This project aims to advance optical materials for photovoltaics and photonics, with textures on nanometer scales. To do this, we perform rigorous 3D simulations for functional systems and components. The project is a cooperation within the Joint Lab BerOSE which is a laboratory shared by Helmholtz-Zentrum Berlin für Materialien und Energie GmbH (HZB), Freie Universität Berlin (FU) and Zuse Institute Berlin (ZIB). The project profits from the combination of the backgrounds of the various partner institutions in experimental, theoretical and computational research. Specific structures of interest are thin-film silicon photovoltaic cells, multi-junction devices, large-area 2D photonic crystals for sensing applications, and others.

Publications

2023
Comparative Optical Analysis of Imprinted Nano-, Micro- and Biotextures on Solar Glasses for Increased Energy Yield Solar RRL, Vol.7, p. 2300071, 2023 Danbi Yoo, Peter Tillmann, Tobias Krauss, Johannes Sutter, Angelika Harter, Sergei Trofimov, Boris Naydenov, Klaus Jäger, Hubert Hauser, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Optical Simulations of Perovskite/Perovskite Tandem Solar Cells Integrated Photonics Research, Silicon and Nanophotonics, p. JM4D.3, Optica Technical Digest Series, 2023 Klaus Jäger, Sebastian Berwig, Jona Kurpiers, Fengjiu Yang, Philipp Tockhorn, Steve Albrecht, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Optimizing bifacial tandem solar cells for realistic operation conditions Doctoral thesis, Freie Universität Berlin, Christof Schütte, Christiane Becker (Advisors), 2023 Peter Tillmann BibTeX
DOI
Joint Lab BerOSE
2022
Elementary, my dear Zernike: model order reduction for accelerating optical dimensional microscopy EPJ Web Conf., p. 10010, Vol.266, 2022 Phillip Manley, Jan Krüger, Lin Zschiedrich, Martin Hammerschmidt, Bernd Bodermann, Rainer Köning, Philipp-Immanuel Schneider BibTeX
DOI
Joint Lab BerOSE
Improving perovskite/silicon tandem solar cells with optical simulations Proc. SPIE, p. PC1215001, Vol.PC12150, 2022 Klaus Jäger, Johannes Sutter, Philipp Tockhorn, Martin Hammerschmidt, Philipp-Immanuel Schneider, Steve Albrecht, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Model-Chain Validation for Estimating the Energy Yield of Bifacial Perovskite/Silicon Tandem Solar Cells Sol. RRL, Vol.6, p. 2200079, 2022 Peter Tillmann, Klaus Jäger, Asher Karsenti, Lev Kreinin, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Nanooptically Enhanced Perovskite/Silicon Tandem Solar Cells with 29.80% Power Conversion Efficiency OSA Adv. Photonics, p. JTu4H.2, OSA Technical Digest, 2022 Philipp Tockhorn, Johannes Sutter, Alexandros Cruz, Philipp Wagner, Klaus Jäger, Danbi Yoo, Felix Lang, Max Grischek, Bor Li, Amran Al-Ashouri, Eike Köhnen, Martin Stolterfoht, Dieter Neher, Rutger Schlatmann, Bernd Rech, Bernd Stannowski, Steve Albrecht, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Tripling the light extraction efficiency of a deep ultraviolet LED using a nanostructured p-contact Sci. Rep., Vol.12, p. 11480, 2022 Eduardo Lopez-Fraguas, Felix Binkowski, Sven Burger, Sylvia Hagedorn, Braulio Garcia-Camara, Ricardo Vergaz, Christiane Becker, Phillip Manley BibTeX
DOI
Joint Lab BerOSE
2021
