2024
Nanopores in ventral scales cause white venters for the thermoregulations of snakes 
Reza, K. S.; Borgmann, L. M.; Chen, J.; Gunstheimer, H.; Thelen, R.; Gomard, G.; Lemmer, U.; Hölscher, H.
2024, September 10. doi:10.35097/gq3dtqkj9u3dfe09

Reza, K. S.; Borgmann, L. M.; Chen, J.; Gunstheimer, H.; Thelen, R.; Gomard, G.; Lemmer, U.; Hölscher, H.
2024, September 10. doi:10.35097/gq3dtqkj9u3dfe09

2023
Recent Progress in Light‐Scattering Porous Polymers and Their Applications 
Yu, S.; Chen, J.; Gomard, G.; Hölscher, H.; Lemmer, U.
2023. Advanced Optical Materials, 11 (13), Art.-Nr.: 2203134. doi:10.1002/adom.202203134

Yu, S.; Chen, J.; Gomard, G.; Hölscher, H.; Lemmer, U.
2023. Advanced Optical Materials, 11 (13), Art.-Nr.: 2203134. doi:10.1002/adom.202203134

Correlated Disorder Substrate‐Integrated Nanodisk Scatterers for Light Extraction in Organic Light Emitting Diodes 
Piechulla, P. M. M.; Donie, Y. J. J.; Wehrspohn, R. B. B.; Lemmer, U.; Gomard, G.; Sprafke, A. N. N.
2023. Advanced Optical Materials, 11 (13), Art.-Nr.: 2202557. doi:10.1002/adom.202202557

Piechulla, P. M. M.; Donie, Y. J. J.; Wehrspohn, R. B. B.; Lemmer, U.; Gomard, G.; Sprafke, A. N. N.
2023. Advanced Optical Materials, 11 (13), Art.-Nr.: 2202557. doi:10.1002/adom.202202557

2022
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

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

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

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

Silver-Nanoparticle-Based Metallodielectric Wavelength-Selective Reflectors for Quantum-Dot-Enhanced White-Light-Emitting Diodes 
Chen, J.; Theobald, D.; Shams, A. B.; Jin, Q.; Mertens, A.; Gomard, G.; Lemmer, U.
2022. ACS applied nano materials, 5 (1), 87–93. doi:10.1021/acsanm.1c02885

Chen, J.; Theobald, D.; Shams, A. B.; Jin, Q.; Mertens, A.; Gomard, G.; Lemmer, U.
2022. ACS applied nano materials, 5 (1), 87–93. doi:10.1021/acsanm.1c02885

2021
Pixelated Smart Window for High Dynamic Range Signage Displaying Applications 
Jin, Q.; Zhang, Q.; Chen, J.; Gehring, T.; Eizaguirre Cabrera, S.; Huber, R.; Gomard, G.; Lemmer, U.; Kling, R.
2021, Oktober. 6th Smart Materials and Surfaces (SMS 2021), Mailand, Italien, 20.–22. Oktober 2021

Jin, Q.; Zhang, Q.; Chen, J.; Gehring, T.; Eizaguirre Cabrera, S.; Huber, R.; Gomard, G.; Lemmer, U.; Kling, R.
2021, Oktober. 6th Smart Materials and Surfaces (SMS 2021), Mailand, Italien, 20.–22. Oktober 2021
Simulation of light scattering in large, disordered nanostructures using a periodic T-matrix method 
Theobald, D.; Beutel, D.; Borgmann, L.; Mescher, H.; Gomard, G.; Rockstuhl, C.; Lemmer, U.
2021. Journal of quantitative spectroscopy & radiative transfer, 272, Article no: 107802. doi:10.1016/j.jqsrt.2021.107802

Theobald, D.; Beutel, D.; Borgmann, L.; Mescher, H.; Gomard, G.; Rockstuhl, C.; Lemmer, U.
2021. Journal of quantitative spectroscopy & radiative transfer, 272, Article no: 107802. doi:10.1016/j.jqsrt.2021.107802

A Single‐Step Hot Embossing Process for Integration of Microlens Arrays in Biodegradable Substrates for Improved Light Extraction of Light‐Emitting Devices 
Jürgensen, N.; Fritz, B.; Mertens, A.; Tisserant, J.-N.; Kolle, M.; Gomard, G.; Hernandez-Sosa, G.
2021. Advanced materials technologies, 6 (2), Art.Nr. 1900933. doi:10.1002/admt.201900933

