TiO2 Nanotube/CdS Hybrid Electrodes: Extraordinary Enhancement in the Inactivation of Escherichia coli

被引：110
|
作者：
Hayden, Steven C. [1 ]
Allam, Nageh K. [1 ]
El-Sayed, Mostafa A. [1 ]
机构：
[1] Georgia Inst Technol, Sch Chem & Biochem, Laser Dynam Lab, Atlanta, GA 30332 USA
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2010年 / 132卷 / 41期
关键词：
PHOTOELECTROCHEMICAL PROPERTIES; ARRAYS; ARCHITECTURES;
D O I：
10.1021/ja107034z
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Titanium dioxide nanotubes offer distinct advantages over films of the same material in the production of hydroxyl radicals and subsequent inactivation of Escherichia coli in wastewater. However, their visible light absorption capabilities are limited. Semiconducting nanocrystals of cadmium sulfide have been used to increase the sensitivity of TiO2 nanotubes to visible light. A small applied potential, using CdS-coated TiO2 nanotube arrays, allowed for total inactivation of E. call in hitherto record short time.
引用
收藏
页码：14406 / 14408
页数：3
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