Double-layer metasurface for enhanced photon up-conversion APL Photon., Vol.6, p. 036103, 2021 Phillip Manley, Michele Segantini, Doguscan Ahiboz, Martin Hammerschmidt, Georgios Arnaoutakis, Rowan W. MacQueen, Sven Burger, Christiane Becker BibTeX
DOI
arXiv
Joint Lab BerOSE
Enhanced Photon Upconversion Using Erbium-Doped Nanoparticles Interacting with Silicon Metasurfaces IEEE 48th Photovoltaic Specialists Conference (PVSC), pp. 2008-2010, 2021 Doguscan Ahiboz, Elina Andresen, Phillip Manley, Ute Resch Genger, Christian Würth, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Metasurface-Enhanced Photon Upconversion upon 1550 nm Excitation Adv. Opt. Mater., Vol.9, p. 2101285, 2021 Doguscan Ahiboz, Elina Andresen, Phillip Manley, Ute Resch-Genger, Christian Würth, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Nanophotonics for Solar Energy Sol. Energy Mater. Sol. Cells, Vol.221, p. 110916, 2021 Christiane Becker, Klaus Jäger, Sven Burger BibTeX
DOI
Joint Lab BerOSE
Optical simulations of nanotextured perovskite/silicon tandem solar cell HZB Data Service, 2021 Klaus Jäger, Johannes Sutter, Philipp-Immanuel Schneider, Martin Hammerschmidt, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Optimizing metal grating back reflectors for III-V-on-silicon multijunction solar cells Opt. Express, Vol.29, p. 22517, 2021 Peter Tillmann, Benedikt Bläsi, Sven Burger, Martin Hammerschmidt, Oliver Höhn, Christiane Becker, Klaus Jäger BibTeX
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Joint Lab BerOSE
Perovskite/silicon tandem solar cells: Effect of luminescent coupling and bifaciality Sol. RRL, Vol.5, p. 2000628, 2021 Klaus Jäger, Peter Tillmann, Eugene A. Katz, Christiane Becker BibTeX
arXiv
DOI
Joint Lab BerOSE
Relaxed current-matching constraints by bifacial operation and luminescent coupling in perovskite/silicon tandem solar cells 2021 IEEE 48th Photovoltaic Specialists Conference (PVSC), p. 1086, 2021 Peter Tillmann, Klaus Jäger, Eugene Katz, Christiane Becker BibTeX
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Joint Lab BerOSE
2020
Detailed illumination model for bifacial solar cells Opt. Express, Vol.28, p. 4751, 2020 Klaus Jäger, Peter Tillmann, Christiane Becker BibTeX
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Joint Lab BerOSE
Field Heterogeneities and Their Impact on Photocatalysis: Combining Optical and Kinetic Monte Carlo Simulations on the Nanoscale J. Phys. Chem. C, Vol.124, p. 3177, 2020 (preprint available as ZIB-Report 17-20) Martin Hammerschmidt, Sandra Döpking, Sven Burger, Sebastian Matera PDF (ZIB-Report)
BibTeX
DOI
Joint Lab BerOSE
Metasurface enhanced sensitized photon upconversion: towards highly efficient low power upconversion applications and nano-scale E-field sensors Nano Lett., Vol.20, p. 6682, 2020 Christian Würth, Phillip Manley, Robert Voigt, Doguscan Ahiboz, Christiane Becker, Ute Resch-Genger BibTeX
DOI
Joint Lab BerOSE
Minimising levelised cost of electricity of bifacial solar panel arrays using Bayesian optimisation Sustain. Energy Fuels, Vol.4, p. 254, 2020 Peter Tillmann, Klaus Jäger, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Nanopatterned Sapphire Substrates in Deep-UV LEDs: Is there an Optical Benefit? Opt. Express, Vol.28, p. 3619, 2020 Phillip Manley, Sebastian Walde, Sylvia Hagedorn, Martin Hammerschmidt, Sven Burger, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Simulating bifacial perovskite/silicon tandem solar cells in large PV fields OSA Advanced Photonics Congress, p. PvTh1G.3, OSA Technical Digest, 2020 Klaus Jäger, Peter Tillmann, Eugene A. Katz, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