Jürgensen, N.; Fritz, B.; Mertens, A.; Tisserant, J.-N.; Kolle, M.; Gomard, G.; Hernandez-Sosa, G.
2021. Advanced materials technologies, 6 (2), Art.Nr. 1900933. doi:10.1002/admt.201900933

High Dynamic Range Smart Window Display by Surface Hydrophilization and Inkjet Printing 
Jin, Q.; Zhang, Q.; Chen, J.; Gehring, T.; Eizaguirre, S.; Huber, R.; Gomard, G.; Lemmer, U.; Kling, R.
2021. Advanced materials technologies, 5 (7), Art.-Nr.: 2101026. doi:10.1002/admt.202101026

Jin, Q.; Zhang, Q.; Chen, J.; Gehring, T.; Eizaguirre, S.; Huber, R.; Gomard, G.; Lemmer, U.; Kling, R.
2021. Advanced materials technologies, 5 (7), Art.-Nr.: 2101026. doi:10.1002/admt.202101026

Gold nanoplasmonic particles in tunable porous silicon 3D scaffolds for ultra-low concentration detection by SERS 
Wu, R.; Jin, Q.; Storey, C. J.; Collins, J.; Gomard, G.; Lemmer, U.; Canham, L. T.; Kling, R.; Kaplan, A.
2021. Nanoscale horizons, 6 (10), 781–790. doi:10.1039/D1NH00228G

Wu, R.; Jin, Q.; Storey, C. J.; Collins, J.; Gomard, G.; Lemmer, U.; Canham, L. T.; Kling, R.; Kaplan, A.
2021. Nanoscale horizons, 6 (10), 781–790. doi:10.1039/D1NH00228G

Phase-Separated Nanophotonic Structures by Inkjet Printing 
Donie, Y. J.; Schlisske, S.; Siddique, R. H.; Mertens, A.; Narasimhan, V.; Schackmar, F.; Pietsch, M.; Hossain, I. M.; Hernandez-Sosa, G.; Lemmer, U.; Gomard, G.
2021. ACS nano, 15 (4), 7305–7317. doi:10.1021/acsnano.1c00552

Donie, Y. J.; Schlisske, S.; Siddique, R. H.; Mertens, A.; Narasimhan, V.; Schackmar, F.; Pietsch, M.; Hossain, I. M.; Hernandez-Sosa, G.; Lemmer, U.; Gomard, G.
2021. ACS nano, 15 (4), 7305–7317. doi:10.1021/acsnano.1c00552

Snake‐Inspired, Nano‐Stepped Surface with Tunable Frictional Anisotropy Made from a Shape‐Memory Polymer for Unidirectional Transport of Microparticles 
Wu, W.; Guttmann, M.; Schneider, M.; Thelen, R.; Worgull, M.; Gomard, G.; Hölscher, H.
2021. Advanced functional materials, 31 (19), Art.-Nr.: 2009611. doi:10.1002/adfm.202009611

Wu, W.; Guttmann, M.; Schneider, M.; Thelen, R.; Worgull, M.; Gomard, G.; Hölscher, H.
2021. Advanced functional materials, 31 (19), Art.-Nr.: 2009611. doi:10.1002/adfm.202009611

2020
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

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

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

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

Design of Selective Reflectors Utilizing Multiple Scattering by Core–Shell Nanoparticles for Color Conversion Films 
Theobald, D.; Yu, S.; Gomard, G.; Lemmer, U.
2020. ACS photonics, 7 (6), 1452–1460. doi:10.1021/acsphotonics.0c00117

Theobald, D.; Yu, S.; Gomard, G.; Lemmer, U.
2020. ACS photonics, 7 (6), 1452–1460. doi:10.1021/acsphotonics.0c00117

Hot-embossed large-area plant microstructures for improved photovoltaic light harvesting” 
Fritz, B.; Guttmann, M.; Gomard, G.; Hünig, R.
2020. WOMag, 9 (5), 20–21

Fritz, B.; Guttmann, M.; Gomard, G.; Hünig, R.
2020. WOMag, 9 (5), 20–21
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

