Demonstrating the Thermoradiative Diode: Generating Electrical Power Through Radiative Emission

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• Prof. N. J. Ekins-Daukes, University of New South Wales
• Friday 07 July 2023, 15:00-16:00
• Maxwell Centre, Rayleigh Seminar Room.

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Thermoradiative power generation is achieved through the emission of light from a warm ambient into a cold surroundings representing a thermodynamically symmetric counterpart to photovoltaic solar power generation. The thermoradiative diode provides a semiconductor implementation of this process whereby radiative emission from a warm diode into a cold environment expels more entropy than supplied by the flow of heat to the diode hence permitting work to be performed. Under these conditions a reverse bias spontaneously forms across the diode allowing an electrical current to flow thereby delivering electrical power. We report the full IV characteristics from a 0.3eV HgCdTe diode was held at 20.5C and exposed to a radiant surface of different temperatures. Thermoradiative power is generated when the diode faces a cold (

https://pubs.acs.org/doi/abs/10.1021/acsphotonics.2c00223

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