Applied Materials and Interfaces, 6 (11), 8824–8835. doi:10.1021/am5015666

Suppressing molecular aggregation in solution processed small molecule organic light emitting diodes
Höfle, S.; Pfaff, M.; Do, H.; Bernhard, C.; Gerthsen, D.; Lemmer, U.; Colsmann, A.
2014. Organic Electronics: physics, materials, applications, 15 (1), 337–341. doi:10.1016/j.orgel.2013.11.015

Solution-processed electrodes for efficient hybrid copper indium gallium diselenide thin film solar cells
Reinhard, M.; Eckstein, R.; Sonntag, P.; Burkert, L.; Dimmler, B.; Lemmer, U.; Colsmann, A.
2013. 39th IEEE Photovoltaic Specialists Conference, PVSC 2013, Tampa, FL, United States, 16 - 21 June 2013, 3226–3228, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/PVSC.2013.6745139

Tungsten oxide buffer layers fabricated in an inert sol-gel process at room-temperature for blue organic light-emitting diodes
Höfle, S.; Bruns, M.; Strässle, S.; Feldmann, C.; Lemmer, U.; Colsmann, A.
2013. Advanced materials, 25 (30), 4113–4116. doi:10.1002/adma.201301627

N-Fused quinoxalines and benzoquinoxalines as attractive emitters for organic light emitting diodes
Lindner, B. D.; Zhang, Y.; Höfle, S.; Berger, N.; Teusch, C.; Jesper, M.; Hardcastle, K. I.; Qian, X.; Lemmer, U.; Colsmann, A.; Bunz, U. H. F.; Hamburger, M.
2013. Journal of Materials Chemistry C, 1 (36), 5718–5724. doi:10.1039/c3tc30828f

Preparation of near-infrared absorbing composites comprised of conjugated macroligands on the surface of PbS nanoparticles
Zhang, J.; Bahrig, L.; Puetz, A.; Kanelidis, I.; Lenkeit, D.; Pelz, S.; Hickey, S. G.; Klein, M. F. G.; Colsmann, A.; Lemmer, U.; Eychmüller, A.; Holder, E.
2013. Polymer (United Kingdom), 54 (21), 5525–5533. doi:10.1016/j.polymer.2013.08.038

Additiveinfluss auf die Strukturbildung in Polymer-Fulleren-Gemischen für Polymersolarzellen
Buss, F.; Colsmann, A.; Lemmer, U.; Barrena, E.; Scharfer, P.; Schabel, W.
2013. Chemie - Ingenieur - Technik, 85 (9), 1457. doi:10.1002/cite.201250720

Synthesis and characterization of star-shaped donor-acceptor-donor structures
Pelz, S.; Zhang, J.; Kanelidis, I.; Klink, D.; Hyzak, L.; Wulf, V.; Schmitz, O. J.; Gasse, J.-C.; Frahm, R.; Pütz, A.; Colsmann, A.; Lemmer, U.; Holder, E.
2013. European Journal of Organic Chemistry, (22), 4761–4769. doi:10.1002/ejoc.201300357

TIPS-tetracene- and TIPS-pentacene-annulated poly(norbornadiene)s: Synthesis and properties
Porz, M.; Paulus, F.; Höfle, S.; Lutz, T.; Lemmer, U.; Colsmann, A.; Bunz, U. H. F.
2013. Macromolecular Rapid Communications, 34 (20), 1611–1617. doi:10.1002/marc.201300557

Monolithic hybrid tandem solar cells comprising copper indium gallium diselenide and organic subcells
Reinhard, M.; Sonntag, P.; Eckstein, R.; Bürkert, L.; Bauer, A.; Dimmler, B.; Lemmer, U.; Colsmann, A.
2013. Applied Physics Letters, 103 (14). doi:10.1063/1.4824017

Solution-processed polymer-silver nanowire top electrodes for inverted semi-transparent solar cells
Reinhard, M.; Eckstein, R.; Slobodskyy, A.; Lemmer, U.; Colsmann, A.
2013. Organic Electronics, 14 (01/2013), 273–277. doi:10.1016/j.orgel.2012.10.039

Inverted Semi-transparent Polymer Solar Cells with Transparency Color Rendering Indices approaching 100
Czolk, J.; Pütz, A.; Kutsarov, D.; Reinhard, M.; Lemmer, U.; Colsmann, A.
2013. Advanced Energy Materials, 3 (3), 386–390. doi:10.1002/aenm.201200532

Cadmium-free copper indium gallium diselenide hybrid solar cells comprising a 2-(4-biphenylyl)-5-(4-tert-butylphenyl)-1,3,4-oxadiazole buffer layer
Reinhard, M.; Simon, C.; Kuhn, J.; Bürkert, L.; Cemernjak, M.; Dimmler, B.; Lemmer, U.; Colsmann, A.
2013. Applied Physics Letters, 102 (6), 063304. doi:10.1063/1.4792507

