Preparation and application of poly(zwitterionic ionic liquid) to enhance the photocatalytic activity of TiO2

被引：12

作者：

Zhang, Luanluan ^{[1
]}

Du, Jia ^{[1
]}

Ran, Ting ^{[1
]}

Gao, Hejun ^{[1
,2
]}

Liao, Yunwen ^{[1
,2
]}

机构：

[1] China West Normal Univ, Chem Synth & Pollut Control Key Lab Sichuan Prov, Nanchong 637000, Peoples R China

[2] China West Normal Univ, Inst Appl Chem, Nanchong 637000, Peoples R China

来源：

JOURNAL OF MATERIALS SCIENCE | 2016年 / 51卷 / 15期

关键词：

ANATASE TIO2; TITANIUM-DIOXIDE; DEGRADATION; FABRICATION; WATER; NANOCRYSTALS; ELECTROLYTES; MICROSPHERES; OXIDATION; REMOVAL;

D O I：

10.1007/s10853-016-9999-z

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A novel composite material PIL@TiO2 was synthesized by sol-gel method using zwitterionic ionic liquid (1-(3-sulfonic group) propyl-3-ethylimidazole). TiO2 was uniformly loaded on PIL (poly(1-(3-sulfonic group) propyl-3-ethylimidazole)). The large specific surface area, unique microspore structure, negative effect, and synergistic effect were caused by PIL. PIL@TiO2 can effectively improve the separation efficiency of the electron-hole photogeneration. The electron-hole pair and (OH)-O-center dot play an important role in the photo-degradation. The structure of dye molecule is also an influencing factor for the degradation capacity. After five cycle experiments, PIL@TiO2 still exhibited excellent photocatalytic efficiency to dye molecules and its photocatalytic efficiency is better than that of P-25 (nanoscale TiO2) in the methyl orange and Rhodamine B solutions.

引用

页码：7186 / 7198

页数：13

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