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Cited by 481

The DOI matches its Crossref record; 35 of the 35 references it cites were found in a registry or an index.

3D Hierarchical ZnIn2S4 Nanosheets with Rich Zn Vacancies Boosting Photocatalytic CO2 Reduction

He, Yiqiang, Rao, Heng, Song, Kepeng, Li, Jixin, Yu, Ying, Lou, Yue, Li, Chunguang, Han, Yu, Shi, Zhan, Feng, Shouhua·2019·Advanced Functional Materials

Abstract

Zinc vacancy (V Zn) is successfully introduced into 3D hierarchical ZnIn 2 S 4 (3D‐ZIS). The photo‐electrochemical experiments demonstrate that the charge separation and carrier transfer are more efficient in the 3D‐ZIS with rich V Zn. Of note, for the first time, it is found that V Zn can decrease the carrier transport activation energy (CTAE), from 1.14 eV for Bulk‐ZIS (Bulk ZnIn 2 S 4) to 0.93 eV for 3D‐ZIS, which may provide a feasible platform for further understanding the mechanism of photocatalytic CO 2 reduction. In situ Fourier transform infrared (FT‐IR) results reveal that the presence of rich V Zn ensures CO 2 chemical activation, promoting single‐electron reduction of CO 2 to CO 2−. In addition, in situ FT‐IR and CO 2 temperature programmed desorption results show that V Zn can promote the formation of surface hydroxyl. To the best of current knowledge, there are no reports on the photoreduction of CO 2 simply by virtue of 3D‐ZIS with V Zn and few literature reports on the photocatalytic reduction of CO 2 concerned with CTAE. Additionally, this work finds that surface hydroxyl may play a crucial role in the process of CO 2 photoreduction. The work may provide some novel ways to ameliorate solar energy conversion performance and a better understanding of photoreaction mechanisms.

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Metadata

Authors
He, Y., Rao, H., Song, K., Li, J., Yu, Y., Lou, Y., Li, C., Han, Y., Shi, Z., & Feng, S.
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2019-09-02
Volume
29
Issue
45
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2970934007
Cited by
481
References
35
FWCI
10.51
Type
journal article
Language
en
Open access
closed

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He, Y., Rao, H., Song, K., Li, J., Yu, Y., Lou, Y., Li, C., Han, Y., Shi, Z., & Feng, S. (2019). 3D Hierarchical ZnIn2S4 Nanosheets with Rich Zn Vacancies Boosting Photocatalytic CO2 Reduction. Advanced Functional Materials. https://doi.org/10.1002/adfm.201905153

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