Enhanced photocatalytic hydrogen evolution based on ternary noble-metal-free Co3O4/CdS/g-C3N4 composite
文献类型： 外文期刊
作者： Wu, Tengfei 1 ; Huang, Jianfeng 1 ; Cheng, Gen 1 ; Pang, Yuwan 1 ;
作者机构： 1.Guangdong Acad Agr Sci, Inst Agr Resources & Environm, Guangzhou 510640, Peoples R China
2.Minist Agr, Key Lab Plant Nutr & Fertilizer South Reg, Guangzhou 510640, Peoples R China
3.Guangdong Key Lab Nutrient Cycling & Farmland Con, Guangzhou 510640, Peoples R China
4.Guangdong Lab Lingnan Modern Agr, Maoming Branch, Maoming 525000, Peoples R China
关键词： Nanocomposites; Co3O4/CdS/g-C3N4; Photocatalyst; Hydrogen
期刊名称：MATERIALS LETTERS （ 影响因子：3.204； 五年影响因子：2.785 ）
ISSN： 0167-577X
年卷期： 2021 年 292 卷
页码：
收录情况： SCI
摘要： 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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