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

Bioreplicated coatings for photovoltaic solar panels nearly eliminate light pollution that harms polarotactic insects 
Fritz, B.; Horváth, G.; Hünig, R.; Pereszlényi, Á.; Egri, Á.; Guttmann, M.; Schneider, M.; Lemmer, U.; Kriska, G.; Gomard, G.
2020. (O. Ostroverkhova, Hrsg.) PLOS ONE, 15 (12), Art.-Nr. e0243296. doi:10.1371/journal.pone.0243296

Fritz, B.; Horváth, G.; Hünig, R.; Pereszlényi, Á.; Egri, Á.; Guttmann, M.; Schneider, M.; Lemmer, U.; Kriska, G.; Gomard, G.
2020. (O. Ostroverkhova, Hrsg.) PLOS ONE, 15 (12), Art.-Nr. e0243296. doi:10.1371/journal.pone.0243296

Variation of the frictional anisotropy on ventral scales of snakes caused by nanoscale steps 
Wu, W.; Yu, S.; Schreiber, P.; Dollmann, A.; Lutz, C.; Gomard, G.; Greiner, C.; Hölscher, H.
2020. Bioinspiration & biomimetics, 15 (5), Art.-Nr.: 056014. doi:10.1088/1748-3190/ab9e51

Wu, W.; Yu, S.; Schreiber, P.; Dollmann, A.; Lutz, C.; Gomard, G.; Greiner, C.; Hölscher, H.
2020. Bioinspiration & biomimetics, 15 (5), Art.-Nr.: 056014. doi:10.1088/1748-3190/ab9e51

Horsefly reactions to black surfaces: attractiveness to male and female tabanids versus surface tilt angle and temperature 
Horváth, G.; Pereszlényi, Á.; Egri, Á.; Fritz, B.; Guttmann, M.; Lemmer, U.; Gomard, G.; Kriska, G.
2020. Parasitology research, 119, 2399–2409. doi:10.1007/s00436-020-06702-7

Horváth, G.; Pereszlényi, Á.; Egri, Á.; Fritz, B.; Guttmann, M.; Lemmer, U.; Gomard, G.; Kriska, G.
2020. Parasitology research, 119, 2399–2409. doi:10.1007/s00436-020-06702-7

Compensated Microsphere-Assisted Interference Microscopy 
Perrin, S.; Donie, Y. J.; Montgomery, P.; Gomard, G.; Lecler, S.
2020. Physical review applied, 13 (1), Art.-Nr. 014068. doi:10.1103/PhysRevApplied.13.014068

Perrin, S.; Donie, Y. J.; Montgomery, P.; Gomard, G.; Lecler, S.
2020. Physical review applied, 13 (1), Art.-Nr. 014068. doi:10.1103/PhysRevApplied.13.014068

Upscaling the fabrication routine of bioreplicated rose petal light harvesting layers for photovoltaic modules 
Fritz, B.; Hünig, R.; Guttmann, M.; Schneider, M.; Reza, K. M. S.; Salomon, O.; Jackson, P.; Powalla, M.; Lemmer, U.; Gomard, G.
2020. Solar energy, 201, 666–673. doi:10.1016/j.solener.2020.03.020

Fritz, B.; Hünig, R.; Guttmann, M.; Schneider, M.; Reza, K. M. S.; Salomon, O.; Jackson, P.; Powalla, M.; Lemmer, U.; Gomard, G.
2020. Solar energy, 201, 666–673. doi:10.1016/j.solener.2020.03.020

Highly Efficient and Water-Stable Lead Halide Perovskite Quantum Dots Using Superhydrophobic Aerogel Inorganic Matrix for White Light-Emitting Diodes 
Li, Z.; Song, C.; Li, J.; Liang, G.; Rao, L.; Yu, S.; Ding, X.; Tang, Y.; Yu, B.; Ou, J.; Lemmer, U.; Gomard, G.
2020. Advanced materials technologies, 5 (2), Article: 1900941. doi:10.1002/admt.201900941

Li, Z.; Song, C.; Li, J.; Liang, G.; Rao, L.; Yu, S.; Ding, X.; Tang, Y.; Yu, B.; Ou, J.; Lemmer, U.; Gomard, G.
2020. Advanced materials technologies, 5 (2), Article: 1900941. doi:10.1002/admt.201900941

2019
Enhanced color conversion of quantum dots - polymer hybrid films in light emitting diodes 
Yu, S.; Fritz, B.; Theobald, D.; Wu, K.; Johnsen, S.; Busko, D.; Richards, B. S.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Holscher, H.; Gomard, G.
2019. 20th International Conference on Electronic Packaging Technology (ICEPT 2019), 1–4, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/ICEPT47577.2019.245231

