八面体
光降解
光催化
热液循环
材料科学
化学工程
扩散
光化学
化学
复合材料
催化作用
晶体结构
结晶学
有机化学
物理
工程类
热力学
作者
Qiying Peng,Wenjing Yang,Xinyan Li,Hu Yang,Jun Cao,Jingjing Wang,Yingying Zheng,Jiaqi Pan,Chaorong Li
标识
DOI:10.1016/j.ijhydene.2023.06.045
摘要
The NiS/CdS hollow octahedral composites are prepared via an approach of dual hydrothermal method in alkaline solution. The NiS/CdS composites (NiS/CdS–OH) exhibit remarkable enhanced photocatalytic HER activity (∼5320.93 μmol g−1 h−1) and photodegradation than CdS (∼26 folds/∼7 folds). There, the NiS/CdS–OH with appropriate potential gradient and sufficient active sites can ameliorate carrier efficiency effectively, including transportation increasing, lifetime prolonging and recombination decreasing, especially the synergism of rapid electron solid/liquid interface diffusion of active sites. In addition, the hollow octahedral structure can increase light reflections and maintain a good stability.
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