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- W4280496423 abstract "• CQDs was introduced as an electron mediator between TiO 2 and In 2 S 3 . • The all-solid-state Z-scheme heterojunction could maintain strong redox ability. • Multiple free radicals determine the degradation of ofloxacin. • The all-solid-state Z-scheme mechanism of charge transfer is proposed. An all-solid-state Z-scheme In 2 S 3 /carbon quantum dots (CQDs)/TiO 2 heterojunction was successfully prepared using a two-step hydrothermal method. Under simulated sunlight, samples exhibited the best photoelectrochemical properties, resulting in enhanced degradation of ofloxacin. The 0.2In 2 S 3 /CQDs-2/titanium dioxide nanoarray (TNR) exhibited the highest photocurrent density, which was 16.9 times higher than that of the original TNR. The visible-light degradation rate of ofloxacin was 92.7% after 120 min, and the first-order kinetic constant was 0.0186 min −1 (7.41 and 7.01 times higher than those of the original TNR and In 2 S 3 , respectively). The excellent photoelectrochemical performance was mainly attributed to the CQDs acting as an electron mediator, promoting the separation of photogenerated electron-hole pairs and maintaining high redox capacity. A mechanism of an all-solid-state Z-scheme In 2 S 3 /CQDs/TiO 2 heterojunction for the degradation of ofloxacin was proposed, providing a novel approach for the degradation of ofloxacin by semiconductor photocatalysts." @default.
- W4280496423 created "2022-05-22" @default.
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- W4280496423 date "2022-09-01" @default.
- W4280496423 modified "2023-10-17" @default.
- W4280496423 title "All-solid-state Z-scheme In2S3/CQDs/TiO2 heterojunction for highly efficient degradation of ofloxacin" @default.
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- W4280496423 doi "https://doi.org/10.1016/j.apsusc.2022.153629" @default.
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