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Home Members Jäger, Klaus, Dr.

Jäger, Klaus, Dr.

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Contact

Room
2033
Phone
+49 30 84185-304
Email
Email
Division
Mathematics of Complex Systems
Department
Modeling and Simulation of Complex Processes
Group
Computational Nano Optics

Projects

Projects as Head

Color coating

Colour Impression of Solar Cells

With the growing share of photovoltaic (PV) solar energy in the global energy generation capacity, building-integrated photovoltaics (BIPV) gains increasing importance... Colour Impression of Solar Cells
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Optimizing Nanotextured Solar Cells (HEIBRIDS)

Currently, perovskite-silicon (pero-Si) tandem solar cells are the most investigated concept to overcome the theoretical limit for the power conversion efficiency of...

Optimizing Nanotextured Solar Cells (HEIBRIDS)
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Joint Lab BerOSE

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...

Joint Lab BerOSE

Publications

2024
A Roadmap on Optics for Terawatt Scale Photovoltaics Advanced Photonics Congress 2024, p. STu2G.5, Technical Digest Series (Optica Publishing Group), 2024 Klaus Jäger, Sven Burger, Urs Aeberhard, Esther Alarcon Llado, Benedikt Bläsi, Bruno Ehrler, Wilfried Favre, Antonín Fejfar, Tristan Gageot, Ivan Gordon, Henning Helmers, Oliver Höhn, Olindo Isabella, Marko Jošt, Martin Ledinský, Jyotirmoy Mandal, Phillip Manley, Delfina Munoz, Juan Camilo Ortiz Lizcano, Ulrich W. Paetzold, Aaswath P. Raman, Hitoshi Sai, Rebecca Saive, Martina Schmid, Eli Yablonovitch, Christiane Becker BibTeX
DOI
Application of nowcasting to reduce the impact of irradiance ramps on PV power plants EPJ Photovolt., Vol.15, p. 15, 2024 Jonas Schaible, Bijan Nouri, Lars Höpken, Tim Kotzab, Matthias Loevenich, Niklas Blum, Annette Hammer, Jonas Stührenberg, Klaus Jäger, Christiane Becker, Stefan Wilbert BibTeX
DOI
Modelling bifacial irradiance – Step-by-step comparison and validation of view factor and ray tracing models Appl. Energy, Vol.369, p. 123574, 2024 Marco Ernst, Charles-Alexis Asselineau, Peter Tillmann, Klaus Jäger, Christiane Becker BibTeX
DOI
Modelling luminescent coupling in multi-junction solar cells: perovskite silicon tandem case study Proc. SPIE, Vol.13014, p. 1301404, 2024 Phillip Manley, Martin Hammerschmidt, Lin Zschiedrich, Klaus Jäger, Christiane Becker, Sven Burger BibTeX
DOI
arXiv
On aesthetical appearance of colored perovskite solar modules Proc. SPIE, p. PC1301406, Vol.PC13014, 2024 Jonas Schaible, Danbi Yoo, Hanifa Winarto, Alexandra Miaskiewicz, Steve Albrecht, Andreas Wessels, Benedikt Bläsi, Sven Burger, Klaus Jaeger, Christiane Becker BibTeX
DOI
Optical Simulations of Nanotextured All-Perovskite Tandem Solar Cells Adv. Theory Simul., p. 2400724, 2024 (epub ahead of print) Klaus Jäger, Alvarjo Tejada, Sebastian Berwig, Martin Hammerschmidt, Philipp Tockhorn, Steve Albrecht, Christiane Becker BibTeX
DOI
Optical challenges for terawatt-scale photovoltaics Proc. SPIE, p. PC1301401, Vol.PC13014, 2024 Christiane Becker, Benedikt Bläsi, Sven Burger, Bruno Ehrler, Ivan Gordon, Olindo Isabella, Klaus Jäger, Marko Jost, Phillip Manley, Delfina Muñoz, Ulrich W. Paetzold, Hitoshi Sai, Eli Yablonovitch BibTeX
DOI
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
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
2022
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
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
Nano-optical designs for high-efficiency monolithic perovskite–silicon tandem solar cells Nat. Nanotechnol., Vol.17, p. 1214, 2022 Philipp Tockhorn, Johannes Sutter, Alexandros Cruz, Philipp Wagner, Klaus Jäger, Danbi Yoo, Felix Lang, Max Grischek, Bor Li, Jinzhao Li, Oleksandra Shargaieva, Eva Unger, Amran Al-Ashouri, Eike Köhnen, Martin Stolterfoth, Dieter Neher, Rutger Schlatmann, Bernd Rech, Bernd Stannowski, Steve Albrecht, Christiane Becker BibTeX
DOI
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
2021
Nanophotonics for Solar Energy Sol. Energy Mater. Sol. Cells, Vol.221, p. 110916, 2021 Christiane Becker, Klaus Jäger, Sven Burger BibTeX
DOI
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
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
DOI
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
Prospects of light management in perovskite/silicon tandem solar cells Nanophotonics, Vol.10, p. 1991, 2021 Klaus Jäger, Johannes Sutter, Martin Hammerschmidt, Philipp-Immanuel Schneider, Christiane Becker BibTeX
DOI
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
DOI
2020
Detailed illumination model for bifacial solar cells Opt. Express, Vol.28, p. 4751, 2020 Klaus Jäger, Peter Tillmann, Christiane Becker BibTeX
DOI
Improved Quantum Efficiency by Advanced Light Management in Nanotextured Solution-Processed Perovskite Solar Cells ACS Photonics, Vol.7, p. 2589, 2020 Philipp Tockhorn, Johannes Sutter, Rémi Colom, Lukas Kegelmann, Amran Al-Ashouri, Marcel Roß, Klaus Jäger, Thomas Unold, Sven Burger, Steve Albrecht, Christiane Becker BibTeX
DOI
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
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
2019
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
Nanooptische Simulationen für optoelektronische Anwendungen Photonik: Fachzeitschrift für die optischen Technologien, 2019(2), pp. 42-45, 2019 Christiane Becker, Sven Burger, Klaus Jäger BibTeX
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
2018
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
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
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
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
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
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
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
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
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
2016
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
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
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
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
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
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
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