MATEC Web Conf.
Volume 88, 20172016 International Conference on Biomaterials, Nanomaterials and Composite Materials (CBNCM 2016)
|Number of page(s)||6|
|Section||Chapter 2: Nano-materials and Composite materials|
|Published online||09 December 2016|
Photocatalytic Removal of Dye and Reaction Mechanism Analysis over Y2O3 Composite Nanomaterials
School of Chemistry and Chemical Engineering, Inner Mongolia University of Science & Technology, Baotou, 014010, Inner Mongolia, China
a Corresponding author: firstname.lastname@example.org
Y2O3 supported photocatalysts MOx (M = Fe, Ti and Bi)/Y2O3 were synthesized by hydrothermal and deposition-precipitation method and used in photocatalytic degradation of xylenol orange and rhodamine B under UV light irradiation. The crystalline structure and optical properties were well characterized by XRD and UV-vis DRS. The results of XRD revealed that the MOx/Y2O3 were composed of Fe2O3, TiO2, Bi0.8Y1.2O3 and Y2O3. The UV-vis DRS showed that MOx/Y2O3 photocatalysts exhibited stronger absorption in ultraviolet, and the absorption edge shifted to visible light region significantly. The photocatalytic experiments indicated that MOx/Y2O3 photocatalysts showed better activity for photodegradation of xylenol orange than rhodamine B. Moreover, the role of Y2O3 and the mechanism of photocatalysis is proposed.
© The Authors, published by EDP Sciences, 2017
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