化工进展

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室温离子液体辅助制备纳米TiO2研究进展

陈中胜1,2,龚伟平1,陈腾飞1,熊国宣2,许文苑2   

  1. 1中南大学粉末冶金国家重点实验室;
    2东华理工大学化学生物与材料科学学院
  • 出版日期:2010-06-05 发布日期:2010-06-05

Development of room temperature ionic liquid for preparation of
nanostructured TiO2

CHEN Zhongsheng1,2,GONG Weiping1,CHEN Tengfei1,XIONG Guoxuan2,XU Wenyuan2   

  1. 1State Key Laboratory of Powder Metallurgy,Central South University;
    2College of Chemistry,Biology and Material Science,East China Institute of Technology
  • Online:2010-06-05 Published:2010-06-05

摘要: 评述了离子液体[Bmim][BF4]、[Bmim][PF6]、[C2OHmim]Cl、[C2OHmim][BF4]、[Emim][Tf2N]、[Emim][AcO]、[Acmim]Br等在制备纳米TiO2中的应用。在采用溶胶-凝胶法、水热法、微波辅助法和电化学法制备纳米TiO2时,离子液体可作为溶剂和稳定剂。与其它溶剂相比,在离子液体中制备的纳米TiO2具有更细的粒度以及更好的分散性。指出了离子液体用于制备纳米TiO2存在的问题和今后研究的方向。

Abstract: Recent applications of ionic liquids,such as [Bmim][BF4],[Bmim][PF6],[C2OHmim]Cl,[C2OHmim][BF4],etc,for preparation of nanostructured TiO2 are reviewed. In addition to as solvents,ionic liquids can also be used as stabilizers in synthesizing nanostructured TiO2 with sol-gel,hydrothermal,microwave-assisted and electrochemistry methods. Compared with those in conventional organic solvents,nanostructured TiO2 prepared in ionic liquids exhibits smaller particle size and better dispersibility. Finally,problems and future research direction in this field are discussed.

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