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Noble‐Metal‐Free Janus‐like Structures by Cation Exchange for Z‐Scheme Photocatalytic Water Splitting under Broadband Light Irradiation
Abstract
Z‐scheme water splitting is a promising approach based on high‐performance photocatalysis by harvesting broadband solar energy. Its efficiency depends on the well‐defined interfaces between two semiconductors for the charge kinetics and their exposed surfaces for chemical reactions. Herein, we report a facile cation‐exchange approach to obtain compounds with both properties without the need for noble metals by forming Janus‐like structures consisting of γ‐MnS and Cu 7 S 4 with high‐quality interfaces. The Janus‐like γ‐MnS/Cu 7 S 4 structures displayed dramatically enhanced photocatalytic hydrogen production rates of up to 718 μmol g−1 h−1 under full‐spectrum irradiation. Upon further integration with an MnOx oxygen‐evolution cocatalyst, overall water splitting was accomplished with the Janus structures. This work provides insight into the surface and interface design of hybrid photocatalysts, and offers a noble‐metal‐free approach to broadband photocatalytic hydrogen production.
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Cites
Metal-free efficient photocatalyst for stable visible water splitting via a two-electron pathway
Liu, J., Liu, Y., Liu, N., Han, Y., Zhang, X., Huang, H., Lifshitz, Y., Lee, S.-T., Zhong, J., & Kang, Z. (2015) · Science · doi:10.1126/science.aaa3145 · Cited by 4,468
Wang, Q., Hisatomi, T., Jia, Q., Tokudome, H., Zhong, M., Wang, C., Pan, Z., Takata, T., Nakabayashi, M., Shibata, N., et al. (2016) · Nature Materials · doi:10.1038/nmat4589 · Cited by 1,684
Cited by
Recent developments in heterogeneous photocatalysts for solar-driven overall water splitting
Wang, Z., Li, C., & Domen, K. (2019) · Chemical Society Reviews · doi:10.1039/c8cs00542g · Cited by 2,295
Defect engineering in photocatalytic materials
Bai, S., Zhang, N., Gao, C., & Xiong, Y. (2018) · Nano Energy · doi:10.1016/j.nanoen.2018.08.058 · Cited by 1,236
Self-citationJiao, X., Chen, Z., Li, X., Sun, Y., Gao, S., Yan, W., Wang, C., Zhang, Q., Lin, Y., Luo, Y., et al. (2017) · Journal of the American Chemical Society · doi:10.1021/jacs.7b02290 · Cited by 1,049
Photocatalysis: From Fundamental Principles to Materials and Applications
Yang, X., & Wang, D. (2018) · ACS Applied Energy Materials · doi:10.1021/acsaem.8b01345 · Cited by 770
Zhu, M., Sun, Z., Fujitsuka, M., & Majima, T. (2018) · Angewandte Chemie International Edition · doi:10.1002/anie.201711357 · Cited by 607
Metadata
- Authors
- Yuan, Q., Liu, D., Zhang, N., Ye, W., Ju, H., Shi, L., Long, R., Zhu, J., & Xiong, Y.
- Venue
- Angewandte Chemie International Edition
- Publisher
- Wiley
- Published
- 2017-03-15
- Volume
- 56
- Issue
- 15
- Pages
- 4206-4210
- ISSN
- 1433-7851 (ISSN-L)
- 1521-3773
- OpenAlex
- W4244580306
- Cited by
- 199
- References
- 2
- FWCI
- 7.83
- Type
- journal article
- Language
- en
- Open access
- closed
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- Yuan, Q., Liu, D., Zhang, N., Ye, W., Ju, H., Shi, L., Long, R., Zhu, J., & Xiong, Y. (2017). Noble‐Metal‐Free Janus‐like Structures by Cation Exchange for Z‐Scheme Photocatalytic Water Splitting under Broadband Light Irradiation. Angewandte Chemie International Edition. https://doi.org/10.1002/anie.201700150
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