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  4. Optimization strategies for colorful thin film solar cells
 
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2025
Presentation
Title

Optimization strategies for colorful thin film solar cells

Title Supplement
Presentation held at Photonics West 2025, San Francisco, USA, 25.01.2025-30.01.2025, Published online only on SPIE Proceedings Volume PC13361
Abstract
Color aesthetics of photovoltaic modules is essential fordesign-sensitive applications, like building integrated photovoltaics (BIPV). Distributed Bragg reflector-based color filters modify the appearance of silicon solar cells. This study extends the aesthetic evaluation to emerging perovskite solar cells - typically grey or brown - by equipping them with a color filter. In this contribution we present an numerical optimization study which assesses parameters such as number of layers, total color filter height, materials choices and texture roughness for color appearance and efficiency within realistic manufacturing constraints. We use Bayesian optimization approaches for color filter design and focus on objective function definition. Finally, we present a selection of high performance ed perovskite solar cells, demonstrating the potential of our algorithm to tailor a customized color design.
Author(s)
Schaible, Jonas
Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Winarto, H.
Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Škorjanc, V.
Yoo, D.
Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Zimmermann, L.
Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Wessels, Andreas  orcid-logo
Fraunhofer-Institut für Solare Energiesysteme ISE  
Jäger, Klaus
Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Sekulic, I.
Schneider, P.-I.
Bläsi, Benedikt  
Fraunhofer-Institut für Solare Energiesysteme ISE  
Burger, S.
Zuse Institute Berlin
Becker, Christiane
Helmholtz-Zentrum Berlin für Materialien und Energie (HZB)
Conference
Conference "Physics, Simulation, and Photonic Engineering of Photovoltaic Devices" 2025  
DOI
10.1117/12.3041408
Language
English
Fraunhofer-Institut für Solare Energiesysteme ISE  
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