2019
Development of Titanium Dioxide Metasurfaces and Nanosoupbowls for Optically Enhancing Silicon Photocathodes Doctoral thesis, Humboldt-Universität zu Berlin, Martina Schmid (Advisor), 2019 Gauri Mangalgiri BibTeX
DOI
Joint Lab BerOSE
Improving Monolithic Perovskite/Silicon Tandem Solar Cells From an Optical Viewpoint OSA Advanced Photonics Congress, p. PM4C.2, OSA Technical Digest, 2019 Klaus Jäger, Marko Jošt, Johannes Sutter, Philipp Tockhorn, Eike Köhnen, David Eisenhauer, Phillip Manley, Steve Albrecht, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Nanooptische Simulationen für optoelektronische Anwendungen Photonik: Fachzeitschrift für die optischen Technologien, 2019(2), pp. 42-45, 2019 Christiane Becker, Sven Burger, Klaus Jäger BibTeX
Joint Lab BerOSE
Nanophotonic Enhancement of Light Out-Coupling for Deep-UV LEDs The 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019), Said Zhoudi, Antonio Topa (Eds.), p. 745, 2019 Phillip Manley, Martin Hammerschmidt, Sven Burger, Christiane Becker BibTeX
Joint Lab BerOSE
Nanophotonic enhanced perovskite-silicon solar cell devices The 10th International Conference on Metamaterials, Photonic Crystals and Plasmonics (META 2019), Said Zhoudi, Antonio Topa (Eds.), p. 858, 2019 Christiane Becker, Phillip Manley, Klaus Jäger, David Eisenhauer, Johannes Sutter, Steve Albrecht, Kaibo Zheng, Tonu Pullerits, Sven Burger BibTeX
Joint Lab BerOSE
2018
Absorption Enhancement for Ultra-Thin Solar Fuel Devices with Plasmonic Gratings ACS Appl. Energy Mater., Vol.1, p. 5810, 2018 Phillip Manley, Fatwa F. Abdi, Sean P. Berglund, A. T. M. Nazmul Islam, Sven Burger, Roel van de Krol, Martina Schmid BibTeX
DOI
arXiv
Joint Lab BerOSE
Analysis of photonic crystals for interaction with near-surface emitters Doctoral thesis, Technische Universität Berlin, Bernd Rech, Christiane Becker (Advisors), 2018 Carlo Barth BibTeX
DOI
Joint Lab BerOSE
Antireflective nanotextures for monolithic perovskite-silicon tandem solar cells Proc. SPIE, Vol.10688, p. 106880A, 2018 Klaus Jäger, Phillip Manley, Duote Chen, Philipp Tockhorn, David Eisenhauer, Grit Köppel, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker BibTeX
DOI
arXiv
Joint Lab BerOSE
Efficient determination of bespoke optically active nanoparticle distributions J. Opt., Vol.20, p. 085003, 2018 Phillip Manley, Min Song, Sven Burger, Martina Schmid BibTeX
DOI
arXiv
Joint Lab BerOSE
Light management with sinusoidal nanotextures Light, Energy and the Environment 2018, p. OT5C.5, OSA Technical Digest, 2018 Klaus Jäger, Phillip Manley, David Eisenhauer, Philipp Tockhorn, Johannes Sutter, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Machine learning classification for field distributions of photonic modes Commun. Phys., Vol.1, p. 58, 2018 Carlo Barth, Christiane Becker BibTeX
DOI
arXiv
Joint Lab BerOSE
