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A novel core–shell like composite In2O3@CaIn2O4 for efficient degradation of Methylene Blue by visible light

Paper ID Volume ID Publish Year Pages File Format Full-Text
43719 45985 2007 6 PDF Available
Title
A novel core–shell like composite In2O3@CaIn2O4 for efficient degradation of Methylene Blue by visible light
Abstract

In the process of preparing a visible light photocatalyst CaIn2O4, a novel core shell like composite In2O3@CaIn2O4 was observed at intermediate calcination temperatures, during the solid-state reaction between ball milled powders of CaCO3 and In2O3. The composition, crystallinity and photo absorption of the coupled phases obtained in the temperature range 873–1323 K, were characterized by powder X-ray diffraction (XRD), transmission electron microscopy (TEM) and UV–vis diffused reflectance spectroscopy. The coupled composite phases In2O3@CaIn2O4 showed superior visible light induced photocatalytic degradation of Methylene Blue (MB) compared to single phase CaIn2O4. Selective charge separation and efficient charge transport at the interface when illuminated are considered to be the possible reasons for the enhanced photocatalytic performance of this composite catalyst.

Graphical abstractA novel core–shell like composite In2O3@CaIn2O4 was observed at intermediate calcinations of solid-state reaction between CaCO3 and In2O3, and showed superior visible light induced photocatalytic degradation of Methylene Blue compared to single phase CaIn2O4. Selective charge separation and efficient charge transport at the interface are the reasons for the enhanced performance of this composite catalyst.Figure optionsDownload full-size imageDownload as PowerPoint slide

Keywords
Photocatalyst; Core shell; Photocatalytic degradation of Methylene Blue; Crystallinity
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A novel core–shell like composite In2O3@CaIn2O4 for efficient degradation of Methylene Blue by visible light
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis A: General - Volume 321, Issue 1, 29 March 2007, Pages 1–6
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