期刊
APPLIED CATALYSIS A-GENERAL
卷 299, 期 -, 页码 218-223出版社
ELSEVIER
DOI: 10.1016/j.apcata.2005.10.041
关键词
photocatalyst; visible light; organic dye decomposition; ESR spectra
A new kind of binary TiO2-Ti2O3 photocatalyst was successfully prepared by a simple photo-assisted sol-gel method. The as-prepared catalyst exhibited remarkable photocatalytic activity in decomposition of many organic dye pollutants, including sulforhodamine B (SRB), eosin, erythrosin B, and rhodamine B (RB) under visible light illumination. The ESR spectrum clearly showed that OHcenter dot radicals were formed. These acted as an active species in the decomposition of organic dyes over as-prepared photocatalyst suspensions under visible light illumination. (c) 2005 Elsevier B.V. All rights reserved.
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