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Semiconductor-based selective emitter with sharp cutoff for thermophotovoltaic energy conversion
Qing Ni, Rajagopalan Ramesh, Cheng-An Chen +1
Semiconductor emitter can possibly achieve sharp cutoff wavelength due to its intrinsic bandgap absorption and almost zero sub-bandgap emission without doping. A germanium wafer ba…
Optoelectronic Analysis of Spectrally Selective Nanophotonic Metafilm Cell for Thermophotovoltaic Energy Conversion
Qing Ni, Payam Sabbaghi, Liping Wang
This work theoretically explores a spectrally selective TPV cell based on an asymmetric Fabry-Perot resonance cavity structure with sub-100-nm GaSb layer. The simulated spectral pr…
Spectrally-Selective Vanadium Dioxide Based Tunable Metafilm Emitter for Dynamic Radiative Cooling
Sydney Taylor, Ryan McBurney, Linshuang Long +3
Dynamic radiative cooling with variable emissive power is experimentally demonstrated in this study by a wavelength-selective tunable metafilm emitter, which consists of an opaque…