Enhancement of photocatalytic disinfection of surface modified rutile TiO2 nanocatalyst

We demonstrate a facile modification of rutile TiO 2 and its anti-bacterial activity under solar irradiation. The modification of rutile TiO 2 was done by microwave-assisted hydrothermal process with hydrogen peroxide (H 2 O 2 ) as a solvent. The structural properties were analyzed by using XRD and...

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Bibliographic Details
Published in:The Korean journal of chemical engineering 2016, 33(8), 197, pp.2392-2395
Main Authors: Song, Mun-Seon, Vijayarangamuthu, Kalimuthu, Han, EunJi, Jeon, Ki-Joon, Seo, Jeong-Won
Format: Article
Language:English
Subjects:
Biotechnology
Catalysis
Chemistry
Chemistry and Materials Science
Environmental Engineering
Industrial Chemistry/Chemical Engineering
Materials Science
화학공학
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Summary:We demonstrate a facile modification of rutile TiO 2 and its anti-bacterial activity under solar irradiation. The modification of rutile TiO 2 was done by microwave-assisted hydrothermal process with hydrogen peroxide (H 2 O 2 ) as a solvent. The structural properties were analyzed by using XRD and Raman studies. The modified rutile TiO 2 shows no change either crystalline phase or crystalline size. The formation of Ti-OH was observed in Raman study. The TEM analysis shows modification on the surface of rutile TiO 2 . The photocatalytic disinfection of Escherichia coli ( E. coli ) under solar irradiation shows double-times better performance by modified rutile TiO 2 compared to rutile TiO 2 . The enhancement of anti-bacterial activity was attributed surface modification and Ti-OH.
ISSN:0256-1115
1975-7220
DOI:10.1007/s11814-016-0117-3