Study on the hydrophobicity of [Bmim]2[CuCl4] by two-dimensional correlation spectroscopy

被引：4

作者：

Fan, Zhaosheng ^{[1
,2
]}

Xu, Tongguang ^{[1
]}

Jiang, Chengyong ^{[1
]}

Wang, Lida ^{[1
]}

Sun, Suqin ^{[2
]}

Zhou, Qun ^{[2
]}

机构：

[1] Shanghai Tobacco Grp Beijing Cigarette Factory Co, Technol Ctr, Tongzhou Dis, Beijing 101121, Peoples R China

[2] Tsinghua Univ, Dept Chem, Key Lab Bioorgan Phosphorus Chem & Chem Biol, Minist Educ, Beijing 100084, Peoples R China

来源：

SPECTROCHIMICA ACTA PART A-MOLECULAR AND BIOMOLECULAR SPECTROSCOPY | 2022年 / 282卷

关键词：

Ionic liquid; FT-IR; 2DCOS; hydrophobicity; HYDROGEN-BONDING INTERACTIONS; CONTAINING IONIC LIQUIDS; TEMPERATURE; WATER; ATR;

D O I：

10.1016/j.saa.2022.121637

中图分类号：

O433 [光谱学];

学科分类号：

0703 ; 070302 ;

摘要：

By dissolving copper chloride in [Bmim]Cl (1-butyl-3-methylimidazolium chloride), chloride ions can coordinate with copper ions and form [CuCl4](2-), thereby inducing the solution being hydrophobic. In the present work, hydrogen bonds between [Bmim](+) and anions are analyzed and discussed by two-dimensional correlation spectroscopy. Time-dependent attenuated total reflection spectroscopy (ATR-FTIR) is introduced to monitor the hygroscopic process of [Bmim](2)[CuCl4] and [Bmim]Cl in situ. Hygroscopic capacity and rate of [Bmim](2)[CuCl4] shrink compared with [Bmim]Cl. The change of water molecular clusters has been studied by second-derivative spectra in the hygroscopic process. The behaviors of water molecular in the two ionic liquids are also distinctive.

引用

页数：8

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