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In situ photogenerated defects on surface-complex BiOCl (0 1 0) with high visible-light photocatalytic activity: A probe to disclose the charge transfer in BiOCl (0 1 0)/surface-complex system

Paper ID Volume ID Publish Year Pages File Format Full-Text
44872 46375 2015 9 PDF Available
Title
In situ photogenerated defects on surface-complex BiOCl (0 1 0) with high visible-light photocatalytic activity: A probe to disclose the charge transfer in BiOCl (0 1 0)/surface-complex system
Abstract

•The cooperative effect of surface-complex and defects can further improve the visible light photocatalytic oxidation of 2-naphthol.•A feasible charge transfer mechanism between BiOCl-0 1 0 and surface complex is proposed.•The introduction of defects can tune the optical and electronic properties of BiOCl-0 1 0.•The in-situ photogenerated defects are stable, suggesting its potential application value.

Surface functional modification through small organic molecules to form surface complex which possess unique electronic and optical properties, is a hopeful strategy in activating BiOCl-0 1 0 for visible light harvesting. However, the significant charge transfer between surface complex and BiOCl-0 1 0 in photocatalytic process is vague. In this work, we ingeniously design a facile repeat experiment to obtain reliable information on charge transfer mechanisms and structure-reactivity relationships between surface complex and BiOCl-0 1 0 under reaction condition. Interestingly, this charge transfer gives rise to the formation of defects which are protected by a disordered outer layer on surface. Moreover, the introduction of defects plays a vital role in photocatalytic and photoelectric performance, which can be verified by DFT calculations. Our current work is expected to offer new insight into charge transfer between surface complex and substrates for better understanding to photocatalytic reactions and for rational design and synthesis of photocatalyst with high activity.

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Keywords
BiOCl; Visible light; Surface complex; Defect; Charge transfer
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In situ photogenerated defects on surface-complex BiOCl (0 1 0) with high visible-light photocatalytic activity: A probe to disclose the charge transfer in BiOCl (0 1 0)/surface-complex system
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Publisher
Database: Elsevier - ScienceDirect
Journal: Applied Catalysis B: Environmental - Volume 163, February 2015, Pages 205–213
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