Yu, S.; Fritz, B.; Theobald, D.; Wu, K.; Johnsen, S.; Busko, D.; Richards, B. S.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Holscher, H.; Gomard, G.
2019. 20th International Conference on Electronic Packaging Technology (ICEPT 2019), 1–4, Institute of Electrical and Electronics Engineers (IEEE). doi:10.1109/ICEPT47577.2019.245231

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

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

Enhanced Photoluminescence in Quantum Dots–Porous Polymer Hybrid Films Fabricated by Microcellular Foaming 
Yu, S.; Fritz, B.; Johnsen, S.; Busko, D.; Richards, B. S.; Hippler, M.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Hölscher, H.; Gomard, G.
2019. Advanced optical materials, 7 (12), Article no: 1900223. doi:10.1002/adom.201900223

Yu, S.; Fritz, B.; Johnsen, S.; Busko, D.; Richards, B. S.; Hippler, M.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Hölscher, H.; Gomard, G.
2019. Advanced optical materials, 7 (12), Article no: 1900223. doi:10.1002/adom.201900223

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

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

Microlens arrays with adjustable aspect ratio fabricated by electrowetting and their application to correlated color temperature tunable light-emitting diodes 
Chen, J.; Fritz, B.; Liang, G.; Ding, X.; Lemmer, U.; Gomard, G.
2019. Optics express, 27 (4), A25-A38. doi:10.1364/OE.27.000A25

Chen, J.; Fritz, B.; Liang, G.; Ding, X.; Lemmer, U.; Gomard, G.
2019. Optics express, 27 (4), A25-A38. doi:10.1364/OE.27.000A25

Foamed polymer/quantum dots composite films with enhanced photoluminescence efficiency 
Yu, S.; Fritz, B.; Theobald, D.; Johnsen, S.; Busko, D.; Richards, B. S.; Hippler, M.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Hölscher, H.; Gomard, G.
2019. Optical Devices and Materials for Solar Energy and Solid-State Lighting : part of OSA Advanced Photonics Congress, Burlingame, CA, July 29 - August 2, 2019. Part F136-PVLED 2019, Optica Publishing Group (OSA). doi:10.1364/PVLED.2019.PT2C.4

Yu, S.; Fritz, B.; Theobald, D.; Johnsen, S.; Busko, D.; Richards, B. S.; Hippler, M.; Wiegand, G.; Tang, Y.; Li, Z.; Lemmer, U.; Hölscher, H.; Gomard, G.
2019. Optical Devices and Materials for Solar Energy and Solid-State Lighting : part of OSA Advanced Photonics Congress, Burlingame, CA, July 29 - August 2, 2019. Part F136-PVLED 2019, Optica Publishing Group (OSA). doi:10.1364/PVLED.2019.PT2C.4

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

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

Nano-scale surface steps as the origin of friction anisotropy of snake scales 
Wu, W.; Yu, S.; Greiner, C.; Gomard, G.; Hölscher, H.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Oberflächenphysik (2019), Regensburg, Deutschland, 31. März–5. April 2019

Wu, W.; Yu, S.; Greiner, C.; Gomard, G.; Hölscher, H.
2019. DPG-Frühjahrstagung der Sektion Kondensierte Materie (SKM), Fachverband Oberflächenphysik (2019), Regensburg, Deutschland, 31. März–5. April 2019
2018
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

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

Enhanced color conversion efficiency of remote phosphor-converted light-emitting diodes using micro-concavity arrays 
Yu, S.; Chen, J.; Tang, Y.; Li, Z.; Yu, B.; Lemmer, U.; Gomard, G.
2018. Organic Electronics and Photonics: Fundamentals and Devices, Strasbourg, F, 22–26, 2018, 52, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2319151

Yu, S.; Chen, J.; Tang, Y.; Li, Z.; Yu, B.; Lemmer, U.; Gomard, G.
2018. Organic Electronics and Photonics: Fundamentals and Devices, Strasbourg, F, 22–26, 2018, 52, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2319151

Simulation of light scattering in clusters of nonspherical nanoparticles: an adapted T-matrix approach 
Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2018. Nanophotonics, Strasbourg, France, 22–26 April 2018, 82, SPIE. doi:10.1117/12.2305921

Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2018. Nanophotonics, Strasbourg, France, 22–26 April 2018, 82, SPIE. doi:10.1117/12.2305921

Inkjet-printed internal light extraction layers for organic light emitting diodes 
Eiselt, T.; Preinfalk, J. B.; Bittkau, K.; Gomard, G.; Hanemann, T.; Lemmer, U.
2018. Flexible and printed electronics, 3 (1), Art.Nr. 015007. doi:10.1088/2058-8585/aaa37b

Eiselt, T.; Preinfalk, J. B.; Bittkau, K.; Gomard, G.; Hanemann, T.; Lemmer, U.
2018. Flexible and printed electronics, 3 (1), Art.Nr. 015007. doi:10.1088/2058-8585/aaa37b

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

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

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

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

Characterization of the microscopic tribological properties of sandfish (Scincus scincus) scales by atomic force microscopy 
Wu, W.; Lutz, C.; Mersch, S.; Thelen, R.; Greiner, C.; Gomard, G.; Hölscher, H.
2018. Beilstein journal of nanotechnology, 9, 2618–2627. doi:10.3762/bjnano.9.243

Wu, W.; Lutz, C.; Mersch, S.; Thelen, R.; Greiner, C.; Gomard, G.; Hölscher, H.
2018. Beilstein journal of nanotechnology, 9, 2618–2627. doi:10.3762/bjnano.9.243

Patterned photovoltaic absorbers harvest sunlight better: Advancements in disordered nanophotonics and fabrication techniques could lead to enhanced photovoltaic cells 
Gomard, G.
2018. Photonics Spectra, 52 (7), 58–62

Gomard, G.
2018. Photonics Spectra, 52 (7), 58–62
Patterned photovoltaic absorbers harvest sunlight better 
Gomard, G.
2018. Photonics spectra, 52 (7), 58–62

Gomard, G.
2018. Photonics spectra, 52 (7), 58–62
Light trapping in thin film silicon solar cells via phase separated disordered nanopillars 
Donie, Y. J.; Smeets, M.; Egel, A.; Lentz, F.; Preinfalk, J. B.; Mertens, A.; Smirnov, V.; Lemmer, U.; Bittkau, K.; Gomard, G.
2018. Nanoscale, 10 (14), 6651–6659. doi:10.1039/C8NR00455B

Donie, Y. J.; Smeets, M.; Egel, A.; Lentz, F.; Preinfalk, J. B.; Mertens, A.; Smirnov, V.; Lemmer, U.; Bittkau, K.; Gomard, G.
2018. Nanoscale, 10 (14), 6651–6659. doi:10.1039/C8NR00455B

Cloaking of metal grid electrodes on Lambertian emitters by free-form refractive surfaces 
Schumann, M. F.; Fritz, B.; Eckstein, R.; Lemmer, U.; Gomard, G.; Wegener, M.
2018. Optics letters, 43 (3), 527–530. doi:10.1364/OL.43.000527

Schumann, M. F.; Fritz, B.; Eckstein, R.; Lemmer, U.; Gomard, G.; Wegener, M.
2018. Optics letters, 43 (3), 527–530. doi:10.1364/OL.43.000527

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

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

2017
Self-Cleaning Microcavity Array for Photovoltaic Modules 
Vüllers, F.; Fritz, B.; Roslizar, A.; Striegel, A.; Guttmann, M.; Richards, B. S.; Hölscher, H.; Gomard, G.; Klampaftis, E.; Kavalenka, M. N.
2017. ACS applied materials & interfaces, 10 (3), 2929–2936. doi:10.1021/acsami.7b15579

Vüllers, F.; Fritz, B.; Roslizar, A.; Striegel, A.; Guttmann, M.; Richards, B. S.; Hölscher, H.; Gomard, G.; Klampaftis, E.; Kavalenka, M. N.
2017. ACS applied materials & interfaces, 10 (3), 2929–2936. doi:10.1021/acsami.7b15579

Replicated petal surfaces as light-harvesting layers for photovoltaics: the role of structural disorder 
Fritz, B.; Hünig, R.; Schmager, R.; Hetterich, M.; Lemmer, U.; Gomard, G.
2017. 644. WE-Heraeus-Seminar