Eliminating RC-effects in transient photocurrent measurements on organic photodiodes
Kettlitz, S.; Mescher, J.; Christ, N.; Nintz, M.; Valouch, S.; Colsmann, A.; Lemmer, U.
2013. IEEE Photonics Technology Letters (PTL), 25 (7), 682–685. doi:10.1109/LPT.2013.2247036

The role of nanotubes in carbon nanotube-silicon solar cells
Tune, D. D.; Hennrich, F.; Dehm, S.; Klein, M. F. G.; Glaser, K.; Colsmann, A.; Shapter, J. G.; Lemmer, U.; Kappes, M. M.; Krupke, R.; Flavel, B. S.
2013. Advanced Energy Materials, 3 (8), 1091–1097. doi:10.1002/aenm.201200949

Carbazole-Phenylbenzotriazole Copolymers as Absorber Material in Organic Solar Cells
Klein, M. F. G.; Pasker, F. M.; Kowarik, S.; Landerer, D.; Pfaff, M.; Isen, M.; Gerthsen, D.; Lemmer, U.; Höger, S.; Colsmann, A.
2013. Macromolecules, 46 (10), 3870–3878. doi:10.1021/ma400440q

Molybdenum oxide anode buffer layers for solution processed, blue phosphorescent small molecule organic light emitting diodes
Höfle, S.; Do, H.; Mankel, E.; Pfaff, M.; Zhang, Z.; Bahro, D.; Mayer, T.; Jaegermann, W.; Gerthsen, D.; Feldmann, C.; Lemmer, U.; Colsmann, A.
2013. Organic electronics, 14 (7), 1820–1824. doi:10.1016/j.orgel.2013.04.017

Semitransparente organische Solarzellen mit sehr guter Farbneutralität
Czolk, J.; Pütz, A.; Vogeler, H.; Lemmer, U.; Colsmann, A.
2013. Chancen der Energiewende : wissenschaftliche Beiträge des KIT zur 1. Jahrestagung des KIT-Zentrums Energie, 19.06.2012. Hrsg.: W. Breh, 125–130, KIT Scientific Publishing

Efficiency Enhancement of Organic and Thin-Film Silicon Solar Cells with Photochemical Upconversion
Schulze, T. F.; Czolk, J.; Cheng, Y.-Y.; Fückel, B.; MacQueen, R. W.; Khoury, T.; Crossley, M. J.; Stannowski, B.; Lips, K.; Lemmer, U.; Colsmann, A.; Schmidt, T. W.
2012. The journal of physical chemistry <Washington, DC> / C, 116 (43), 22794–22801. doi:10.1021/jp309636m

Solution processable, precursor based zinc oxide buffer layers for 4.5% efficient organic tandem solar cells
Puetz, A.; Steiner, F.; Mescher, J.; Reinhard, M.; Christ, N.; Kutsarov, D.; Kalt, H.; Lemmer, U.; Colsmann, A.
2012. Organic electronics, 13 (11), 2696–2701. doi:10.1016/j.orgel.2012.07.043

Zinc oxide nanorod arrays hydrothermally grown on a highly conductive polymer for inverted polymer solar cells
Reinhard, M.; Conradt, J.; Braun, M.; Colsmann, A.; Lemmer, U.; Kalt, H.
2012. Synthetic metals, 162 (17-18), 1582–1586. doi:10.1016/j.synthmet.2012.06.018

Nanomorphology of P3HT:PCBM-based Organic Solar Cells Analyzed by Low-Energy Scanning Transmission Electron Microscopy
Pfaff, M.; Müller, E.; Müller, P.; Gerthsen, D.; Klein, M. G.; Colsmann, A.; Lemmer, U.
2012. Microscopy and microanalysis, 18 (S2), 1234–1235. doi:10.1017/S1431927612008021

Nanomorphology of P3HT:PCBM-based Organic Solar Cells Analyzed by Low-Energy Scanning Transmission Electron Microscopy
Pfaff, M.; Klein, M. G.; Müller, E.; Müller, P.; Colsmann, A.; Lemmer, U.; Gerthsen, D.
2012. Microscopy and Microanalysis, 18 (6), 1380–1388. doi:10.1017/S143192761201344X

Investigation of non-halogenated solvent mixtures for high throughput fabrication of polymer-fullerene solar cells
Schmidt-Hansberg, B.; Sanyal, M.; Grossiord, N.; Galagan, Y.; Baunach, M.; Klein, M.; Colsmann, A.; Scharfer, P.; Lemmer, U.; Dosch, H.; Michels, J.; Barrena, E.; Schabel, W.
2012. Solar Energy Materials and Solar Cells, 96, 195–201. doi:10.1016/j.solmat.2011.09.059

