Preparation and Photocatalytic Activity of Magnetic Fe3O4/SiO2/TiO2Composites

Author:

Wang Rijing12,Wang Xiaohong12,Xi Xiaoguang12,Hu Ruanbing12,Jiang Guohua12

Affiliation:

1. Department of Materials Engineering, College of Materials and Textile, Zhejiang Sci-Tech University, Hangzhou 310018, China

2. Key Laboratory of Advanced Textile Materials and Manufacturing Technology (ATMT) of Ministry of Education, Zhejiang Sci-Tech University, Hangzhou 310018, China

Abstract

A simple sol-gel method was used to prepare magnetic Fe3O4/SiO2/TiO2composites with core-shell structure. Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), and transmission electron microscopy (TEM) have been applied to investigate the structure and morphology of the resultant composites. The obtained composites showed excellent magnetism and higher photodegradation ability than pure TiO2. The photocatalytic mechanism was also discussed. The magnetic composites should be extended to various potential applications, such as photodegradation, catalysis, separation, and purification processes.

Funder

Qianjiang Talents Project of Zhejiang Province

Publisher

Hindawi Limited

Subject

General Engineering,General Materials Science

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