Fritz, B.; Hünig, R.; Schmager, R.; Hetterich, M.; Lemmer, U.; Gomard, G.
2017. 644. WE-Heraeus-Seminar
Numerical analysis of structural disorder effects for the design of plant-inspired light harvesting coatings 
Fritz, B.; Hünig, R.; Schmager, R.; Hetterich, M.; Lemmer, U.; Gomard, G.
2017. European Materials Research Society (E-MRS)

Fritz, B.; Hünig, R.; Schmager, R.; Hetterich, M.; Lemmer, U.; Gomard, G.
2017. European Materials Research Society (E-MRS)
Numerical analysis of structural disorder effects for the design of plant-inspired light harvesting coatings 
Fritz, B.; Huenig, R.; Schmager, R.; Hetterich, M.; Lemmer, U.; Gomard, G.
2017. Spring School: Tailored Disorder, Karlsruher Institut für Technologie (KIT)

Fritz, B.; Huenig, R.; Schmager, R.; Hetterich, M.; Lemmer, U.; Gomard, G.
2017. Spring School: Tailored Disorder, Karlsruher Institut für Technologie (KIT)
Screen-printed internal extraction layers based on scattering polymer/nanoparticle composites for OLEDs 
Preinfalk, J. B.; Eiselt, T.; Wehlus, T.; Rohnacher, V.; Hanemann, T.; Gomard, G.; Lemmer, U.
2017. Solid-State Lighting, SSL 2017, Boulder; United States, 6th - 9th November 2017, Optica Publishing Group (OSA). doi:10.1364/SSL.2017.SW2C.4

Preinfalk, J. B.; Eiselt, T.; Wehlus, T.; Rohnacher, V.; Hanemann, T.; Gomard, G.; Lemmer, U.
2017. Solid-State Lighting, SSL 2017, Boulder; United States, 6th - 9th November 2017, Optica Publishing Group (OSA). doi:10.1364/SSL.2017.SW2C.4

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

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

Bioinspired phase-separated disordered nanostructures for thin photovoltaic absorbers 
Siddique, R. H.; Donie, Y. J.; Gomard, G.; Yalamanchili, S.; Merdzhanova, T.; Lemmer, U.; Hölscher, H.
2017. Science advances, 3 (10), e1700232. doi:10.1126/sciadv.1700232

Siddique, R. H.; Donie, Y. J.; Gomard, G.; Yalamanchili, S.; Merdzhanova, T.; Lemmer, U.; Hölscher, H.
2017. Science advances, 3 (10), e1700232. doi:10.1126/sciadv.1700232

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

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

Plane-wave coupling formalism for T-matrix simulations of light scattering by nonspherical particles 
Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2017. Physical review / A, 96 (3), Art. Nr. 033822. doi:10.1103/PhysRevA.96.033822

Theobald, D.; Egel, A.; Gomard, G.; Lemmer, U.
2017. Physical review / A, 96 (3), Art. Nr. 033822. doi:10.1103/PhysRevA.96.033822

Extending the applicability of the T-matrix method to light scattering by flat particles on a substrate via truncation of sommerfeld integrals 
Egel, A.; Eremin, Y.; Wriedt, T.; Theobald, D.; Lemmer, U.; Gomard, G.
2017. Journal of quantitative spectroscopy & radiative transfer, 202, 279–285. doi:10.1016/j.jqsrt.2017.08.016

Egel, A.; Eremin, Y.; Wriedt, T.; Theobald, D.; Lemmer, U.; Gomard, G.
2017. Journal of quantitative spectroscopy & radiative transfer, 202, 279–285. doi:10.1016/j.jqsrt.2017.08.016

Bio-inspired, large scale, highly-scattering films for nanoparticle-alternative white surfaces 
Syurik, J.; Siddique, R. H.; Dollmann, A.; Gomard, G.; Schneider, M.; Worgull, M.; Wiegand, G.; Hölscher, H.
2017. Scientific reports, 7, Art. Nr.: 46637. doi:10.1038/srep46637

Syurik, J.; Siddique, R. H.; Dollmann, A.; Gomard, G.; Schneider, M.; Worgull, M.; Wiegand, G.; Hölscher, H.
2017. Scientific reports, 7, Art. Nr.: 46637. doi:10.1038/srep46637