Poly(3-hexylselenophene) solar cells : Correlating the optoelectronic device performance and nanomorphology imaged by low-energy scanning Transmission electron microscopy
Klein, M. F. G.; Pfaff, M.; Müller, E.; Czolk, J.; Reinhard, M.; Valouch, S.; Lemmer, U.; Colsmann, A.; Gerthsen, D.
2012. Journal of polymer science / B, 50 (3), 198–206. doi:10.1002/polb.22394

Inverted semi-transparent organic solar cells with spray coated, surfactant free polymer top-electrodes
Colsmann, A.; Reinhard, M.; Kwon, T.-H.; Kayser, C.; Nickel, F.; Czolk, J.; Lemmer, U.; Clark, N.; Jasieniak, J.; Holmes, A. B.; Jones, D.
2012. Solar Energy Materials and Solar Cells, 98, 118–123. doi:10.1016/j.solmat.2011.10.016

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

Oligomers Comprising 2-Phenyl-2H-Benzotriazole Building Blocks for Solution Processible Organic Photovoltaic Devices
Klein, M. F. G.; Pasker, F.; Wettach, H.; Gadaczek, I.; Bredow, T.; Zilkens, P.; Voehringer, P.; Lemmer, U.; Höger, S.; Colsmann, A.
2012. The journal of physical chemistry <Washington, DC> / C, 116 (31), 16358–16364. doi:10.1021/jp3039384

Solution processed sodium chloride interlayers for efficient electron extraction from polymer solar cells
Nickel, F.; Reinhard, M.; Zhang, Z.; Pütz, A.; Kettlitz, S. W.; Lemmer, U.; Colsmann, A.
2012. Applied Physics Letters, 101 (5), 053309/1–3. doi:10.1063/1.4742161

Influence of the spatial photocarrier generation profile on the performance of organic solar cells
Mescher, J.; Christ, N.; Kettlitz, S. W.; Colsmann, A.; Lemmer, U.
2012. Applied Physics Letters, 101 (7), 073301/1–4. doi:10.1063/1.4745601

Solution processed small molecule organic interfacial layers for low dark current polymer photodiodes
Valouch, S.; Hönes, C.; Kettlitz, S. W.; Christ, N.; Do, H.; Klein, M. F. G.; Kalt, H.; Colsmann, A.; Lemmer, U.
2012. Organic Electronics, 13 (11), 2727–2732. doi:10.1016/j.orgel.2012.07.044

Structure Formation in Low-Bandgap Polymer: Fullerene Solar Cell Blends in the Course of Solvent Evaporation
Schmidt-Hansberg, B.; Klein, M. F. G.; Sanyal, M.; Buss, F.; Medeiros, G. Q. G. de; Munuera, C.; Vorobiev, A.; Colsmann, A.; P. Scharfer, P.; Lemmer, U.; Barrena, E.; Schabel, W.
2012. Macromolecules, 45 (19), 7948–7955. doi:10.1021/ma300945k

Photovoltaic response to structural modifications on a series of conjugated polymers based on 2-aryl-2H-benzotriazoles
Pasker, F. M.; Klein, M. F. G.; Sanyal, M.; Barrena, E.; Lemmer, U.; Colsmann, A.; Höger, S.
2011. Journal of polymer science / A, 49 (23), 5001–5011. doi:10.1002/pola.24959

Inverted organic solar cells comprising a solution-processed cesium fluoride interlayer
Reinhard, M.; Hanisch, J.; Zhang, Z.-H.; Ahlswede, E.; Colsmann, A.; Lemmer, U.
2011. Applied Physics Letters, 98 (5), 053303/1–3. doi:10.1063/1.3548860

In Situ X-Ray Study of Drying-Temperature Influence on the Structural Evolution of Bulk-Heterojunction Polymer-Fullerene Solar Cells Processed by Doctor-Blading
Sanyal, M.; Schmidt-Hansberg, B.; Klein, M. F. G.; Colsmann, A.; Munuera, C.; Vorobiev, A.; Lemmer, U.; Schabel, W.; Dosch, H.; Barrena, E.
2011. Advanced Energy Materials, 1 (3), 363–367. doi:10.1002/aenm.201100007

Effect of Photovoltaic Polymer/Fullerene Blend Composition Ratio on Microstructure Evolution during Film Solidification Investigated in Real Time by X-ray Diffraction
Sanyal, M.; Schmidt-Hansberg, B.; Klein, M. F. G.; Munuera, C.; Vorobiev, A.; Colsmann, A.; Scharfer, P.; Lemmer, U.; Schabel, W.; Dosch, H.; Barrena, B.
2011. Macromolecules, 44 (10), 3795–3800. doi:10.1021/ma2000338

