期刊
APPLIED SURFACE SCIENCE
卷 526, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.apsusc.2020.145749
关键词
CeO2; ZnIn2S4; Z-scheme; Photocatalytic hydrogen evolution
类别
资金
- National Natural Science Foundation of China [51572126, 51872141]
- National Taipei University of Technology and Nanjing University of Science and Technology [NS-FC51872141]
The electronic transmission mode can effectively influence the photogenerated electron-hole separation efficiency, which further influence the photocatalytic hydrogen production performance. Herein, we synthesized a CeO2/ZnIn2S4 composite photocatalyst having a 0D/2D heterojunction by facile solvothermal and room temperature precipitation methods. The successful construction of the heterojunction was demonstrated by XRD and XPS. Meanwhile, the interesting findings shows that the 0D chess CeO2 compounded on the 2D checkerboard ZnIn2S4 in SEM and TEM. The ESR test of center dot O-2(-) and (OH)-O-center dot demonstrates the photocatalytic mechanism of Z scheme electron transport in the catalyst. The highest hydrogen production rate of the catalyst reaches 847.42 mu mol.g(-1).h(-1). This work provides a simple and effective strategy to achieve a rationally design photo catalyst for efficient, stable and cost-effective solar hydrogen production applications.
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