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

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

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

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

Large-Area Screen-Printed Internal Extraction Layers for Organic Light-Emitting Diodes 
Preinfalk, J. B.; Eiselt, T.; Wehlus, T.; Rohnacher, V.; Hanemann, T.; Gomard, G.; Lemmer, U.
2017. ACS photonics, 4 (4), 928–933. doi:10.1021/acsphotonics.6b01027

Preinfalk, J. B.; Eiselt, T.; Wehlus, T.; Rohnacher, V.; Hanemann, T.; Gomard, G.; Lemmer, U.
2017. ACS photonics, 4 (4), 928–933. doi:10.1021/acsphotonics.6b01027

Accurate optical simulation of nano-particle based internal scattering layers for light outcoupling from organic light emitting diodes 
Egel, A.; Gomard, G.; Kettlitz, S. W.; Lemmer, U.
2017. Journal of optics, 19 (2), Art. Nr. 025605. doi:10.1088/2040-8986/aa5523

Egel, A.; Gomard, G.; Kettlitz, S. W.; Lemmer, U.
2017. Journal of optics, 19 (2), Art. Nr. 025605. doi:10.1088/2040-8986/aa5523

2016
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

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

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

Development and characterization of high refractive index and high scattering acrylate polymer layers 
Eiselt, T.; Gomard, G.; Preinfalk, J.; Gleißner, U.; Lemmer, U.; Hanemann, T.
2016. Optical engineering, 55 (11), Art. Nr. 117106. doi:10.1117/1.OE.55.11.117106

Eiselt, T.; Gomard, G.; Preinfalk, J.; Gleißner, U.; Lemmer, U.; Hanemann, T.
2016. Optical engineering, 55 (11), Art. Nr. 117106. doi:10.1117/1.OE.55.11.117106

Light Management in Thin Film Solar Cells using Internal Scattering Layers made by Polymer Blend Lithography 
Donie, Y. J.; Smeets, M.; Smirnov, V.; Preinfalk, J. B.; Egel, A.; Lemmer, U.; Bittkau, K.; Gomard, G.
2016. Optical Nanostructures and Advanced Materials for Photovoltaics 2016, Leipzig, 14.-17. November 2016, PTh2A.6, Optica Publishing Group (OSA). doi:10.1364/PV.2016.PTh2A.6

Donie, Y. J.; Smeets, M.; Smirnov, V.; Preinfalk, J. B.; Egel, A.; Lemmer, U.; Bittkau, K.; Gomard, G.
2016. Optical Nanostructures and Advanced Materials for Photovoltaics 2016, Leipzig, 14.-17. November 2016, PTh2A.6, Optica Publishing Group (OSA). doi:10.1364/PV.2016.PTh2A.6

Accurate Modeling of Outcoupling from OLEDs: Volumetric versus Flat Internal Scattering Layers 
Egel, A.; Theobald, D.; Donie, Y. J.; Preinfalk, J. B.; Gomard, G.; Lemmer, U.
2016. Solid-State Lighting 2016, Leipzig, 14.-17. November 2016, SSW2D.3, Optica Publishing Group (OSA). doi:10.1364/SSL.2016.SSW2D.3

Egel, A.; Theobald, D.; Donie, Y. J.; Preinfalk, J. B.; Gomard, G.; Lemmer, U.
2016. Solid-State Lighting 2016, Leipzig, 14.-17. November 2016, SSW2D.3, Optica Publishing Group (OSA). doi:10.1364/SSL.2016.SSW2D.3

Light scattering by oblate particles near planar interfaces: on the validity of the T-matrix approach 
Egel, A.; Theobald, D.; Donie, Y.; Lemmer, U.; Gomard, G.
2016. Optics express, 24 (22), 25154–25168. doi:10.1364/OE.24.025154

Egel, A.; Theobald, D.; Donie, Y.; Lemmer, U.; Gomard, G.
2016. Optics express, 24 (22), 25154–25168. doi:10.1364/OE.24.025154

Bioinspired Superhydrophobic Highly Transmissive Films for Optical Applications 
Vüllers, F.; Gomard, G.; Preinfalk, J. B.; Klampaftis, E.; Worgull, M.; Richards, B.; Hölscher, H.; Kavalenka, M. N.
2016. Small. doi:10.1002/smll.201601443

Vüllers, F.; Gomard, G.; Preinfalk, J. B.; Klampaftis, E.; Worgull, M.; Richards, B.; Hölscher, H.; Kavalenka, M. N.
2016. Small. doi:10.1002/smll.201601443

