Construction of a dual-channel mode for wide spectrum-driven photocatalytic H 2 production

The composite with heavily incorporated H x WO 3 (H 0.53 WO 3 /CdS) was successfully synthesized by a facile method of photo-assisted in situ reduction and applied in photocatalytic water splitting into H 2 . Its photocatalytic activity is about 70 times greater than that of pure CdS. Such a heteros...

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Published in:Journal of materials chemistry. A, Materials for energy and sustainability Materials for energy and sustainability, 2019-01, Vol.7 (3), p.1076-1082
Main Authors: Zhang, Lulu, Zhang, Hongwen, Wang, Bo, Huang, Xueyan, Gao, Fan, Zhao, Yan, Weng, Sunxian, Liu, Ping
Format: Article
Language:English
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Summary:The composite with heavily incorporated H x WO 3 (H 0.53 WO 3 /CdS) was successfully synthesized by a facile method of photo-assisted in situ reduction and applied in photocatalytic water splitting into H 2 . Its photocatalytic activity is about 70 times greater than that of pure CdS. Such a heterostructure shows wide spectral response in the UV-vis-NIR range, which is attributed to the LSPR of H 0.53 WO 3 . In the vis-NIR-driven photocatalytic water reduction process, a unique dual path for generating H 2 from water is constructed, which is contributed by the synergistic photocatalysis effect between the charge-carrier separation driven by the Z-scheme and hot electron injection induced by LSPR (Localized Surface Plasmon Resonance).
ISSN:2050-7488
2050-7496
DOI:10.1039/C8TA08914K