期刊
MATERIALS LETTERS
卷 292, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.matlet.2020.129274
关键词
Nanocomposites; Co3O4/CdS/g-C3N4; Photocatalyst; Hydrogen
资金
- National Key Research and Development Program of China [2016YFD0800607]
- Guangzhou Municipal People's Livelihood Science and Technology Project [201903010085]
Constructing heterojunction to improve photocatalytic efficiency has been widely explored, and in this work, CdS-based ternary composites were fabricated for efficient photocatalytic hydrogen evolution. The ternary nanocomposite exhibited significantly enhanced photocatalytic hydrogen generation rate under visible light irradiation, owing to the synergistic effects of different materials. This research demonstrated the great potential of CdS-based ternary heterostructures for boosting photocatalytic hydrogen production.
Constructing heterojunction has been widely explored and considered to be an effective way for improving photocatalytic efficiency. In this work, we fabricated CdS-based ternary composites (Co3O4/CdS/g-C3N4) by forming heterojunction via simple self-assembly and subsequent in-situ solvothermal process for efficient photocatalytic hydrogen evolution. Experimental results showed that the 5%Co3O4/CdS/g-C3N4 nanocomposite exhibited an excellent photocatalytic hydrogen generation rate of 30 880 mu mol h(-1) - g(-1) under visible light irradiation, about 17.1-fold than that of pure CdS. This augmented photoactivity of the ternary heterogeneous owes to the synergistic effects of different materials, which ultimately led to improving photoinduced charge separation. This research demonstrated that CdS-based ternary heterostructures have great potential for boosting the photocatalytic hydrogen production. (C) 2021 Elsevier B.V. All rights reserved.
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