期刊
ENVIRONMENTAL SCIENCE & TECHNOLOGY
卷 39, 期 4, 页码 1175-1179出版社
AMER CHEMICAL SOC
DOI: 10.1021/es035374h
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Sulfur-doped titanium dioxide exhibits a strong visible-light-induced antibacterial effect. The new photocatalyst can effectively kill Micrococcus lylae, a common Gram-positive bacterium. The relationship between sulfur concentration and the bactericidal activity,of S-doped TiO2 was investigated. Results from DMPO spin-trapping electron spin resonance measurements confirm the formation of hydroxyl radicals, which is the origin of the considerable bactericidal activity under visible light irradiation.
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