Solvothermal Synthesis of WO3 Photocatalysts and their Enhanced Activity

Abstract:

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Tungsten trioxide (WO3) is known as a visible light responsive photocatalyst, but its photocatalytic activity is relatively low, as compared to that of anatase titanium dioxide (TiO2). To enhance the activity, high specific surface areas are necessary. In this study, WO3 particles with a hierarchical architecture, which was assemblies of spherical particles 20 – 30 nm in diameter, were synthesized by the solvothermal method. The hierarchical WO3 particles had high specific surface areas and their photocatalytic activity was found to be 2.5 times higher than that of the commercial WO3.

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Periodical:

Edited by:

Chazono Hirokazu, Fujihara Shinobu, Katayama Keiichi, Masumoto Hiroshi, Mizoguchi Teruyasu, Osada Minoru, Shinozaki Kazuo and Takeda Hiroaki

Pages:

283-286

DOI:

10.4028/www.scientific.net/KEM.485.283

Citation:

Y. Kondo and S. Fujihara, "Solvothermal Synthesis of WO3 Photocatalysts and their Enhanced Activity", Key Engineering Materials, Vol. 485, pp. 283-286, 2011

Online since:

July 2011

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Price:

$35.00

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