期刊
JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY
卷 360, 期 -, 页码 298-305出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.jphotochem.2018.04.051
关键词
Ternary nanocomposite; Visible-light-driven; Photocatalysts; Hydrogen production; Electron acceptors
资金
- National Natural Science Foundation of China [21272054, 21502040]
- Natural Science Foundation of Hebei Province [B2016205249, B2016205211]
- Youth Top-notch Talent Foundation of the Education Department of Hebei Province [BJ2014039]
- Science and Technology Research Fund of the Education Department of Hebei Province [ZD2015030]
- Startup Foundation of Hebei Normal University [L2015B08, L2015B09, L2015k02, L2016Z01]
A novel in situ hydrolysis reaction method has been developed for the controllable synthesis of ternary CdIn2S4/In(OH)(3)/Zn2GeO4 nanocomposite. The CdIn2S4 and In(OH)(3) content in the ternary system can be conveniently tuned by varying the pH value of the reaction system. The ternary CdIn2S4/In(OH)(3)/Zn2GeO4 (pH = 6.5) nanocomposite sample exhibited the highest photocatalytic H-2 production rate of 1426.90 mu mol h(-1) g(-1), without the assistance of a noble metal. A possible mechanism of H-2-production activity was proposed. The photo-generated electrons in the CB of CdIn2S4 can transfer to the CB of In(OH)(3) and Zn2GeO4, resulting in a rapid separation of photo-generated electrons and holes. This work can not only provide an excellent candidate for visible-light H-2 evolution, but also provide an efficient strategy for designing of new system with high activity for solar hydrogen generation.
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