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- W4318957119 endingPage "109426" @default.
- W4318957119 startingPage "109426" @default.
- W4318957119 abstract "Artificial photo-driving 2e− oxygen reduction reaction (ORR) offers a promising strategy for H2O2 production, while the O2-to-H2O2 conversion suffers from low activity and selectivity. Herein, by grafting thiophene (TP) onto the edge of g-C3N4, we develop a donor-acceptor-engineered catalyst (g-C3N4-TP) for efficient H2O2 production. The optimized g-C3N4-TP exhibits an H2O2 production rate of 552 μmol g−1 h−1 under visible irradiation with an apparent quantum yield of 3.2 % at 420 nm, which is ca. 4 times that of pristine g-C3N4. Experiments and theoretical calculations identify that the enhanced photocatalytic performance is ascribed to the introduced TP units, which are capable of promoting the separation of electron-hole pairs, altering the adsorption mode of O2, and reducing the energy barriers for H2O2 production. This work deepens the understanding of O2 adsorption and conversion on g-C3N4, paving a new way for efficient H2O2 production by rational designing donor-acceptor-engineered photocatalysts." @default.
- W4318957119 created "2023-02-03" @default.
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- W4318957119 date "2023-04-01" @default.
- W4318957119 modified "2023-10-18" @default.
- W4318957119 title "Rational design of donor-acceptor engineered g-C3N4 for boosted H2O2 production via photocatalytic O2 reduction" @default.
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- W4318957119 doi "https://doi.org/10.1016/j.jece.2023.109426" @default.
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