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Photocatalytic oxidation of volatile pollutants of air driven by visible light

Paper ID Volume ID Publish Year Pages File Format Full-Text
26952 43989 2012 5 PDF Available
Title
Photocatalytic oxidation of volatile pollutants of air driven by visible light
Abstract

A series of materials based on titanium dioxide modified with platinum(IV), chromium(VI) and chromium(III) compounds were prepared. Their photocatalytic activity upon visible light irradiation was tested in the processes of gas-phase oxidation of volatile organic compounds, like acetone and methanol. These experiments confirmed an effective photosensitization of titanium dioxide, similar to that observed in aqueous suspensions of studied photocatalysts. Every material appeared to be more active than neat TiO2 upon visible light irradiation, although yields of oxidation depended on the applied photosensitizer and pollutant.

Graphical abstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Photosensitized TiO2-based photocatalysts were synthesized by surface modification with platinum and chromium species. ► The photocatalysts were used in visible light driven gas-phase photooxidation of volatile organic pollutants. ► Formation of carbon dioxide as a product confirmed oxidation of pollutants.

Keywords
Titanium dioxide; Photocatalysis; Photosensitization; Air purification
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Photocatalytic oxidation of volatile pollutants of air driven by visible light
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Publisher
Database: Elsevier - ScienceDirect
Journal: Journal of Photochemistry and Photobiology A: Chemistry - Volume 241, 1 August 2012, Pages 8–12
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