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Olindo Isabella, Hitoshi Sai, Michio Kondo and Miro Zeman Full-wave optoelectrical modeling of optimized flattened light-scattering substrate for high efficiency thin-film silicon solar cells Progress in Photovoltaics: Research and Applications 22

Version of Record online: 10 DEC 2012 | DOI: 10.1002/pip.2314

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Accurate optical modeling using finite element method of µc-Si:H-based solar cell on a FLiSS substrate has been achieved. The subsequent optimization of FLiSS configuration together with the usage of available and less absorptive materials has led to highly efficient µc-Si:H-based single junction thin-film silicon solar cell, characterized by a potential 11.6% conversion efficiency and photocurrent density higher than 27 mA/cm2 in a 1-µm-thick absorber layer. Current-matched ultra-thin double and triple junction solar cells on the optimized FLiSS structure have been optoelectrically designed, showing potential 14% and 16% conversion efficiencies, respectively.

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