CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
Structural analysis of [Bmim](2)CuCl4 ionic liquids in the presence of water and ethanol by XAFS technique
Jiang, FL; Li, C; Fu, HY; Wang, YX; Guo, XJ; Wu, GZ
2015
Source PublicationSCIENCE CHINA-CHEMISTRY
Volume58Issue:4Pages:716—721
Subtype期刊文献
AbstractThe structure of [Bmim](2)CuCl4 ionic liquids (Bmim: 1-butyl-3-methylimidazolium) with different ratios of H2O and C2H5OH was investigated using X-ray absorption fine structure (XAFS) technique. In this study, XAFS was employed to directly probe the conformational variations of copper ions in [Bmim](2)CuCl4 with the addition of either water or ethanol. XAFS analysis confirmed that the structure of ionic liquids gradually transformed from tetrahedral to octahedral configuration with the increase in ratio of H2O. Our results also showed that water molecules coordinated with the copper ions of [Bmim](2)CuCl4, leading to the conformational change in ionic liquids. However, the XAFS spectra of [Bmim](2)CuCl4/C2H5OH indicated no coordination of anhydrous ethanol with the copper ions of [Bmim](2)CuCl4. The structure of [Bmim](2)CuCl4 ionic liquids is maintained as the tetrahedral configuration in presence of ethanol. Therefore, anhydrous ethanol causes little variation in the structure of ionic liquids and it is a good solvent for the dilution of ionic liquids.
KeywordElectrolytic Conductivity Melting-point Mixtures Solvents Tetrafluoroborate Catalysis Cells Metal
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24580
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
GB/T 7714
Jiang, FL,Li, C,Fu, HY,et al. Structural analysis of [Bmim](2)CuCl4 ionic liquids in the presence of water and ethanol by XAFS technique[J]. SCIENCE CHINA-CHEMISTRY,2015,58(4):716—721.
APA Jiang, FL,Li, C,Fu, HY,Wang, YX,Guo, XJ,&Wu, GZ.(2015).Structural analysis of [Bmim](2)CuCl4 ionic liquids in the presence of water and ethanol by XAFS technique.SCIENCE CHINA-CHEMISTRY,58(4),716—721.
MLA Jiang, FL,et al."Structural analysis of [Bmim](2)CuCl4 ionic liquids in the presence of water and ethanol by XAFS technique".SCIENCE CHINA-CHEMISTRY 58.4(2015):716—721.
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