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A stable Ag3PO4@g-C3N4 hybrid core@shell composite with enhanced visible light photocatalytic degradation

Paper ID Volume ID Publish Year Pages File Format Full-Text
45141 46401 2016 9 PDF Available
Title
A stable Ag3PO4@g-C3N4 hybrid core@shell composite with enhanced visible light photocatalytic degradation
Abstract

•The Ag3PO4@g-C3N4 core@shell was synthesized by ultrasonication-chemisorption method.•The shell of g-C3N4 increased the charge separation efficiency.•The core@shell photocatalysts exhibited enhanced activity and stability.

Ag3PO4@g-C3N4 core@shell composites were prepared via an ultrasonication/chemisorption method. The degradation of methylene blue (MB) over Ag3PO4@g-C3N4 composites was investigated to evaluate their photocatalytic performance. The Ag3PO4@g-C3N4 sample presented the best photocatalytic activity, degrading 97% MB after irradiation for 30 min. Superior stability was also observed in the cyclic runs. The composite has excellent photocatalytic activity and photo-stability and the optimal content of g-C3N4 in the composites is 7.0 wt.%. The efficient photo-generated charge separation originated from a strong interaction in the intimately contact interface, which was confirmed by the results of photocurrent and EIS measurements. Based on the experimental results, a photocatalytic mechanism for organics degradation over Ag3PO4@g-C3N4 photocatalysts was proposed.

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Keywords
Photocatalysis; Ag3PO4@g-C3N4; Core@shell; Degradation; Stability
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A stable Ag3PO4@g-C3N4 hybrid core@shell composite with enhanced visible light photocatalytic degradation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 183, April 2016, Pages 133–141
Authors
, , , , , , ,
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