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首页> 外文会议>European Photovoltaic Solar Energy Conference and Exhibition >TRACE ELEMENTAL ANALYSIS OF PRECIPITATES IN MULTICRYSTALLINE SILICON AND INVESTIGATION OF SOLAR CELL SHUNTING
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TRACE ELEMENTAL ANALYSIS OF PRECIPITATES IN MULTICRYSTALLINE SILICON AND INVESTIGATION OF SOLAR CELL SHUNTING

机译：多晶硅硅沉淀物的痕量元素分析及太阳能电池分流研究

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The main aims of the photovoltaic industry are an enhancement of solar cell efficiency, the reduction of production costs and also to improve the production yield. The presence of various kinds of precipitates in block-cast multicrystalline Si for wafer-based solar cell production has a significant impact on the subsequent process technology. In this work the microstructural properties of SiC and Si_3N_4 precipitates as well as SiC filaments on grain boundaries are investigated with NIR microscopy, SEM and TEM studies. The elemental composition is analyzed with the help of ToF-SIMS and the electrical properties are investigated by LIT, BS-EBIC and 4-point probing. Our results contribute to new insights in solar cell shunting processes.
机译：光伏产业的主要目的是提高太阳能电池效率，降低生产成本，也为提高生产产量。基于晶片的太阳能电池生产块铸造多晶硅Si中各种沉淀物的存在对随后的工艺技术产生了重大影响。在该工作中，研究了鼻腔显微镜，SEM和TEM研究的SiC和Si_3N_4沉淀物的微观结构性质以及晶界上的SiC细丝。在TOF-SIMS的帮助下分析元素组合物，通过LIT，BS-EBIC和4点探测研究了电性能。我们的结果有助于新的太阳能电池分流过程的洞察。

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