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Visible-light-driven photocatalytic hydrogen production over dye-sensitized β-BiTaO4

Paper ID Volume ID Publish Year Pages File Format Full-Text
28053 44057 2012 4 PDF Available
Title
Visible-light-driven photocatalytic hydrogen production over dye-sensitized β-BiTaO4
Abstract

β-BiTaO4 photosensitized with methylene blue, methyl orange, alizarine and eriochrome black T in order to extend its photoresponse into a visible region and the photocatalytic activity was evaluated for each sensitized material under visible light irradiation. The results demonstrate that β-BiTaO4–methylene blue presented photocatalytic activity with respect to hydrogen production, which opens up prospects for improving systems that are able to drive photocatalytic reaction with visible light illumination to make effective use of solar light (∼45% of visible light) to produce hydrogen from water.

► The employed adsorption method demonstrated to be efficient, with complete adsorption of dye on the β-BiTaO4 surface. ► β-BiTaO4–methylene blue presented photocatalytic activity with respect to hydrogen production. ► It opens up prospects for improving systems to make effective use of solar light to produce hydrogen.

Keywords
Bismuth tantalate; Dye-sensitized photocatalyst; Visible light; Hydrogen production
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Visible-light-driven photocatalytic hydrogen production over dye-sensitized β-BiTaO4
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 243, 1 September 2012, Pages 61–64
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us