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

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

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

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

Advanced light management concepts for perovskite photovoltaics. PhD dissertation
Schmager, R.
2020, May 26. Karlsruher Institut für Technologie (KIT). doi:10.5445/IR/1000119647

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Assessing the influence of structural disorder on the plant epidermal cells’ optical properties: a numerical analysis
Fritz, B.; Hünig, R.; Schmager, R.; Hetterich, M.; Lemmer, U.; Gomard, G.
2017. Bioinspiration & biomimetics, 12 (3), Art.Nr. 036011. doi:10.1088/1748-3190/aa6c46