期刊
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
卷 13, 期 4, 页码 3127-3132出版社
AMER SCIENTIFIC PUBLISHERS
DOI: 10.1166/jnn.2013.7396
关键词
Superparamagnetic; Photocatalytic; Mesoporous; Core-Shell; Sol-Gel
类别
资金
- Natural Sciences and Engineering Research Council of Canada
Photocatalysis over titanium dioxide is a promising technology for water purification and degradation of emerging contaminants, however, catalyst efficiency and recovery after the photocatalytic reaction are key challenges that have limited the practical deployment of TiO2 in water treatment applications. Herein we report the synthesis of core shell, superparamagnetic gamma-Fe2O3@SiO2@TiO2 colloidal nanospheres with a mesoporous TiO2 shell, their characterization, and application in photocatalysis. The final surface area of the particles was similar to 100 m(2) g(-1), and their photocatalytic efficiency matched that of P25 TiO2.
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