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Homogeneous high-sheet-resistance emitter (HHSE), excellent surface passivation, and high-quality contacts, along with narrow gridlines, are needed for high-efficiency solar cells. However, HHSE in conjunction with screen-printed (SP) contacts often gives low fill factor (FF) because of high contact resistance. We capitalized on the glass-etching property of light-induced plating of silver to decrease...
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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