Thicker alumunium oxide layers can reduce ultraviolet-induced degradation in TOPCon solar cells

UNSW researchers developed an experimentally validated model linking UV-induced degradation in TOPCon solar cells to hydrogen transport, charge trapping, and permanent structural changes in the passivation stack. They show that thicker aluminum oxide layers significantly improve UV resilience by limiting hydrogen migration, offering clear guidance for more robust TOPCon designs.Researchers from the University of New South Wales (UNSW) have investigated ultraviolet-induced degradation (UVID) in TOPCon solar cells and have found that thicker aluminum oxide (AlOx) layer can reduce this kind of "Our ...

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