Fullerene modified CsPbBr3 perovskite nanocrystals for efficient charge separation and photocatalytic CO2 reduction

We demonstrate the design and fabrication of a fullerenes C60/CsPbBr3 composite, which is applied as an efficient and stable photocatalyst for visible-light-driven CO2 reduction

Zhijie Zhang; Mengyang Shu; Ying Jiang; Jiayue Xu


Scholarcy highlights

  • Halide perovskite nanocrystals are regarded as potential candidates for photocatalytic CO2 reduction owing to their appropriate band structure and outstanding visible-light harvesting abilities
  • The intrinsic radiative recombination and the structural instability of these materials have always been the obstacles to their practical applications in CO2 photoreduction
  • C60 with highly delocalized π bond structure serves as electron acceptors to acquire photo-generated electrons from CsPbBr3, facilitating the charge separation in this composite photocatalytic system
  • Largely improved CO2 photoreduction activity is achieved for the C60/CsPbBr3 catalytic system, with an average electron consumption rate 1.9 times that of the pristine counterpart
  • Our work has provided an effective strategy for the construction of halide perovskite-based composite systems with enhanced photocatalytic performance, which have potential applications in artificial photosynthesis

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