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Photocatalytic performance of BiPO4 nanorods adjusted via defects

Paper ID Volume ID Publish Year Pages File Format Full-Text
45102 46396 2016 8 PDF Available
Title
Photocatalytic performance of BiPO4 nanorods adjusted via defects
Abstract

•The defects in BiPO4 were controllably formed and repaired.•The effect of defect on the photocatalytic and photoelectric performance of BiPO4 has been revealed.•The mechanism of the photocatalytic degradation of pollutants by BiPO4 was studied and not changed by defects.

The effect of defect on the photocatalytic and photoelectric performance of BiPO4 has been revealed. The bulk defects of BiPO4 such as bismuth vacancies (VBi), oxygen vacancies (VO) and so on were formed during the ball-milling process. These bulk defects of BiPO4 inhibited the separation of photo-generated charges greatly and thus reduced photocatalytic activity. Most of the bulk defects were repaired and the photocatalytic activity of BiPO4 was also recovered mostly via calcination and reflux. Reflux could repair the bulk defects of BiPO4 much better than calcination. The mechanism of the photocatalytic degradation of pollutants over BiPO4 was not changed by defects, and the main oxidation active species of BiPO4 is photo-generated hole.

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Keywords
Defect; BiPO4; Ball-milling; Photocatalytic degradation
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 187, 15 June 2016, Pages 204–211
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
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