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Vol. 25 No. 10 (2013): Vol 25 Issue 10

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Ion-Exchange Synthesis of Water-Dispersible WO3 for Sonocatalyst Applications

https://doi.org/10.14233/ajchem.2013.OH88
Feng-Jun Zhang
Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture, Anhui Hefei 230022, P.R. China
Hai-Yan Xu
Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture, Anhui Hefei 230022, P.R. China
Sheng-Fu Mei
Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture, Anhui Hefei 230022, P.R. China
Hong-Fei Dong
Anhui Key Laboratory of Advanced Building Materials, Anhui University of Architecture, Anhui Hefei 230022, P.R. China
Ze-Da Meng
Department of Advanced Materials Science and Engineering, Hanseo University, Seosan-si, Chungnam 356-706, Republic of Korea
Won-Chun Oh
Department of Advanced Materials Science and Engineering, Hanseo University, Seosan-si, Chungnam 356-706, Republic of Korea

Corresponding Author(s) : Feng-Jun Zhang

zhang-fengjun@hotmail.com

Asian Journal of Chemistry, Vol. 25 No. 10 (2013): Vol 25 Issue 10

Abstract

Water-dispersible tungsten (VI) oxide (WO3) catalysts of orthorhombic crystal structure has been synthesized by calcination at 200 ºC and 500 ºC, of H2WO4 prepared from ion-exchange with strong acidic cation resin. The water-dispersible WO3 catalyst was also found to exhibit interesting sonocatalytic properties for degradation of different kinds of dye (cationic dye rhodamine-B and anionic dye methyl orange) under ultrasonic irradiation. First, its sonocatalytic activity was higher than that of P25 (a commercial P25 as a benchmark) for cationic dye rhodamine-B, whereas it was lower for anionic dye methyl orange sonodegradation compared with P25. Second, almost no photochromic response of the WO3 was detected after ultrasonic in rhodamine-B solution. The results were discussed in terms of the characterization data of water-dispersible WO3 towards which, the role of the dye solution chemistry is also examined.

Keywords

Water-dispersible WO3 Sonocatalyst Potochromic Dyes
Zhang, F.-J., Xu, H.-Y., Mei, S.-F., Dong, H.-F., Meng, Z.-D., & Oh, W.-C. (2013). Ion-Exchange Synthesis of Water-Dispersible WO3 for Sonocatalyst Applications. Asian Journal of Chemistry, 25(10), 5773–5777. https://doi.org/10.14233/ajchem.2013.OH88
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