Expanding Thermal Plasma Chemical Vapour Deposition of ZnO:Al Layers for CIGS Solar Cells
Secondary-electron SEM images of shunt-causing defects. (a) Following CIGS deposition, numerous CuSex particles were found within crater-like defects. (b) Following ZnO:Al/i-ZnO/CdS deposition, the CuSex particles are no longer seen, but numerous craters remain.
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