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Photocatalytic activities of a novel ZnWO4 catalyst prepared by a hydrothermal process

Paper ID Volume ID Publish Year Pages File Format Full-Text
44393 46024 2006 10 PDF Available
Title
Photocatalytic activities of a novel ZnWO4 catalyst prepared by a hydrothermal process
Abstract

ZnWO4 catalysts have been successfully synthesized by a hydrothermal crystallization process. ZnWO4 catalyst synthesized at 180 °C for 24 h exhibited relatively high photochemical activity for the decomposition of rhodamine-B, and showed better activity for the degradation of formaldehyde than that of TiO2 (P-25). The generations of the photocurrent and H2 evolution from pure water were also realized. UV bands observed in the catalyst were assigned to the band transition from the occupied O 2p orbitals to the empty W 5d orbitals. On the basis of the analysis of the energy levels and the band structures, the photocatalytic mechanism of the catalyst was also discussed.

Keywords
ZnWO4; Photocatalyst; Nanorod; Rhodamine-B; Formaldehyde
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Photocatalytic activities of a novel ZnWO4 catalyst prepared by a hydrothermal process
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 306, 7 June 2006, Pages 58–67
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
Get Full-Text Now
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Price was $35.95
You save - $31
Price after discount Only $4.95
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