Monitoring of Si-solar cell degradation with electroluminescence
Monitoring of Si-solar cell degradation with electroluminescence
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DOI：
10.1016/j.solmat.2016.05.008
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发表时间：
2016-10
影响因子：
6.9
通讯作者：
T. Mchedlidze;A. Herguth;J. Weber
中科院分区：
文献类型：
--
作者：
T. Mchedlidze;A. Herguth;J. Weber
Monitoring of the intensity of band-to-band electroluminescence (EL) from B-doped Cz-Si solar cells allowed reliable detection of their degradation under forward bias. Degradation related changes in the open circuit voltage for a cell can be well estimated from the related changes in the EL-intensity value under fixed forward current flow. Kinetics of the degradation could be accessed from the time-dependence of EL-intensity changes. The method of monitoring of the degradation process is fully applicable to the cells with complicated structure, e.g. cells with passivated emitter rear contact (PERC). Comparison of degradation process in standard and PERC solar cells indicated on faster and more severe degradation in PERC cells.
