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- W3112812833 abstract "The development of efficient visible-light-driven photocatalysts is a great challenge due to their high charge recombination rate. Herein, BiVO4 nanoparticles with controllable oxygen vacancy levels were synthesized via a hydrothermal approach, followed by post-annealing treatment in an oxygen-deficient environment. The oxygen vacancy level within BiVO4 nanoparticles could be modulated by varying the annealing temperature between 300 and 400 °C in an Ar gas environment. Different oxygen vacancy levels could effectively change the bandgap of BiVO4, resulting in changes in photocatalytic efficiency. The BiVO4 nanoparticles with the optimal oxygen vacancy level showed a photocatalytic efficiency of 98%, which was 38% increased over pure BiVO4. A series of characterizations, including impedance spectra, transient photocurrent response, and electron spin resonance spectra, revealed that the increased photocatalytic efficiency was mainly ascribed to the efficient suppression of electron/hole recombination." @default.
- W3112812833 created "2020-12-21" @default.
- W3112812833 creator A5030230367 @default.
- W3112812833 creator A5048826252 @default.
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- W3112812833 date "2021-04-01" @default.
- W3112812833 modified "2023-10-09" @default.
- W3112812833 title "RETRACTED: Synthesis of BiVO4 nanoparticles with tunable oxygen vacancy level: The phenomena and mechanism for their enhanced photocatalytic performance" @default.
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- W3112812833 doi "https://doi.org/10.1016/j.ceramint.2020.12.126" @default.
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