Abstract
We demonstrate the rational design and construction of sandwich-like ZnIn<sub>2</sub>S<sub>4</sub>-In<sub>2</sub>O<sub>3</sub> hierarchical tubular heterostructures by growing ZnIn<sub>2</sub>S<sub>4</sub> nanosheets on both inner and outer surfaces of In<sub>2</sub>O<sub>3</sub> microtubes as photocatalysts for efficient CO<sub>2</sub> photoreduction. The unique design integrates In<sub>2</sub>O<sub>3</sub> and ZnIn<sub>2</sub>S<sub>4</sub> into hierarchical one-dimensional (1D) open architectures with double-heterojunction shells and ultrathin two-dimensional (2D) nanosheet subunits. This design accelerates the separation and transfer of photogenerated charges, offers large surface area for CO<sub>2</sub> adsorption, and exposes abundant active sites for surface catalysis. Benefiting from the structural and compositional merits, the optimized ZnIn<sub>2</sub>S<sub>4</sub>-In<sub>2</sub>O<sub>3</sub> photocatalyst exhibits outstanding performance for reductive CO<sub>2</sub> deoxygenation with considerable CO generation rate (3075 μmol h<sup>-1</sup> g<sup>-1</sup>) and high stability.
Keywords
ChemistryHeterojunctionCrystallographyOptoelectronicsPhysics
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Publication Info
- Year
- 2018
- Type
- article
- Volume
- 140
- Issue
- 15
- Pages
- 5037-5040
- Citations
- 1168
- Access
- Closed
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Cite This
Sibo Wang,
Bu Yuan Guan,
Xiong Wen Lou
(2018).
Construction of ZnIn<sub>2</sub>S<sub>4</sub>–In<sub>2</sub>O<sub>3</sub> Hierarchical Tubular Heterostructures for Efficient CO<sub>2</sub> Photoreduction.
Journal of the American Chemical Society
, 140
(15)
, 5037-5040.
https://doi.org/10.1021/jacs.8b02200
Identifiers
- DOI
- 10.1021/jacs.8b02200