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15 June 2023 Characterization and modeling of refractory dielectrics for high-temperature thermophotovoltaic applications
Peter Bermel
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Proceedings Volume 12513, Energy Harvesting and Storage: Materials, Devices, and Applications XIII; 1251306 (2023) https://doi.org/10.1117/12.2666405
Event: SPIE Defense + Commercial Sensing, 2023, Orlando, Florida, United States
Abstract
Converting high-temperature heat to electricity can theoretically provide new sources of energy, but there are several practical barriers to realization. Foremost among these challenges is the lack of data on visibly transparent materials with a suitable set of properties up to high temperatures. In this study, we examine candidate material options and report experimental findings of their key properties across a range of optical wavelengths and temperatures. We then perform a simulation to confirm that we have a correct and consistent understanding of their properties, and use that to design more complex structures for future thermophotovoltaic selective emitters, which can efficiently radiate heat that can be converted into electricity through a device similar to a solar cell.
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Peter Bermel "Characterization and modeling of refractory dielectrics for high-temperature thermophotovoltaic applications", Proc. SPIE 12513, Energy Harvesting and Storage: Materials, Devices, and Applications XIII, 1251306 (15 June 2023); https://doi.org/10.1117/12.2666405
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KEYWORDS
Dielectrics
Reflectivity
Temperature metrology
Modeling
FT-IR spectroscopy
Thin films
Cerium oxide
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