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COMBINED QUANTITATIVE ANALYSIS OF ELECTROLUMINESCENCE IMAGES AND LBIC MAPPINGS

机译:电致发光图像和LBIC映射的组合定量分析

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Solar cells are large area semiconductor devices. Thus, spatial information about the electronicand optical parameters is essential for process monitoring as well as for research and development.To provide a detailed analysis of the performance limiting mechanisms in a solar cell the separation ofbulk and surface effects is of major interest. Based on an approach of Basore taking advantage of differentcollection probabilities of carriers generated by near-infrared and near-band-gap light, we present amethod combining electroluminescence images and spectrally resolved light beam induced current mappingsto obtain mappings of the local base diffusion length and the local rear surface recombination velocityof crystalline silicon solar cell.
机译:太阳能电池是大面积的半导体器件。因此,关于电子的空间信息 光学参数对于过程监控以及研发至关重要。 为了详细分析太阳能电池的性能限制机制, 体积和表面效应是主要关注的问题。基于Basore的方法,利用了不同的优势 收集由近红外和近带隙光产生的载波的概率,我们提出了一个 结合电致发光图像和光谱分辨光束感应电流映射的方法 获得局部基础扩散长度和局部后表面复合速度的映射 晶体硅太阳能电池。

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