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26 September 2023 Evaluating materials combinations for thermophotovoltaic emitters with spectral selectivity
Mariama Rebello de Sousa Dias, Tao Gong, Margaret A. Duncan, Stuart Ness, Scott J. McCormack, Marina S. Leite, Jeremy N. Munday
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Proceedings Volume PC12668, New Concepts in Solar and Thermal Radiation Conversion V; PC126680A (2023) https://doi.org/10.1117/12.2678664
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
In thermophotovoltaics, photovoltaic cells convert heat from a thermal emitter to electricity. One way to obtain high-efficiency devices is to tailor the emitted spectrum to a specific solar cell. Here, we propose to use ultra-thin films to tailor the emission of hot bodies, where we can control the emission spectrum through material choice and film thickness. We predict power conversion efficiencies >50%, and suggest new material systems for exploration with potential efficiencies >60%. Our concept is universal and can be expanded to other high-temperature photonic applications for spectral control of thermal emission.
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Mariama Rebello de Sousa Dias, Tao Gong, Margaret A. Duncan, Stuart Ness, Scott J. McCormack, Marina S. Leite, and Jeremy N. Munday "Evaluating materials combinations for thermophotovoltaic emitters with spectral selectivity", Proc. SPIE PC12668, New Concepts in Solar and Thermal Radiation Conversion V, PC126680A (26 September 2023); https://doi.org/10.1117/12.2678664
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KEYWORDS
Solar cells
Film thickness
Gallium antimonide
Germanium
Indium gallium arsenide
Indium gallium arsenide antimonide
Optical properties
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