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In situ Raman and synchrotron X-ray diffraction study on crystallization of Choline chloride/Urea deep eutectic solvent under high pressure
Yuan, CS; Chu, KK; Li, HN; Su, L; Yang, K; Wang, YQ; Li, XD; Li XD(李晓东)
2016
发表期刊CHEMICAL PHYSICS LETTERS
卷号661页码:240-245
文章类型期刊论文
摘要Pressure-induced crystallization of Choline chloride/Urea (ChCl/Urea) deep eutectic solvent (DES) has been investigated by in-situ Raman spectroscopy and synchrotron X-ray diffraction. The results indicated that high pressure crystals appeared at around 2.6 GPa, and the crystalline structure was different from that formed at ambient pressure. Upon increasing the pressure, the N-H stretching modes of Urea underwent dramatic change after liquid-solid transition. It appears that high pressures may enhance the hydrogen bonds formed between ChCl and Urea. P versus T phase diagram of ChCl/Urea DES was constructed, and the crystallization mechanism of ChCl/Urea DES was discussed in view of hydrogen bonds. (C) 2016 Elsevier B.V. All rights reserved.
关键词High pressure Raman Deep eutectic solvent ChCl Urea
DOI10.1016/j.cplett.2016.04.011
关键词[WOS]IONIC LIQUIDS ; PHASE-TRANSITIONS ; HOLE THEORY ; UREA ; TRANSPORT ; MIXTURES
语种英语
WOS类目Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000385332600042
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文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260325
专题多学科研究中心
作者单位中国科学院高能物理研究所
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Yuan, CS,Chu, KK,Li, HN,et al. In situ Raman and synchrotron X-ray diffraction study on crystallization of Choline chloride/Urea deep eutectic solvent under high pressure[J]. CHEMICAL PHYSICS LETTERS,2016,661:240-245.
APA Yuan, CS.,Chu, KK.,Li, HN.,Su, L.,Yang, K.,...&李晓东.(2016).In situ Raman and synchrotron X-ray diffraction study on crystallization of Choline chloride/Urea deep eutectic solvent under high pressure.CHEMICAL PHYSICS LETTERS,661,240-245.
MLA Yuan, CS,et al."In situ Raman and synchrotron X-ray diffraction study on crystallization of Choline chloride/Urea deep eutectic solvent under high pressure".CHEMICAL PHYSICS LETTERS 661(2016):240-245.
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