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26 September 2023 A direct comparison between thermoradiative and thermophotovoltaic operation of HgCdTe photodiodes
Michael P. Nielsen, Muhammad H. Sazzad, Andreas Pusch, Phoebe M. Pearce, Peter J. Reece, Nicholas J. Ekins-Daukes
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Proceedings Volume PC12668, New Concepts in Solar and Thermal Radiation Conversion V; PC1266808 (2023) https://doi.org/10.1117/12.2677744
Event: SPIE Optical Engineering + Applications, 2023, San Diego, California, United States
Abstract
The thermoradiative diode (TRD) is the symmetric counterpart to the photovoltaic solar cell that generates power via the net emission rather than absorption of light. While the TRD has enticing applications in night-sky power generation, there are also opportunities for power generation via waste heat recovery. However, while the theoretical limits for power generation are promising, the current technological limits have not been explored. Here we compare the electro-optical characteristics of HgCdTe photodiodes in operating in both thermoradiative and thermophotovoltaic (TPV) modes, supported by optical modelling. By contrasting thermoradiative and TPV operation using the same devices, we set realistic expectations for power generation using mid-infrared semiconductors.
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Michael P. Nielsen, Muhammad H. Sazzad, Andreas Pusch, Phoebe M. Pearce, Peter J. Reece, and Nicholas J. Ekins-Daukes "A direct comparison between thermoradiative and thermophotovoltaic operation of HgCdTe photodiodes", Proc. SPIE PC12668, New Concepts in Solar and Thermal Radiation Conversion V, PC1266808 (26 September 2023); https://doi.org/10.1117/12.2677744
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KEYWORDS
Photodiodes
Mercury cadmium telluride
Diodes
Solar cells
Thermography
Modeling
Optoelectronics
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