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- W4240797817 abstract "tothis study, our black Si solar cells were all passivated by thermal SiO2 produced in tube furnaces. Although this passivation is effective, it is not yet ideal for ultra-low-cost manufacturing. In this study, we report, for the first time, the integration of black Si with a proprietary liquid-phase deposition (LPD) passivation from Natcore Technology. The Natcore LPD forms a layer of <10-nm SiO2on top of the black Si surface in a relatively mild chemical bath at room temperature. We demonstrate black Si solar cells with LPD SiO2 with a spectrum-weighted average reflection lower than 5%, similar to the more costly thermally grown SiO2 approach. However, LPD SiO2 provides somewhat better surface-passivation quality according to the lifetime analysis by the photo-conductivity decaymeasurement. Moreover, black Si solar cells with LPD SiO2 passivation exhibit higher spectral response at short wavelength compared to those passivated by thermally grown SiO2. With further optimization, the combination of aqueous black Si etching and LPD could provide a pathway for low-cost, high-efficiency crystalline Si solar cells." @default.
- W4240797817 created "2022-05-12" @default.
- W4240797817 creator A5038881587 @default.
- W4240797817 date "2011-05-01" @default.
- W4240797817 modified "2023-09-23" @default.
- W4240797817 title "Award-Winning Etching Process Cuts Solar Cell Costs (Revised) (Fact Sheet)" @default.
- W4240797817 doi "https://doi.org/10.2172/1009278" @default.
- W4240797817 hasPublicationYear "2011" @default.
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