Citation: YU Zonglong, JIA Chunxiao, LU Xin, HAN Haigang, XIN Bingwei. Synthesis of Ionic Liquid@TiO₂ Nanocomposites and Their Photocatalytic Performance[J]. Chinese Journal of Applied Chemistry, ;2016, 33(4): 459-465. doi: 10.11944/j.issn.1000-0518.2016.04.150269 shu

Synthesis of Ionic Liquid@TiO₂ Nanocomposites and Their Photocatalytic Performance

1.
Key Laboratory of Coordination Chemistry and Functional Materials in Universities of Shandong, Dezhou University, Dezhou, Shandong 253023, China

Corresponding author: JIA Chunxiao, XIN Bingwei,
Received Date: 28 July 2015
Available Online: 19 November 2015
Fund Project:

IL@TiO₂ nanocomposites were synthesized by grafting ionic liquids(ILs) onto the surface of TiO₂ via —Si—O— covalent bond. The prepared nanocomposites were acharacterized by IR, thermal gravity-differential analysis and elemental analysis. [C₈tespim]Br@TiO₂([C₈tespim]:N-3-triethoxysilypropyl-4,5-dihydroimidazole) can catalyze the degradation of methyl orange to almost colourless after being illuminated by ultraviolet light for 60 min. The superior performance of prepared nanocomposites compared to that of TiO₂ nanopaticles suggests that anion-exchange can tailor the photocatalytic activity, and the activity order is [C₈tespim]Br@TiO₂< [C₈tespim]PF₆@TiO₂< [C₈tespim]Tf₂N@TiO₂(Tf₂N:bis[(trifluoromethyl)sulfonyl]imide).
- IL@TiO₂ nanocomposites,
- photo-catalyst,
- methyl orange
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沈阳化工大学材料科学与工程学院沈阳 110142

Synthesis of Ionic Liquid@TiO2 Nanocomposites and Their Photocatalytic Performance

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通讯作者: 陈斌, bchen63@163.com

Synthesis of Ionic Liquid@TiO₂ Nanocomposites and Their Photocatalytic Performance