Abstract
Using AgNO3 as the Ag source, the Ag@BiOCl photocatalysts were prepared by depositing noble metal Ag on the surface of BiOCl by solvothermal method. Ag exists as spherical particles with a diameter of 40 nm. Based on the surface plasmon resonance effect (SPR) of Ag, the photoresponse range of BiOCl was successfully extended to the visible light region, which reduced the photo-generated electron–hole recombination efficiency and improved the charge transfer efficiency. The photocatalytic performance of Ag@BiOCl was studied under visible light. The results show that when the Ag content is 10wt%, it exhibits excellent photocatalytic performance on the degradation of acid red B (ARB), and its degradation rate constant is 11 times larger than that of BiOCl. The active substance-capturing test results show that voids play the key role in photocatalytic degradation of ARB.
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This work was supported by the National Natural Science Foundation of China (Grant No. 51302061) and Natural Science Foundation of Hebei province (Grant Nos. E2014201076 and E2020201021).
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Liang, L., Lv, Y., Yu, Z. et al. Surface plasmon resonance effect of Ag@BiOCl and its enhanced visible light-photodegradation of acid red B. J Mater Sci: Mater Electron 32, 18646–18656 (2021). https://doi.org/10.1007/s10854-021-06352-0
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DOI: https://doi.org/10.1007/s10854-021-06352-0