Photon management in solution-processed organic light-emitting diodes : a review of light outcoupling micro- and nanostructures 
Gomard, G.; Preinfalk, J. B.; Egel, A.; Lemmer, U.
2016. Journal of photonics for energy, 6 (3), 030901. doi:10.1117/1.JPE.6.030901

Gomard, G.; Preinfalk, J. B.; Egel, A.; Lemmer, U.
2016. Journal of photonics for energy, 6 (3), 030901. doi:10.1117/1.JPE.6.030901

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

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

Development and characterization of high refractive index and high scattering acrylate polymer layers 
Eiselt, T.; Gomard, G.; Preinfalk, J.; Gleissner, U.; Lemmer, U.; Hanemann, T.
2016. Micro Optics 2016 : Proceedings of Photonics Europe, Bruxelles, B, April 3-7, 2016. Ed.: H. Thienpont, 98880Q, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2227327

Eiselt, T.; Gomard, G.; Preinfalk, J.; Gleissner, U.; Lemmer, U.; Hanemann, T.
2016. Micro Optics 2016 : Proceedings of Photonics Europe, Bruxelles, B, April 3-7, 2016. Ed.: H. Thienpont, 98880Q, Society of Photo-optical Instrumentation Engineers (SPIE). doi:10.1117/12.2227327

Development and characterization of high refractive index and high scattering acrylate polymer layers 
Eiselt, T.; Gomard, G.; Preinfalk, J.; Gleissner, U.; Lemmer, U.; Hanemann, T.
2016. Photonics Europe, Bruxelles, B, April 3-7, 2016

Eiselt, T.; Gomard, G.; Preinfalk, J.; Gleissner, U.; Lemmer, U.; Hanemann, T.
2016. Photonics Europe, Bruxelles, B, April 3-7, 2016
Optoelectrical improvement of ultra-thin Cu(In,Ga)Se₂ solar cells through microstructured MgF₂ and Al₂O₃ back contact passivation layer 
Casper, P.; Hünig, R.; Gomard, G.; Kiowski, O.; Reitz, C.; Lemmer, U.; Powalla, M.; Hetterich, M.
2016. Physica status solidi / Rapid research letters, 10 (5), 376–380. doi:10.1002/pssr.201600018

Casper, P.; Hünig, R.; Gomard, G.; Kiowski, O.; Reitz, C.; Lemmer, U.; Powalla, M.; Hetterich, M.
2016. Physica status solidi / Rapid research letters, 10 (5), 376–380. doi:10.1002/pssr.201600018

Tuning the Microcavity of Organic Light Emitting Diodes by Solution Processable Polymer-Nanoparticle Composite Layers 
Preinfalk, J. B.; Schackmar, F. R.; Lampe, T.; Egel, A.; Schmidt, T. D.; Brütting, W.; Gomard, G.; Lemmer, U.
2016. ACS Applied Materials and Interfaces, 8 (4), 2666–2672. doi:10.1021/acsami.5b10717

Preinfalk, J. B.; Schackmar, F. R.; Lampe, T.; Egel, A.; Schmidt, T. D.; Brütting, W.; Gomard, G.; Lemmer, U.
2016. ACS Applied Materials and Interfaces, 8 (4), 2666–2672. doi:10.1021/acsami.5b10717

2015
Single-pass and omniangle light extraction from light-emitting diodes using transformation optics 
Schumann, M. F.; Abass, A.; Gomard, G.; Wiesendanger, S.; Lemmer, U.; Wegener, M.; Rockstuhl, C.
2015. Optics letters, 40 (23), 5626–5629. doi:10.1364/OL.40.005626

Schumann, M. F.; Abass, A.; Gomard, G.; Wiesendanger, S.; Lemmer, U.; Wegener, M.; Rockstuhl, C.
2015. Optics letters, 40 (23), 5626–5629. doi:10.1364/OL.40.005626

The role of random nanostructures for the omnidirectional anti-reflection properties of the glasswing butterfly 
Siddique, R. H.; Gomard, G.; Hölscher, H.
2015. Nature Communications, 6, 6909/1–8. doi:10.1038/ncomms7909

Siddique, R. H.; Gomard, G.; Hölscher, H.
2015. Nature Communications, 6, 6909/1–8. doi:10.1038/ncomms7909

2014
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

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
