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The successful implementation of industrially feasible local boron dopings as local back surface field (LBSF) for high-efficiency silicon solar cells processed with laser chemical processing (LCP) is demonstrated for the first time. The processed passivated-emitter rear locally diffused solar cells with LCP LBSFs show cell efficiencies of up to 20.9% with a cell efficiency benefit of up to 0.3–0.4%abs...
This paper presents the development of small (2.5??8.0 mm2) silicon solar cells, to be used in a six-junction tandem device. PC1D, numerical modeling and quasi steady state photoconductance (QSSPC) measurement were used to predict the targeted efficiency of silicon solar cells. Early batch of cells had problems of shunting, series resistance and high carrier recombination. Various techniques - junction...
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