Journal
RSC ADVANCES
Volume 6, Issue 10, Pages 8061-8069Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c5ra23655j
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Funding
- National Natural Science Foundation of China [61274015, 11274052, 51172030]
- Excellent Adviser Foundation in China University of Geosciences from the Fundamental Research Funds for the Central Universities
- State Key Laboratory of Information Photonics and Optical Communications (Beijing University of Posts and Telecommunications)
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W19O55 nano-/micron-rods (NMRs) were synthesized through calcining WO3 powders under a reducing atmosphere with S vapor in a vacuum furnace. For comparison, the as-prepared W19O55 NMRs were then annealed at 500 degrees C for 2 h to obtain WO3 NMRs. The decolourization of organic dyes methylene blue and rhodamine B under visible light by the two kinds of NMRs reveals that the oxygen-deficient W19O55 sample will present better comprehensive performance due to its stronger surface adsorption to the dye molecules, which could be attributed to the oxygen vacancies.
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