Dr. Karen Forberich

Postdoc, Projektleitung Forschungsgruppe P&L (Phosphors & Light)

Department of Materials Science and Engineering
Chair of Materials for Electronics and Energy Technology

Raum 391
Martensstr . 7
91058 Erlangen

Publications

Forberich, K., Albrecht, S., Castriotta, L.A., Distler, A., Hauch, J., Kirchartz, T.,... Brabec, C. (2025). A Stage-Gate Framework for Upscaling of Single-Junction Perovskite Photovoltaics. Advanced Energy Materials, 15(13). https://doi.org/10.1002/aenm.202404036
Haffner-Schirmer, J., Le Corre, V.M., Forberich, K., Egelhaaf, H.-J., Osterrieder, T., Wortmann, J.,... Brabec, C. (2025). A High Throughput Platform to Minimize Voltage and Fill Factor Losses. Advanced Energy Materials. https://doi.org/10.1002/aenm.202403479
Kong, M., Osvet, A., Forberich, K., Barabash, A., Erban, C., Batentschuk, M., & Brabec, C. (2025). Lead-Free Perovskite Cs2AgxNa1-xBiyIn1-yCl6 Microcrystals for Scattering-Fluorescent Luminescent Solar Concentrators. ACS Applied Materials and Interfaces, 17(1), 1644-1653. https://doi.org/10.1021/acsami.4c18315
Li, C., Vincze, A., Park, H., Streller, F., Götz, K., Qiu, S.,... Brabec, C. (2025). Anchoring ligand engineering enables highly stable MA-free perovskite solar cells with a minimal VOC deficit of 0.32 V. Energy and Environmental Science, 18(15), 7660 - 7668. https://doi.org/10.1039/d5ee03162a
Qiu, S., Majewski, M., Dong, L., Distler, A., Li, C., Forberich, K.,... Brabec, C. (2025). Over one-micron-thick void-free perovskite layers enable highly efficient and fully printed solar cells. Energy and Environmental Science. https://doi.org/10.1039/d5ee01722j
Sukpoonprom, P., Tremlett, W.D., Qiao, Z., Chattakoonpaisarn, C., Hong, E., Hu, B.,... Gasparini, N. (2025). Complex formation of ferrocene derivatives with electron transport layers enables improved performance and photostability in organic solar cells. Joule. https://doi.org/10.1016/j.joule.2025.102107
Zhou, S., Rehm, V., Grizfeld, R., Liu, Z., Han, Y., Hrbek, T.,... Heiß, W. (2025). Boosting the Performance of Epitaxial Perovskite Microstructures by Surface Passivation. Advanced Optical Materials, 14(1). https://doi.org/10.1002/adom.202503210

Kupfer, C., Le Corre, V.M., Li, C., Lüer, L., Forberich, K., Kato, M.,... Brabec, C. (2024). Unravelling material properties of halide perovskites by combined microwave photoconductivity and time-resolved photoluminescence spectroscopy. Journal of Materials Chemistry C, 12(1), 95-102. https://doi.org/10.1039/d3tc03867j
Li, C., Park, H., Qiu, S., Streller, F., Zhang, K., Peng, Z.,... Brabec, C. (2024). Controlling Intermediate Phase Formation to Enhance Photovoltaic Performance of Inverted FA-Based Perovskite Solar Cells. ACS Energy Letters, 9(11), 5434-5443. https://doi.org/10.1021/acsenergylett.4c02580
Lüer, L., Forberich, K., Hepp, J., Buerhop-Lutz, C., Winkler, T., Rodrigues, S.,... Peters, I.M. (2024). PV module power prediction by deep learning on electroluminescence images - Assessing the physics learned by a convolutional neural network. Solar Energy Materials and Solar Cells, 264. https://doi.org/10.1016/j.solmat.2023.112621
Zhang, K., Liu, C., Peng, Z., Li, C., Tian, J., Li, C.,... Brabec, C. (2024). Binary cations minimize energy loss in the wide-band-gap perovskite toward efficient all-perovskite tandem solar cells. Joule. https://doi.org/10.1016/j.joule.2024.07.003

Almora, O., Baran, D., Bazan, G.C., Cabrera, C.I., Erten-Ela, S., Forberich, K.,... Brabec, C.J. (2023). Device Performance of Emerging Photovoltaic Materials (Version 3). Advanced Energy Materials, 13(1). https://doi.org/10.1002/aenm.202203313
Elia, J., Levchuk, I., Hou, Y., Matt, G., These, A., Zhao, Y.,... Brabec, C. (2023). Solution-Growth Liquid-Phase Epitaxy of CsPbBr3 on NaCl by Optimizing the Substrate Dissolution. Journal of Physical Chemistry C, 127, 22412-22424. https://doi.org/10.1021/acs.jpcc.3c06162
Feroze, S., Distler, A., Forberich, K., Ahmed Channa, I., Doll, B., Brabec, C., & Egelhaaf, H.-J. (2023). Comparative analysis of outdoor energy harvest of organic and silicon solar modules for applications in BIPV systems. Solar Energy, 263. https://doi.org/10.1016/j.solener.2023.111894
Liu, C., Lüer, L., Le Corre, V.M., Forberich, K., Weitz, P., Heumüller, T.,... Brabec, C. (2023). Understanding Causalities in Organic Photovoltaics Device Degradation in a Machine-Learning-Driven High-Throughput Platform. Advanced Materials. https://doi.org/10.1002/adma.202300259
Vogl, L., Kalancha, V., Schweizer, P., Denninger, P., Wu, M., Brabec, C.,... Spiecker, E. (2023). Influence of tin oxide decoration on the junction conductivity of silver nanowires. Nanotechnology, 34(17). https://doi.org/10.1088/1361-6528/acb3ca
Wagner, M., Distler, A., Le Corre, V.M., Zapf, S., Baydar, B., Schmidt, H.-D.,... Egelhaaf, H.-J. (2023). Cutting “lab-to-fab” short: high throughput optimization and process assessment in roll-to-roll slot die coating of printed photovoltaics. Energy and Environmental Science. https://doi.org/10.1039/d3ee01801f
Zhang, D., Liu, C., Zhang, K., Jia, Y., Zhong, W., Qiu, W.,... Ying, L. (2023). Observation of reversible light degradation in organic photovoltaics induced by long-persistent radicals. Energy and Environmental Science. https://doi.org/10.1039/d3ee02540c

