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Chemical etching preparation of BiOI/Bi2O3 heterostructures with enhanced photocatalytic activities

Paper ID Volume ID Publish Year Pages File Format Full-Text
51117 46830 2011 5 PDF Available
Title
Chemical etching preparation of BiOI/Bi2O3 heterostructures with enhanced photocatalytic activities
Abstract

BiOI/Bi2O3 heterostructures, prepared by a facile chemical etching method, exhibit excellent photocatalytic activities on the degradation of phenol and 4-chlorophenol (4-CP). The enhanced photocatalytic performance of BiOI/Bi2O3 samples is attributed to the efficient separation of electron–hole pairs caused by the formation of BiOI–Bi2O3 heterojunction. The relationship between BiOI amounts and photocatalytic activities was investigated, and a photogenerated charge transfer process was proposed.

Graphical AbstractFigure optionsDownload full-size imageDownload as PowerPoint slideResearch Highlights►♦BiOI/Bi2O3 heterostructures were prepared by a facile chemical etching method. ►♦BiOI/Bi2O3 heterostructures exhibit enhanced photocatalytic performances. ►♦The formation of BiOI–Bi2O3 heterojunction and strong visible light absorptivity lead to excellent photocatalytic performances of BiOI/Bi2O3 samples.

Keywords
BiOI/Bi2O3 heterostructure; Photocatalysis; Phenol; Degradation
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Chemical etching preparation of BiOI/Bi2O3 heterostructures with enhanced photocatalytic activities
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Publisher
Database: Elsevier - ScienceDirect
Journal: Catalysis Communications - Volume 12, Issue 7, 10 March 2011, Pages 660–664
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
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Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
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