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Preparation of Mn-doped ZrO2/TiO2 photocatalysts for efficient degradation of Rhodamine B

Published online by Cambridge University Press:  06 August 2015

Hua Chen ,
Guohua Jiang ,
Tengteng Jiang ,
Lei Li ,
Yongkun Liu ,
Qin Huang  and
Wenxing Chen
Hua Chen
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China
Guohua Jiang*
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China National Engineering Laboratory for Textile Fiber Materials and Processing Technology, Hangzhou 310018, Zhejiang, P.R. China Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou 310018, P.R. China
Tengteng Jiang
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China
Lei Li
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China
Yongkun Liu
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China
Qin Huang
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China
Wenxing Chen
Affiliation:
Department of Materials Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, P.R. China National Engineering Laboratory for Textile Fiber Materials and Processing Technology, Hangzhou 310018, Zhejiang, P.R. China Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT), Ministry of Education, Hangzhou 310018, P.R. China
*
*Address all correspondence to Guohua Jiang at[email protected]
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Abstract

The Mn-doped ZrO2/TiO2 nanostructured photocatalysts had been prepared by the simple hydrothermal method. The morphologies and structures of the as-prepared photo-catalyst were characterized by transmission electron microscopy, x-ray diffraction, x-ray photoelectron spectroscopy, and electron paramagnetic resonance. The resultant nanostructured photocatalysts exhibited high photocatalytic activity under ultraviolet (UV) light irradiation, attributing to the improvement of the photo-absorption property and the separation efficiency of photo-generated electrons and holes. The hydroxyl radicals (•OH), superoxide radical (•O2−), and holes (h+) are the main active species in aqueous solution under UV light irradiation.

Type
Research Letters
Information
MRS Communications , Volume 5 , Issue 3 , September 2015 , pp. 525 - 531
Copyright
Copyright © Materials Research Society 2015 

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