Margaret A. Duncan,1 Mariama Rebello de Sousa Dias,2 Tao Gong,1 Mohammad I. Hossain,1 Stuart C. Ness,1 Scott J. McCormack,1 Jeremy N. Munday,1 Marina S. Leite1
1Univ. of California, Davis (United States) 2Univ. of Richmond (United States)
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The field of thermophotovoltaics offers a direct method to translate the heat generated as a byproduct of other standard energy generation techniques into usable electricity. This requires an emitted spectrum tailored to produce the maximum possible amount of light in a wavelength regime which is utilizable by a given photovoltaic cell. In this work, we investigate the efficiency of coating/substrate emitters using ~50 materials with melting points >2000C. We show combinations including oxide/refractory metal coating/substrate pairs which result in an FOM of >40% at 1800C, demonstrating their potential to greatly outperform currently available thermophotovoltaic devices.
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Margaret A. Duncan, Mariama Rebello de Sousa Dias, Tao Gong, Mohammad I. Hossain, Stuart C. Ness, Scott J. McCormack, Jeremy N. Munday, Marina S. Leite, "Thin-film-based thermophotovoltaic emitters for ultra-high temperature regimes," Proc. SPIE PC11996, Physics, Simulation, and Photonic Engineering of Photovoltaic Devices XI, PC119960E (1 April 2022); https://doi.org/10.1117/12.2608924