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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).
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