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Reversible Hydrophobic-Hydrophilic Transition of Ionic Liquids Driven by Carbon Dioxide
Xiong, DZ; Cui, GK; Wang, JJ; Wang, HY; Li, ZY; Yao, KS; Zhang, SJ; Xiong, Dazhen; Cui, Guokai; Wang, Jianji; Wang, Huiyong; Li, Zhiyong; Yao, Kaisheng; Zhang, Suojiang
2015
发表期刊ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
ISSN1433-7851
卷号54期号:25页码:7265
摘要

Ionic liquids (ILs) with a reversible hydrophobic-hydrophilic transition were developed, and they exhibited unique phase behavior with H2O: monophase in the presence of CO2, but biphase upon removal of CO2 at room temperature and atmospheric pressure. Thus, coupling of reaction, separation, and recovery steps in sustainable chemical processes could be realized by a reversible liquid-liquid phase transition of such IL-H2O mixtures. Spectroscopic investigations and DFT calculations showed that the mechanism behind hydrophobic-hydrophilic transition involved reversible reaction of CO2 with anion of the ILs and formation of hydrophilic ammonium salts. These unique IL-H2O systems were successfully utilized for facile one-step synthesis of Au porous films by bubbling CO2 under ambient conditions. The Au porous films and the ILs were then separated simultaneously from aqueous solutions by bubbling N-2, and recovered ILs could be directly reused in the next process.

文章类型Article
DOI10.1002/anie.201500695
收录类别SCI
语种英语
WOS记录号WOS:000356390300005
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21512
专题研究所(批量导入)
通讯作者Wang, JJ
推荐引用方式
GB/T 7714
Xiong, DZ,Cui, GK,Wang, JJ,et al. Reversible Hydrophobic-Hydrophilic Transition of Ionic Liquids Driven by Carbon Dioxide[J]. ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,2015,54(25):7265.
APA Xiong, DZ.,Cui, GK.,Wang, JJ.,Wang, HY.,Li, ZY.,...&Zhang, Suojiang.(2015).Reversible Hydrophobic-Hydrophilic Transition of Ionic Liquids Driven by Carbon Dioxide.ANGEWANDTE CHEMIE-INTERNATIONAL EDITION,54(25),7265.
MLA Xiong, DZ,et al."Reversible Hydrophobic-Hydrophilic Transition of Ionic Liquids Driven by Carbon Dioxide".ANGEWANDTE CHEMIE-INTERNATIONAL EDITION 54.25(2015):7265.
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