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Tandem solar cells based on thin film silicon benefit from an intermediate reflector layer between the top and bottom cells since it enhances the absorption in the top cell. The top cell can thus be manufactured thinner and less prone to light induced degradation. Made from a thin layer of nanocrystalline silicon oxide, the interlayer provides a second functionality since it aids in the spatial separation...
Polycrystalline ZnO:B deposited by low-pressure chemical vapor deposition (LPCVD) was proven as an efficient electrode material for thin film silicon solar cells application, thanks to high transparency, good electrical conductivity and strong light scattering via self-textured surface. However, high doping used to lower resistivity of ZnO films, induces free carrier absorption (FCA), detrimental...
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