NDLI: Photocatalytic Degradation of Organic Dyes by a High Efficient TiO2-Based Catalysts Under Solar Light Irradiation

Content Provider	Springer Nature Link
Author	Wang, Jun Li, Jia Zhang, Liquan Li, Chengwu Xie, Yingpeng Liu, Bin Xu, Rui Zhang, Xiangdong
Copyright Year	2009
Abstract	In this work, the Er3+:YAlO3/Fe-doped TiO2 composite, a high efficient TiO2-based photocatalyst, was synthesized by ultrasonic dispersion and liquid boil methods. Among which, the Er3+:YAlO3 is a kind of upconversion luminescence agent, which was prepared by nitrate-citric acid method. It can emit ultraviolet light under visible light excitation. The Er3+:YAlO3/Fe-doped TiO2 composite was characterized by X-ray diffraction and UV–vis spectral techniques. The degradation of Acid Red B dye was used to evaluate the photocatalytic activity of the Er3+:YAlO3/Fe-doped TiO2 composite under solar light irradiation. It was found that the photocatalytic activity of Er3+:YAlO3/Fe-doped TiO2 composite was much higher than that for the similar system with only Fe-doped TiO2. And the influencing factors, such as Er3+:YAlO3 content, irradiation time, initial concentration of Acid Red B, addition amount of Er3+:YAlO3/Fe-doped TiO2 and NaCl, on the photocatalytic degradation were also investigated. The Er3+:YAlO3 as upconversion luminescence agent can elevate the photocatalytic activity of Fe-doped TiO2 powder. Moreover, the Fe2+ ion can restrain the recombination of photogenerated electrons and holes. Thus, this Er3+:YAlO3/Fe-doped TiO2 composite is a useful material for the detoxification of wastewater because it can efficiently utilize solar light by converting visible light into ultraviolet light.
Starting Page	551
Ending Page	557
Page Count	7
File Format	PDF
ISSN	1011372X
Journal	Catalysis Letters
Volume Number	130
Issue Number	3-4
e-ISSN	1572879X
Language	English
Publisher	Springer US
Publisher Date	2009-05-27
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Er3+:YAlO3/Fe-doped TiO2 composite Upconversion luminescence agent Photocatalytic degradation Solar light Organic dye Pharmacy Industrial Chemistry/Chemical Engineering Physical Chemistry Catalysis
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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