Abstract:Many defects can cause significant bulk degradation in crystalline silicon, which inherently limits solar cell efficiency. Perhaps the most well-known source of light-induced bulk degradation (LID) in Czochralski-grown silicon is the boronoxygen defect. However, metal impurities, such as copper, can also cause severe degradation. Advanced hydrogenation processes incorporating minority carrier injection can effectively passivate boron-oxygen complexes, but their effect on copper-induced degradation has not been… Show more
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