Abstract
An environmentally friendly and lead-free perovskite CsBiBr 3 was co-doped by Ni and Mn successfully. Their structures and physicochemical features were systematically characterized. The biggest H 2 evolution rate reaches 61.8 μ mol g −1 h −1 for 1c under IR light irradiation, corresponding to an AQY of 0.67% and solar-to-chemical conversion efficiency of 0.46%, achieving 24 h-recycles of repeated H 2 generation. • An environmentally friendly and lead-free perovskite CsBiBr 3 was co-doped by Ni and Mn and characterized systematically. • Under IR light irradiation, 1c exhibits excellent photocatalytic properties and 24 h-recycles of repeated H 2 evolution. • This pioneering example offers a nanoplatform for tunable perovskite CsBiBr 3 nanomaterials.
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