期刊论文

Hu, Lijun;Xiao, Qianxiang;Wang, HQ

英文

Applied Surface Science

0169-4332

2023

638

158135

10.1016/j.apsusc.2023.158135

This work was financially supported by research grants from the National Natural Science Foundation of China (No. 62205140), the Natural Science Foundation of Hunan Province, China (2021JJ40450), and the Key Projects of Education Department of Hunan Province, China (20A420).

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The conversion of superoxide radical (& BULL;O2 ) to hydrogen peroxide (H2O2) is critical in the photocatalytic for-mation of H2O2 via the sequential two-step single-electron oxygen reduction mechanism. Providing a high concentration of & BULL;O2  is an effective approach to promoting this process in terms of chemical kinetics. It is, however, extremely challenging to implement this idea in the photocatalytic solution due to the limited lifespan of & BULL;O2 . To this end, a concept about local & BULL;O2  enrichment catalyst surface was proposed in this study an...