Nanophotonic Light Management for Perovskite-Silicon Tandem Solar Cells J. Photonics Energy, Vol.8, p. 022601, 2018 Duote Chen, Phillip Manley, Philipp Tockhorn, David Eisenhauer, Grit Köppel, Martin Hammerschmidt, Sven Burger, Steve Albrecht, Christiane Becker, Klaus Jäger BibTeX
DOI
arXiv
Joint Lab BerOSE
Nanophotonic enhanced two-photon excited photoluminescence of perovskite quantum dots ACS Photonics, Vol.5, p. 4668, 2018 Christiane Becker, Sven Burger, Carlo Barth, Phillip Manley, Klaus Jäger, David Eisenhauer, Grit Köppel, Pavel Chabera, Junsheng Chen, Kaibo Zheng, Tönu Pullerits BibTeX
DOI
arXiv
Joint Lab BerOSE
On accurate simulations of thin-film solar cells with a thick glass superstrate Opt. Express, Vol.26, p. A99, 2018 Klaus Jäger, Grit Köppel, Martin Hammerschmidt, Sven Burger, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Optimization of nanostructured high efficiency perovskite/c-Si tandem solar cells via numerical simulation Proc. SPIE, p. 107310B, Vol.10731, 2018 Phillip Manley, Klaus Jäger, Philipp Tockhorn, Sven Burger, Steve Albrecht, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Rigorous wave-optical treatment of photon recycling in thermodynamics of photovoltaics: Perovskite thin-film solar cells Phys. Rev. B, Vol.98, p. 075141, 2018 Muluneh G. Abebe, Aimi Abass, Guillaume Gomard, Lin Zschiedrich, Uli Lemmer, Bryce S. Richards, Carsten Rockstuhl, Ulrich W. Paetzold BibTeX
DOI
arXiv
Joint Lab BerOSE
2017
Accurate optical simulations of periodic nanostructures on a thick glass substrate 29th Workshop on Quantum Solar Energy Conversion - (QUANTSOL), 2017 Klaus Jäger, Grit Köppel, Martin Hammerschmidt, Sven Burger, Christiane Becker PDF
BibTeX
Joint Lab BerOSE
Highly Transmittive Broadband Dielectric Nanoholes CLEO, p. JTu5A.117, OSA Tech. Dig., 2017 Gauri Mangalgiri, Makars Šiškins, Alina Arslanova, Martin Hammerschmidt, Phillip Manley, Wiebke Riedel, Martina Schmid BibTeX
DOI
Joint Lab BerOSE
Increased fluorescence of PbS quantum dots in photonic crystals by excitation enhancement Appl. Phys. Lett., Vol.111, p. 031111, 2017 Carlo Barth, Sebastian Roder, Daniel Brodoceanu, Tobias Kraus, Martin Hammerschmidt, Sven Burger, Christiane Becker BibTeX
DOI
arXiv
Joint Lab BerOSE
Optical simulations of advanced light management for liquid-phase crystallized silicon thin-film solar cells Proc. SPIE, Vol.10356, p. 103560F, 2017 Klaus Jäger, Grit Köppel, David Eisenhauer, Duote Chen, Martin Hammerschmidt, Sven Burger, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Smooth anti-reflective three-dimensional textures for liquid phase crystallized silicon thin-film solar cells on glass Sci. Rep., Vol.7, p. 2658, 2017 David Eisenhauer, Grit Köppel, Klaus Jäger, Duote Chen, Oleksandra Shargaieva, Paul Sonntag, Daniel Armkreutz, Bernd Rech, Christiane Becker BibTeX
arXiv
DOI
Joint Lab BerOSE
Thermodynamics of Photon Recycling in Four Terminal Perovskite/si Tandem Solar Cells Optical Nanostructures and Advanced Materials for Photovoltaics, p. PM4A.2, 2017 Muluneh G. Abebe, Guillaume Gomard, Lin Zschiedrich, Carsten Rockstuhl, Ulrich W. Paetzold, Aimi Abass BibTeX
DOI
Joint Lab BerOSE
2016
Determining 2D photonic crystal geometries from reflectance spectra with a reduced basis method Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM), p. 281, 2016, ISBN: 978-1-5108-4796-5 Martin Hammerschmidt, Carlo Barth, Sven Burger, Christiane Becker, Frank Schmidt BibTeX
