High-efficiency lead-free Cs2SnI3Br3 perovskite solar cells via interface and thermal engineering
Here, we present an integrated optimization strategy for lead-free Cs2SnI3Br3 perovskite solar cells that combines absorber-layer thickness engineering, precise interface band-offset tailoring via electron transport layer/hole transport layer selection, black-phosphorene-based interface passivation, and coupled thermo-...