NDLI: Ag$_{2}$O/TiO$_{2}$ nanorods heterojunctions as a strong visible-light photocatalyst for phenol treatment

Content Provider	Springer Nature Link
Author	Jiang, Bo Jiang, Liangliang Shi, Xuewei Wang, Wenchao Li, Guisheng Zhu, Fengxia Zhang, Dieqing
Copyright Year	2014
Abstract	Ag$_{2}$O/TiO$_{2}$ nanorods heterojunctions were synthesized by an environmentally benign approach, including hydrothermal treating TiCl$_{4}$ aqueous solution for the formation of rutile TiO$_{2}$ nanorods and precipitating Ag$_{2}$O quantum dots on the surface of rutile TiO$_{2}$ nanorods. The as-obtained Ag$_{2}$O quantum dots were highly uniformly deposited on the surface of rutile TiO$_{2}$ rods for the formation Ag$_{2}$O/TiO$_{2}$ heterojunctions photocatalyst. Such photocatalyst was characterized by X-ray diffraction, scanning electron microscopy, transmission electron microscopy, N$_{2}$ adsorption desorption, UV–Vis diffuse reflectance spectroscopy. The photocatalytic activities of the samples were evaluated by phenol under visible-light irradiation. It was found that the optimal Ag:Ti molar ratio (4:10) contributed the highest photocatalytic performance for removing phenol (10 mg/L) with a degradation rate of 66 %, about 11 and 5 times of that of the pure rutile TiO$_{2}$ nanorods and N-doped TiO$_{2}$, respectively, after 40 min of reaction under visible light irradiation (λ > 420 nm). Such greatly enhanced photocatalytic performance of the as-prepared photocatalysts was attributed to the strong Ag$_{2}$O/TiO$_{2}$ heterojunctions, 1D rutile TiO$_{2}$ architecture, and high visible light absorption capability.
Starting Page	314
Ending Page	321
Page Count	8
File Format	PDF
ISSN	09280707
Journal	Journal of Sol-Gel Science and Technology
Volume Number	73
Issue Number	2
e-ISSN	15734846
Language	English
Publisher	Springer US
Publisher Date	2014-10-11
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Ag$_{2}$O TiO$_{2}$ Heterojunctions Photocatalytic Phenol Ceramics, Glass, Composites, Natural Methods Inorganic Chemistry Optical and Electronic Materials Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Ceramics and Composites Chemistry Materials Chemistry Biomaterials Condensed Matter Physics Electronic, Optical and Magnetic Materials

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