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Enhanced photocatalytic activity of Bi2WO6 doped with upconversion luminescence agent

Paper ID Volume ID Publish Year Pages File Format Full-Text
50227 46785 2011 4 PDF Available
Title
Enhanced photocatalytic activity of Bi2WO6 doped with upconversion luminescence agent
Abstract

In order to utilize visible light more effectively, a novel Er3+:Y3Al5O12/Bi2WO6 photocatalyst was designed, in which Er3+:Y3Al5O12 is a kind of upconversion luminescence agent and can emit ultraviolet light under visible light excitation. The photo-degradation of a typical model pollutant, phenol, demonstrated that Er3+:Y3Al5O12/Bi2WO6 photocatalyst exhibited much enhanced photo-activity than bare Bi2WO6 under simulated solar light irradiation. Moreover, the Er3+:Y3Al5O12/Bi2WO6 photocatalyst also showed photo-activity under visible light with wavelengths beyond the absorption edge of Bi2WO6, further testifying the upconversion effect of Er3+:Y3Al5O12.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideHighlights► Er3+:Y3Al5O12 can transform visible light into ultraviolet light and excite Bi2WO6. ► Er3+:Y3Al5O12/Bi2WO6 shows better activity than Bi2WO6 under simulated solar light. ► Er3+:Y3Al5O12/Bi2WO6 can degrade phenol under green light and red light.

Keywords
Upconversion luminescence agent; Er3+:Y3Al5O12/Bi2WO6 photocatalyst; Visible light; Phenol
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Enhanced photocatalytic activity of Bi2WO6 doped with upconversion luminescence agent
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 13, Issue 1, 5 October 2011, Pages 31–34
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Catalysis
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