Enhancement of the visible light photocatalytic activity of heterojunction In sub(2) O sub(3) /BiVO sub(4) composites
Novel In sub(2)O sub(3)/BiVO sub(4) heterojunction composite photocatalysts with tunable In sub(2)O sub(3) content were prepared using a mild hydrothermal method. The structure, composition, and optical properties of the In sub(2)O sub(3)/BiVO sub(4) composites were determined by X-ray diffraction,...
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| Veröffentlicht in: | Applied physics. A, Materials science & processing Materials science & processing, 2015-09, Vol.120 (4), p.1529-1535 |
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| creator | Yin, J Z Huang, S B Jian, Z C Pan, M L Zhang, Y Q Fei, Z B Xu, X R |
| description | Novel In sub(2)O sub(3)/BiVO sub(4) heterojunction composite photocatalysts with tunable In sub(2)O sub(3) content were prepared using a mild hydrothermal method. The structure, composition, and optical properties of the In sub(2)O sub(3)/BiVO sub(4) composites were determined by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, UV-Vis diffuse reflectance spectroscopy, Brunauer-Emmett-Teller surface analysis, and X-ray photoelectron spectroscopy. Furthermore, photocatalytic activities of the as-prepared composites were investigated by studying the degradation of methylene blue (MB) solutions under simulated visible light irradiation ( lambda > 420 nm). It was found that the 50 % proportion of In sub(2)O sub(3) in the In sub(2)O sub(3)/BiVO sub(4) composite exhibited the highest photocatalytic performance, leading to 91 % decomposition of MB within 240 min of irradiation. |
| doi_str_mv | 10.1007/s00339-015-9349-z |
| format | Article |
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The structure, composition, and optical properties of the In sub(2)O sub(3)/BiVO sub(4) composites were determined by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, UV-Vis diffuse reflectance spectroscopy, Brunauer-Emmett-Teller surface analysis, and X-ray photoelectron spectroscopy. Furthermore, photocatalytic activities of the as-prepared composites were investigated by studying the degradation of methylene blue (MB) solutions under simulated visible light irradiation ( lambda > 420 nm). 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| subjects | Diffraction Heterojunctions Indium oxides Materials science Photocatalysis Reflectance Scanning electron microscopy X-rays |
| title | Enhancement of the visible light photocatalytic activity of heterojunction In sub(2) O sub(3) /BiVO sub(4) composites |
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