Quantitative Evaluation of Carrier Distribution in Silicon Solar Cell Using Scanning Nonlinear Dielectric Microscopy

Kotaro Hirose, K. Tanahashi, H. Takato, Yasuo Cho
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Abstract

The carrier distribution in solar cell is important evaluation target. Scanning nonlinear dielectric microscopy is applied to the cross section of phosphorus implanted emitter in monocrystalline silicon solar cell and visualizes the carrier distribution quantitatively. The effective diffusivities of phosphorus are estimated from the experimental results. Then, the three-dimensional carrier distribution is simulated. The experimental and simulation results show good correlation.
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用扫描非线性介电显微镜定量评价硅太阳电池中的载流子分布
载流子在太阳能电池中的分布是重要的评价指标。采用扫描非线性介电显微镜对单晶硅太阳电池中注入磷发射极的截面进行了研究,定量地观察了载流子的分布。根据实验结果估算了磷的有效扩散系数。然后,模拟三维载流子分布。实验结果与仿真结果具有良好的相关性。
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