Australia’s UNSW reveals atomic-scale self-repair mechanism in silicon solar cells
The findings, published in Energy & Environmental Science, directly observe chemical bond reconfiguration during degradation and subsequent sunlight-driven recovery, a capability long inferred from electrical measurements but previously unresolved at the material level. Solar cell performance is compromised by ultraviolet-induced degradation (UVID), a decline in efficiency caused by high-energy UV photons interacting with surface layers,
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