Journal
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING
Volume 120, Issue 4, Pages 1529-1535Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s00339-015-9349-z
Keywords
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Funding
- National Natural Science Foundations of China [51378217, U1360101]
- Research Project of Guangdong Provincial Department of Science and Technology [2012A010800006]
- Guangdong Natural Science Foundation [S2012020010887]
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Novel In2O3/BiVO4 heterojunction composite photocatalysts with tunable In2O3 content were prepared using a mild hydrothermal method. The structure, composition, and optical properties of the In2O3/BiVO4 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 In2O3 in the In2O3/BiVO4 composite exhibited the highest photocatalytic performance, leading to 91 % decomposition of MB within 240 min of irradiation.
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