Construction of ZnIn 2 S 4 –In 2 O 3 hierarchical tubular heterostructures for efficient CO 2 photoreduction
Guan, Bu Yuan
Lou, Xiong Wen David
Date of Issue2018
School of Chemical and Biomedical Engineering
We demonstrate the rational design and construction of sandwich-like ZnIn2S4-In2O3 hierarchical tubular heterostructures by growing ZnIn2S4 nanosheets on both inner and outer surfaces of In2O3 microtubes as photocatalysts for efficient CO2 photoreduction. The unique design integrates In2O3 and ZnIn2S4 into hierar-chical one-dimensional (1D) open architectures with dou-ble-heterojunction shells and ultrathin two-dimensional (2D) nanosheet subunits. This design accelerates the sep-aration and transfer of photogenerated charges, offers large surface area for CO2 adsorption, and exposes abun-dant active sites for surface catalysis. Benefitting from the structural and compositional merits, the optimized ZnIn2S4-In2O3 photocatalyst exhibits outstanding perfor-mance for reductive CO2 deoxygenation with considerable CO generation rate (3075 μmol h-1 g-1) and high stability.
Journal of the American Chemical Society
© 2018 American Chemical Society. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of the American Chemical Society, American Chemical Society. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [http://dx.doi.org/10.1021/jacs.8b02200].