Joint Lab BerOSE
Increased fluorescence of PbS quantum dots on photonic crystal slab structures Proc. Europ. Opt. Soc. Ann. Meet. 2016 (EOSAM), p. 181, 2016, ISBN: 978-1-5108-4796-5 Carlo Barth, Sebastian Roder, Daniel Brodoceanu, Tobias Kraus, Sven Burger, Martin Hammerschmidt, Frank Schmidt, Christiane Becker BibTeX
Joint Lab BerOSE
Numerical characterization of symmetry properties for photonic crystals with hexagonal lattice Proc. SPIE, Vol.9885, p. 988506, 2016 Carlo Barth, Jürgen Probst, Sven Herrmann, Martin Hammerschmidt, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
On Accurate Simulations of Thin-Film Solar Cells With a Thick Glass Superstrate Light, Energy and the Environment 2016, p. PM3B.5, OSA Technical Digest, 2016 Klaus Jäger, Martin Hammerschmidt, Grit Köppel, Sven Burger, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Optical Properties of Smooth Anti-reflective Three-dimensional Textures for Silicon Thin-film Solar Cells Energy Procedia, Vol.102, pp. 27-35, 2016 David Eisenhauer, Klaus Jäger, Grit Köppel, Bernd Rech, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Optical simulation of complex nanostructured solar cells with a reduced basis method Doctoral thesis, Freie Universität Berlin, Frank Schmidt, Bernd Rech, Ralf Kornhuber (Advisors), 2016 Martin Hammerschmidt BibTeX
URN
Joint Lab BerOSE
Reconstruction of photonic crystal geometries using a reduced basis method for nonlinear outputs Proc. SPIE, Vol.9756, p. 97561R, 2016 (preprint available as ) Martin Hammerschmidt, Carlo Barth, Jan Pomplun, Sven Burger, Christiane Becker, Frank Schmidt BibTeX
DOI
URN
Joint Lab BerOSE
Simulation of Plasmonic Nanoparticles in Thin Film Solar Cells Doctoral thesis, Freie Universität Berlin, Martina Schmid, Frank Schmidt (Advisors), 2016 Phillip Manley PDF
BibTeX
URN
Joint Lab BerOSE
Simulations of sinusoidal nanotextures for coupling light into c-Si thin-film solar cells Opt. Express, Vol.24, p. A569, 2016 Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Sinusoidal Nanotextures for Enhanced Light Management in Thin-Film Solar Cells 28th Workshop on Quantum Solar Energy Conversion - (QUANTSOL), European Society for Quantum Solar Energy Conversion (Ed.), 2016 Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker PDF
BibTeX
Joint Lab BerOSE
Sinusoidal gratings for optimized light management in c-Si thin-film solar cells Proc. SPIE, Vol.9898, p. 989808, 2016 Klaus Jäger, Grit Köppel, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Symmetry-Dependency of Anticrossing Phenomena in Slab-Type Photonic Crystals Opt. Express, Vol.24, p. 10931, 2016 Carlo Barth, Sven Burger, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
2015
Design of Photonic Crystals with Near-Surface Field Enhancement Light, Energy and the Environement 2015, p. JTu5A.9, OSA Technical Digest, 2015 Carlo Barth, Klaus Jäger, Sven Burger, Martin Hammerschmidt, Frank Schmidt, Christiane Becker BibTeX
DOI
Joint Lab BerOSE
Sinusoidal Nanotextures for Coupling Light into c-Si Thin-Film Solar Cells Light, Energy and the Environement 2015, p. PTu4B.3, OSA Technical Digest, 2015 Klaus Jäger, Carlo Barth, Martin Hammerschmidt, Sven Herrmann, Sven Burger, Frank Schmidt, Christiane Becker BibTeX
DOI
Joint Lab BerOSE