Journal
CERAMICS INTERNATIONAL
Volume 40, Issue 7, Pages 9541-9547Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2014.02.028
Keywords
Crystal facets; N-doped BiVO4; Nanoplates; Photocatalysis
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Funding
- Project of the National Natural Science Foundation of China [51172135]
- Research and Special Project of the Education Department of Shaanxi Province [12JK0445]
- Graduate Innovation Fund of Shaanxi University of Science and Technology [SUST-A04]
- Green Manufacturing of Ceramic Materials with Novel Functional Application Innovation Team Assistance Fund of Shaanxi University of Science and Technology [TD12-05]
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N-doped BiVO4 single-crystalline nanoplates with exposed (040) facets were synthesized via a facile microwave hydrothermal method using NaN3 as a nitrogen source. The crystal structure, morphology, and photophysical properties of the samples were all characterized by XRD, FESEM, TEM, XPS, UV-vis and BET surface area techniques. The photocatalytic performances of the samples were evaluated by the decolorization of rhodamine B under the simulated sunlight irradiation. The results show that both pure BiVO4 polyhedrons and N-doped BiVO4 nanoplates have a monoclinic structure, but N-doped BiVO4 nanoplates with exposed (040) facets exhibit higher activity than that of pure BiVO4. The possible mechanism for improved photocatalytic activity of N-doped BiVO4 was also discussed in this work. (c) 2014 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
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