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Spectral selective transmission coatings can adjust the spectrum of incident solar radiation to reduce the waste heat generation in solar cells and to improve solar photovoltaic conversion efficiency. The ideal spectral transmissivity of the coatings should match the spectral response of solar cells, which means the ideal spectral transmissivity should be equal to 1.0 in the range of the spectral...
The design method of the spectral beam filter, which is employed in the solar concentrating system to improve solar energy utilization and electronic conversion efficiency, is presented. The layer stack is designed by using the needle optimization technique to match the spectrum range of silicon photovoltaic (PV) solar cells, and the reflection film materials are Nb2O5 and SiO2. The coating is performed...
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