Chen, Y., Hu, J., Xu, Z., Jiang, Z., Chen, S., Xu, B.,... Guo, F. (2022). Managing Phase Orientation and Crystallinity of Printed Dion-Jacobson 2D Perovskite Layers via Controlling Crystallization Kinetics. Advanced Functional Materials. https://doi.org/10.1002/adfm.202112146
Kalancha, V., These, A., Vogl, L., Levchuk, I., Zhou, X., Barr, M.,... Forberich, K. (2022). Overcoming Temperature-Induced Degradation of Silver Nanowire Electrodes by an Ag@SnOx Core-Shell Approach. Advanced Electronic Materials. https://doi.org/10.1002/aelm.202100787
Meng, W., Xu, J., Dong, L., Zhang, J., Xie, Z., Luo, J.,... Brabec, C. (2022). An Innovative Anode Interface Combination for Perovskite Solar Cells with Improved Efficiency, Stability, and Reproducibility. Solar RRL. https://doi.org/10.1002/solr.202200378
Meng, W., Zhang, K., Osvet, A., Zhang, J., Gruber, W., Forberich, K.,... Brabec, C. (2022). Revealing the strain-associated physical mechanisms impacting the performance and stability of perovskite solar cells. Joule, 6(2), 458-475. https://doi.org/10.1016/j.joule.2022.01.011
Rossi, D., Forberich, K., Matteocci, F., Der Maur, M.A., Egelhaaf, H.-J., Brabec, C., & Di Carlo, A. (2022). Design of Highly Efficient Semitransparent Perovskite/Organic Tandem Solar Cells. Solar RRL. https://doi.org/10.1002/solr.202200242
Wang, R., Jiang, Y., Gruber, W., He, Y., Wu, M., Weitz, P.,... Brabec, C. (2022). Tailoring the Nature of Interface States in Efficient and Stable Bilayer Organic Solar Cells by a Transfer-Printing Technique. Advanced Materials Interfaces. https://doi.org/10.1002/admi.202200342
Weitz, P., Le Corre, V.M., Du, X., Forberich, K., Deibel, C., Brabec, C., & Heumüller, T. (2022). Revealing Photodegradation Pathways of Organic Solar Cells by Spectrally Resolved Accelerated Lifetime Analysis. Advanced Energy Materials. https://doi.org/10.1002/aenm.202202564

Akhundova, F., Lüer, L., Osvet, A., Hauch, J., Peters, I.M., Forberich, K.,... Brabec, C. (2021). Building process design rules for microstructure control in wide-bandgap mixed halide perovskite solar cells by a high-throughput approach. Applied Physics Letters, 118(24), 1ENG-. https://doi.org/10.1063/5.0049010
Liu, C., Félix, R., Forberich, K., Du, X., Heumüller, T., Matt, G.,... Brabec, C. (2021). Utilizing the unique charge extraction properties of antimony tin oxide nanoparticles for efficient and stable organic photovoltaics. Nano Energy, 89. https://doi.org/10.1016/j.nanoen.2021.106373
Tam, K.C., Saito, H., Maisch, P., Forberich, K., Feroze, S., Hisaeda, Y.,... Egelhaaf, H.-J. (2021). Highly Reflective and Low Resistive Top Electrode for Organic Solar Cells and Modules by Low Temperature Silver Nanoparticle Ink. Solar RRL. https://doi.org/10.1002/solr.202100887
Wang, R., Lüer, L., Langner, S., Heumüller, T., Forberich, K., Zhang, H.,... Brabec, C. (2021). Understanding the Microstructure Formation of Polymer Films by Spontaneous Solution Spreading Coating with a High-Throughput Engineering Platform. Chemsuschem. https://doi.org/10.1002/cssc.202100927
Zhang, K., Forberich, K., Lüer, L., García Cerrillo, J., Meng, W., Du, X.,... Brabec, C. (2021). Understanding the Limitations of Charge Transporting Layers in Mixed Lead–Tin Halide Perovskite Solar Cells. Advanced Energy and Sustainability Research, 2100156. https://doi.org/10.1002/aesr.202100156

Classen, A., Chochos, C.L., Lüer, L., Gregoriou, V.G., Wortmann, J., Osvet, A.,... Brabec, C. (2020). The role of exciton lifetime for charge generation in organic solar cells at negligible energy-level offsets. Nature Energy. https://doi.org/10.1038/s41560-020-00684-7
Hu, J., Wang, C., Qiu, S., Zhao, Y., Gu, E., Zeng, L.,... Guo, F. (2020). Spontaneously Self-Assembly of a 2D/3D Heterostructure Enhances the Efficiency and Stability in Printed Perovskite Solar Cells. Advanced Energy Materials. https://doi.org/10.1002/aenm.202000173
Zeng, L., Chen, S., Forberich, K., Brabec, C., Mai, Y., & Guo, F. (2020). Controlling the crystallization dynamics of photovoltaic perovskite layers on larger-area coatings. Energy and Environmental Science. https://doi.org/10.1039/D0EE02575E

Dr. Karen Forberich

Publications

2025

2024

2023

2022

2021

2020

News and Recent Accomplishments: