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Direct and indirect Z-scheme heterostructure-coupled photosystem enabling cooperation of CO2 reduction and H2O oxidation
Open accessAbstract
The stoichiometric photocatalytic reaction of CO 2 with H 2 O is one of the great challenges in photocatalysis. Here, we construct a Cu 2 O-Pt/SiC/IrO x composite by a controlled photodeposition and then an artificial photosynthetic system with Nafion membrane as diaphragm separating reduction and oxidation half-reactions. The artificial system exhibits excellent photocatalytic performance for CO 2 reduction to HCOOH and H 2 O oxidation to O 2 under visible light irradiation. The yields of HCOOH and O 2 meet almost stoichiometric ratio and are as high as 896.7 and 440.7 μmol g−1 h−1, respectively. The high efficiencies of CO 2 reduction and H 2 O oxidation in the artificial system are attributed to both the direct Z-scheme electronic structure of Cu 2 O-Pt/SiC/IrO x and the indirect Z-scheme spatially separated reduction and oxidation units, which greatly prolong lifetime of photogenerated electrons and holes and prevent the backward reaction of products. This work provides an effective and feasible strategy to increase the efficiency of artificial photosynthesis.
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Cited by
Kovačič, Ž., Likozar, B., & Huš, M. (2020) · ACS Catalysis · doi:10.1021/acscatal.0c02557 · Cited by 474
Tang, Y., Jia, X., Guo, Y., Geng, Z., Wang, C., Liu, L., Zhang, J., Guo, W., Tan, X., Yu, T., et al. (2023) · Advanced Energy Materials · doi:10.1002/aenm.202203827 · Cited by 55
Metadata
- Authors
- Wang, Y., Shang, X., Shen, J., Zhang, Z., Wang, D., Lin, J., Wu, J. C. S., Fu, X., Wang, X., & Li, C.
- Venue
- Nature Communications
- Published
- 2020-06-16
- Volume
- 11
- Issue
- 1
- Pages
- 3043-3043
- ISSN
- 2041-1723 (ISSN-L)
- OpenAlex
- W3035307876
- Cited by
- 392
- References
- 0
- FWCI
- 10.55
- Type
- journal article
- Language
- en
- Open access
- gold
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- Wang, Y., Shang, X., Shen, J., Zhang, Z., Wang, D., Lin, J., Wu, J. C. S., Fu, X., Wang, X., & Li, C. (2020). Direct and indirect Z-scheme heterostructure-coupled photosystem enabling cooperation of CO2 reduction and H2O oxidation. Nature Communications. https://doi.org/10.1038/s41467-020-16742-3
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