Journal
CATALYSIS COMMUNICATIONS
Volume 24, Issue -, Pages 96-99Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2012.03.034
Keywords
SnO2; Fe3+ ions; Interfacial charger transfer; Four electrons reduction; Photocatalysis
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Funding
- Foundation of President of the Hefei Institute of Physical Sciences of Chinese Academy of Sciences
- National Natural Science Foundation of China [11004197, 50802095]
- Hong Kong Scholars Program
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This study reports an enhanced activity photocatalyst of Fe3+ ion-decorated SnO2 nanoparticles synthesized by a facile route. The chemical state of Fe3+-decorated SnO2 nanoparticles has been characterized by x-ray photoelectron spectrum (XPS). The Fe3+ is reduced to Fe2+ by the photoelectrons from SnO2 via an interfacial charger transfer process. The Fe2+ are transformed to Fe3+ ion through a four electron reduction, which realizing the recycle of Fe3+ ions, and preventing recombining of photoelectrons with photoholes, resulting in its enhanced center dot OH radical generation performance. The Fe3+-decorated SnO2 presents futuramic photocatalysis application in decomposing recalcitrant organic matter. Crown Copyright (C) 2012 Published by Elsevier By. All rights reserved.
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