Synthesis and characterization of TiO2/C Janus composite particles and its photocatalytic activity for the degradation of rhodamine B

被引：2
|
作者：
Huang, Haibin [1 ]
Chen, Qinhui [1 ,2 ]
He, Junhui [1 ]
Zheng, Longhui [1 ]
Chen, Baoling [1 ]
Lin, Jinhuo [1 ,2 ]
机构：
[1] Fujian Normal Univ, Coll Mat Sci & Engn, Fuzhou 350007, Peoples R China
[2] Fujian Key Lab Polymer Mat, Fuzhou 350007, Peoples R China
来源：
COLLOID AND POLYMER SCIENCE | 2014年 / 292卷 / 12期
基金：
美国国家科学基金会;
关键词：
Janus; Titanium dioxide; Porous structure; Carbon materials; Photocatalytic activity; SEEDED EMULSION POLYMERIZATION; CARBON HOLLOW SPHERES; MESOPOROUS CARBON; PHENOLIC-RESIN; POROUS CARBONS; COLLOIDAL PARTICLES; CATALYST SUPPORT; FABRICATION; MICROFLUIDICS; MICROSPHERES;
D O I：
10.1007/s00396-014-3362-1
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Janus materials with anisotropic chemical structures and physical properties have attracted increasing attention due to their diversified potential applications. In this paper, titanium dioxide/3-(trimethoxysilyl) propylmethacrylate (TiO2/MPS) was obtained by swelling assisted with extrusion of PS@TiO2. Then, the phenolic resin (PF) was coated on the surface of MPS lobe. Finally, TiO2/C Janus composite particles were obtained by sintering at the atmosphere of nitrogen. The middle objects during reactive process and the final product were systematically characterized. Results showed that the Janus porous particles of TiO2/C were snowman-like structure, in which the average diameter of the carbon lobe was 178 nm and that of TiO2 lobe was 226 nm. When used as photocatalysts for Rhodamine B degradation in aqueous solution under UV irradiation, the resulted Janus product exhibited more efficient photocatalytic activity than TiO2 hollow microspheres.
引用
收藏
页码：3085 / 3093
页数：9
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