Efficient Semi-Transparent Organic Solar Cells with Good Transparency Color Perception and Rendering Properties
Colsmann, A.; Pütz, A.; Bauer, A.; Hanisch, J.; Ahlswede, E.; Lemmer, U.
2011. Advanced Energy Materials, 1 (4), 599–603. doi:10.1002/aenm.201000089

Low-energy electron scattering in carbon-based materials analyzed by scanning transmission electron microscopy and its application to sample thickness determination
Pfaff, M.; Müller, E.; Klein, M. F. G.; Colsmann, A.; Lemmer, U.; Krzyzanek, V.; Reichelt, R.; Gerthsen, D.
2011. Journal of Microscopy, 243 (1), 31–39. doi:10.1111/j.1365-2818.2010.03475.x

A dendronised polymer for bulk heterojunction solar cells
Yu, J.; Lee, K. H.; Zhang, Y.; Klein, M. F. G.; Colsmann, A.; Lemmer, U.; Burn, P. L.; Lo, S.-C.; Meredith, P.
2011. Polymer Chemistry, 2 (11), 2668–2673. doi:10.1039/c1py00301a

Moving Through the Phase Diagram: Morphology Formation in Solution Cast Polymer-Fullerene-Blend Films for Organic Solar Cells
Schmidt-Hansberg, B.; Sanyal, M.; Klein, M. F. G.; Pfaff, M.; Schnabel, N.; Jaiser, S.; Vorobiev, A.; Müller, E.; Colsmann, A.; Scharfer, P.; Gerthsen, D.; Lemmer, U.; Barrena, E.; Schabel, W.
2011. ACS Nano, 5 (11), 8579–8590. doi:10.1021/nn2036279

Cathodes comprising highly conductive poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) for semi-transparent polymer solar cells
Nickel, F.; Pütz, A.; Reinhard, M.; Do, H.; Kayser, C.; Colsmann, A.; Lemmer, U.
2010. Organic Electronics, 11 (4), 535–538. doi:10.1016/j.orgel.2009.12.009

Deep blue organic light-emitting diodes based on triphenylenes
Wettach, H.; Jester, S. S.; Colsmann, A.; Lemmer, U.; Rehmann, N.; Meerholz, K.; Höger, S.
2010. Synthetic metals, 160 (7/8), 691–700. doi:10.1016/j.synthmet.2010.01.003

Modular Synthesis and Electronic and Hole-Transport Properties of Monodisperse Oligophenothiazines
Müller, T. J. J.; Franz, A. W.; Barkschat, C. S.; Sailer, M.; Meerholz, K.; Müller, D.; Colsmann, A.; Lemmer, U.
2010. Macromolecular Symposia, 287 (1), 1–7. doi:10.1002/masy.201050101

Organic Semiconductors for Thermoelectric Applications
Scholdt, M.; Do, H.; Lang, J.; Gall, A.; Colsmann, A.; Lemmer, U.; Koenig, J.; Winkler, M.; Boettner, H.
2010. Journal of Electronic Materials, 39 (9), 1589–1592. doi:10.1007/s11664-010-1271-8

In situ monitoring the drying kinetics of knife coated polymer-fullerene films for organic solar cells
Schmidt-Hansberg, B.; Klein, M. F. G.; Peters, K.; Buss, F.; Pfeifer, J.; Walheim, S.; Colsmann, A.; Lemmer, U.; Scharfer, P.; Schabel, W.
2009. Journal of Applied Physics, 106 (12), 124501/1–7. doi:10.1063/1.3270402

Polymeric anodes from poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) for 3.5% efficient organic solar cells
Lemmer, U.; Do, H.; Reinhard, M.; Vogeler, H.; Pütz, A.; Klein, M. F. G.; Colsmann, A.; Schabel, W.
2009. Thin Solid Films, 517 (20), 5900–5902

Plasma patterning of Poly(3,4-ethylenedioxythiophene):Poly(styrenesulfonate) anodes for efficient polymer solar cells
Lemmer, U.; Colsmann, A.; Stenzel, F.; Balthasar, G.; Do, H.
2009. Thin Solid Films, 517 (5), 1750–1752

Ladungstransportschichten für effiziente organische Halbleiterbauelemente. PhD dissertation
Colsmann, A.
2009. Universitätsverlag Karlsruhe. doi:10.5445/KSP/1000010090

Optimization of electron transport and cathode materials for efficient organic solar cells
Lemmer, U.; Colsmann, A.; Junge, J.; Wellinger, T.; Kayser, C.
2006. Proceedings / Organic optoelectronics and photonics II, 3 - 6 April 2006, Strasbourg, France. Ed.: P. L. Heremans, 619220/1–5, Society of Photo-optical Instrumentation Engineers (SPIE)

Organic tandem solar cells comprising polymer and small-molecule subcells
Lemmer, U.; Colsmann, A.; Junge, J.; Kayser, C.
2006. Applied Physics Letters, 89 (20), 203506/1–3