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Enhanced photodegradation activity of Rhodamine B by MgFe2O4/Ag3VO4 under visible light irradiation

Paper ID Volume ID Publish Year Pages File Format Full-Text
51143 46832 2013 5 PDF Available
Title
Enhanced photodegradation activity of Rhodamine B by MgFe2O4/Ag3VO4 under visible light irradiation
Abstract

MgFe2O4/Ag3VO4 composite photocatalysts were synthesized by a milling–calcining method. The results of Rhodamine B (RhB) photodegradation showed that the MgFe2O4/Ag3VO4 composite exhibited enhanced photodegradation activity under visible-light irradiation. The 0.2 wt.% MgFe2O4/Ag3VO4 calcined at 573 K exhibited the optimal photocatalytic behavior. Its maximum degradation rate was 5.4 times higher than that of Ag3VO4. Moreover, transient photocurrent-time was also investigated. Based on the results of the characterizations, the mechanism of enhanced photocatalytic activity is discussed.

► Novel MgFe2O4/Ag3VO4 composite was synthesized by a milling–calcining method. ► Metal Ag was observed in the MgFe2O4/Ag3VO4 composite. ► The photo-activity of the composite is 5.4 times higher than that of Ag3VO4. ► The coupling effect of MgFe2O4 and Ag3VO4 is the key factor.

Keywords
Photocatalysis; MgFe2O4/Ag3VO4; Visible light irradiation
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Enhanced photodegradation activity of Rhodamine B by MgFe2O4/Ag3VO4 under visible light irradiation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 30, 5 January 2013, Pages 14–18
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
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Full-text PDF Download
Online Support
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