期刊
NEW JOURNAL OF CHEMISTRY
卷 45, 期 15, 页码 6611-6617出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d1nj00923k
关键词
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资金
- National Natural Science Foundation of China [21676123, 21575052]
- Natural Science Foundation of Jiangsu Province [BK20161127, BK20201345]
- National First-class Discipline Program of Food Science and Technology [JUFSTR20180301]
- MOE AMP
- SAFEA for the 111 Project [B13025]
This paper accelerates charge separation and promotes the reaction by in situ construction of Z-scheme heterojunctions, thus improving the conversion rate of benzyl alcohol. The preparation method, reaction mechanism, and energy level structure of the photocatalyst play a guiding role in organic conversion reactions.
Until now, the effective photocatalytic oxidation of benzyl alcohol to benzaldehyde with high selectivity is still a great challenge. It is reported that the carrier separation rate is the key factor affecting the photocatalytic activity, and the formation of heterojunction is an effective solution to hinder electron-hole recombination. SnS with a narrow band gap has excellent light absorption performance, which covers the whole visible light region. After compounding with g-C3N4, the light utilization of the SnS/g-C3N4 photocatalyst is effectively improved. In addition, a Z-scheme heterojunction is formed between SnS and g-C3N4 due to the matched energy levels, which accelerates the separation of electrons and holes and improves the conversion of benzyl alcohol effectively. In this paper, the charge separation is accelerated to promote the reaction by the in situ construction of Z-scheme heterojunctions; the preparation method, reaction mechanism and energy level structure of the photocatalyst can play a certain guiding role in the organic conversion reaction.
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