Preparation and Photocatalytic Performance Study of Na+/K+-WO3 by Ultrasonic Micro Method

Xian Zhen Diao; Zhu Lin Peng

doi:10.4028/www.scientific.net/AMR.887-888.693

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 887-888Preparation and Photocatalytic Performance Study...

Preparation and Photocatalytic Performance Study of Na⁺/K⁺-WO₃ by Ultrasonic Micro Method

Abstract:

With n-butanol/CTAB/cyclohexane as micro emulsion system, sodium tungstate and hydrochloric acid as raw material, alkali metals (Na+, K+) nitrate as dopant, pure WO3、Na+-WO3, K+-WO3 and Na+/K+-WO3 powders were prepared by ultrasonic micro-emulsion method; And performances of samples were analyzed by visible spectrophotometer. Photocatalytic activity study show that alkali metal sodium ion and potassium ion doped, photocatalytic activities of WO3 are improved markedly; When doping amount is 1.0%, catalyst amount is 2g/L, methyl orange concentration is 20mg/L, degradation time is 80 min, Na+-WO3 powder has the best photocatalytic degradation performance at 460nm, and the degradation rate is as high as 65%.

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Periodical:

Advanced Materials Research (Volumes 887-888)

Pages:

693-697

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.887-888.693

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Online since:

February 2014

Authors:

Xian Zhen Diao*, Zhu Lin Peng

Keywords:

Microemulsion, Photocatalytic Activity, Ultrasound, WO₃

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