Spectrally-Engineered Solar Thermal Photovoltaic Devices

A solar thermal photovoltaic device, and method of forming same, includes a solar absorber and a spectrally selective emitter formed on either side of a thermally conductive substrate. The solar absorber is configured to absorb incident solar radiation. The solar absorber and the spectrally selectiv...

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Bibliographische Detailangaben
Hauptverfasser:	CHAN WALKER, SOLJACIC MARIN, NAM YOUNG SUK, KRAEMER DANIEL, CHEN GANG, CELANOVIC IVAN, LENERT ANDREJ, BIERMAN DAVID, WANG EVELYN N, MCENANEY KENNETH
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRA-REDRADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, E.G. USINGPHOTOVOLTAIC [PV] MODULES SEMICONDUCTOR DEVICES
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Beschreibung
Zusammenfassung:	A solar thermal photovoltaic device, and method of forming same, includes a solar absorber and a spectrally selective emitter formed on either side of a thermally conductive substrate. The solar absorber is configured to absorb incident solar radiation. The solar absorber and the spectrally selective emitter are configured with an optimized emitter-to-absorber area ratio. The solar thermal photovoltaic device also includes a photovoltaic cell in thermal communication with the spectrally selective emitter. The spectrally selective emitter is configured to permit high emittance for energies above a bandgap of the photovoltaic cell and configured to permit low emittance for energies below the bandgap.