NREL researchers quantify UV-induced degradation levels in TOPCon solar cells

Researchers at NREL found that UV exposure can cause significant, partly non-recoverable degradation in TOPCon solar cells, with strong cell-to-cell and intra-cell variability linked to passivation and processing inconsistencies. While some UV-related losses recover quickly under light and are unlikely to affect field performance, the findings highlight gaps in current qualification tests and the need for improved UV aging standards.Researchers at the U.S. Department of Energy's National Laboratory of the Rockies (NREL) have quantified performance loss from ultraviolet (UV) light in TOPCon solar ...

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