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The authors present investigations of high-efficiency a-Si solar cells and describe a novel structure for large-area a-Si solar cell submodules. In order to improve the conversion efficiency, B(CH/sub 3/)/sub 3/ was applied as a new p-type doping gas, which led to a total-area efficiency of 9.60% for a 10 cm*10 cm integrated-type submodule. Furthermore, a novel analysis method, called the current-separated-analysis...
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