Journal
DALTON TRANSACTIONS
Volume 51, Issue 27, Pages 10578-10586Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d2dt00646d
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Funding
- National Key R&D Program of China [2018YFC1902100]
- Natural Science Foundation of Tianjin [19JCQNJC04400]
- Key Research and Development Program of Tianjin [20YFYSGX00040]
- Open Project Program of Tianjin Key Laboratory of Brine Chemical Engineering and Resource Eco-utilization [BCERE201903]
- National Training Program of Innovation and Entrepreneurship for Undergraduates [202010057021]
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Designing a photocatalyst with an S-scheme heterojunction structure, such as alpha-Fe2O3/Cu2O, can significantly enhance the photocatalytic ability and reactivity of the system. This work provides new insights into the design of photocatalysts with a more reasonable structure and higher performance.
Photoredox catalysis under visible light has been recorded as a potential and reassuring recipe for organic synthesis. More and more heterojunction catalysts have appeared in people's fields of vision, especially those with S-scheme heterojunction structures. The S-scheme heterojunction structure of a photocatalyst can remarkably improve its photocatalytic efficiency. Here, an S-scheme alpha-Fe2O3/Cu2O heterojunction photocatalyst was designed and fabricated for the primary amine oxidative coupling reaction. On account of that, the S-scheme structure effectively separated the photogenerated electron-hole pairs and enhanced the photoredox ability of the photocatalytic system. The alpha-Fe2O3/Cu2O composite could also enhance the reactivity to a large extent. This work will provide new insight into the design of photocatalysts with a more reasonable structure and higher performance.
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