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2016 , Vol. 16 >Issue 5: 895 - 900

DOI: https://doi.org/10.12034/j.issn.1009-606X.216184

Materials Engineering

Low-temperature Solid-state Synthesis of Bi2WO6 Powders and Its Visible-light Photocatalytic Activity

  • ZHOU Lin JIN Chuan-gui YU Yi CHI Fang－li LV Yao-hu RAN Song-lin
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  • 1. School of Materials Science and Engineering, Anhui University of Technology
    2. School of Materials and Engineering, Anhui University of Technology

Received date: 2016-04-18

  Revised date: 2016-07-01

  Online published: 2016-10-14

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Abstract

Bi2WO6 powders were synthesized by a direct solid-state reaction between Bi(NO3)3?5H2O and Na2WO4?2H2O. The effects of calcining temperature and time on the phase composition, morphology and photocatalytic activity under the visible light irradiation were investigated. The results indicated that the powders synthesized at 350℃ for 2 h contained small amount of Bi2O3 and Na2W4O13 phase as impurities, but exhibited the highest photocatalytic activity. The as-synthesized powders could degrade 0.01 mmol/L RhB solution by 95% after irradiation under visible light for 90 min. In addition, the as-synthesized powders still remained excellent photocatalytic activity and chemical stability even after 5 times cycling tests.

Cite this article

ZHOU Lin JIN Chuan-gui YU Yi CHI Fang－li LV Yao-hu RAN Song-lin . Low-temperature Solid-state Synthesis of Bi2WO6 Powders and Its Visible-light Photocatalytic Activity[J]. The Chinese Journal of Process Engineering, 2016 , 16(5) : 895 -900 . DOI: 10.12034/j.issn.1009-606X.216184

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