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- W1505345280 abstract "A Ge back contact type photovoltaic cell has been proposed to reduce resistance loss for high current densities in thermophotovoltaic systems. This structure requires low surface recombination velocities. A SiO/sub 2//SiN/sub x/ double AR coating including a high refractive index SiN/sub x/ layer was studied. The SiN/sub x/ layer has a high enough passivation effect to obtain high efficiency. The quantum efficiency was around 0.8 in the 800-1600 nm wavelength range. The efficiency for emitted infrared lights was estimated at 18% for a blackbody surface and 25% for a selective emitter. A higher efficiency will be obtained by using a low resistance substrate after the recombination loss is decreased, due to the improved SiN/sub x/ passivation layer and the floating emitter. It is considered that the Ge cell efficiency will increase in excess of 30% for infrared light by using these structures." @default.
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- W1505345280 date "2005-08-10" @default.
- W1505345280 modified "2023-09-26" @default.
- W1505345280 title "A germanium back contact type cell for thermophotovoltaics" @default.
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- W1505345280 doi "https://doi.org/10.1109/pvsc.2005.1488217" @default.
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