超高压条件下室温离子液体结构和性质的研究进展

苏磊

doi:10.11858/gywlxb.2014.01.001

超高压条件下室温离子液体结构和性质的研究进展

doi: 10.11858/gywlxb.2014.01.001

苏磊

郑州轻工业学院高压科学与技术研究中心，河南郑州 450002

基金项目: 国家自然科学基金(21273206); 河南省高等学校青年骨干教师资助计划项目(2010GGJS-110)

详细信息

作者简介:
苏磊(1977－),男,博士,教授,主要从事高压物理及物理化学研究.E-mail:leisu2050@gmail.com

中图分类号: O521.2
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出版历程
- 收稿日期: 2013-12-17
- 修回日期: 2014-01-30

Progress of Investigations on the Condensed Structures and Properties of Room Temperature Ionic Liquid under High Pressure

SU Lei

The High Pressure Research Center of Science and Technology, Zhengzhou University of Light Industry, Zhengzhou 450002, China

摘要

摘要: 室温离子液体作为一种超级绿色溶剂，在工业化生产中具有极其广阔的应用前景。探讨室温离子液体在超高压等极端条件下的结构和性质之间的内在联系，阐明室温离子液体结晶固化机制，不但是离子液体这种特殊物质的基础研究问题，同时其结果也将直接使离子液体的应用研究获得收益。在对室温离子液体的研究现状进行综合分析的基础上，着重概述了超高压等极端条件下室温离子液体结构和性质的研究进展、潜在应用和发展方向，以期有助于今后室温离子液体的研究和应用。
- 高压 /
- 室温离子液体 /
- 结构 /
- 性质
Abstract: Room temperature ionic liquid, which is viewed as a kind of super green solvent, has broad application prospect in industrial production.In this paper, the intrinsic relationship between the condensed structures and properties of room temperature ionic liquids under high pressure has been reviewed in detail.Furthermore, the mechanism of crystallization of room temperature ionic liquids is elucidated.Those fundamental researches will contribute to the application of room temperature ionic liquids.Based on the recent progress in the studies of room temperature ionic liquids, the relationship between the condensed structures and properties, potential application and development prospect under high pressure are highlighted, which may facilitate the research and application of room temperature ionic liquid in the future.
- pressure /
- room temperature ionic liquid /
- structure /
- property

HTML全文

图 1 高压下室温离子液体[Bmim][PF₆]的结晶过程^[34]

Figure 1. In situ crystallization of low-melting ionic liquid [Bmim][PF₆] under high pressure^[34]

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图 2 高压下室温离子液体[Bmim][BF₄]的多相态变化过程^[35]

Figure 2. In situ observation of multiple phase transitions in low-melting ionic liquid [Bmim][BF₄] under high pressure^[35]

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图 3 [Bmim][PF₆]在0～1.0 GPa压力下的p-T相图^[31]

Figure 3. p-T phase diagram of ionic liquid [Bmim][PF₆] under high pressure up to 1.0 GPa^[31]

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图 4 [Emim][PF₆]在0～1.0 GPa压力下的p-T相图^[31]

Figure 4. p-T phase diagram of ionic liquid [Emim][PF₆] under high pressure up to 1.0 GPa^[31]

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图 5(a) 高压下[Bmim][BF₄]声速的等温线^[41]

Figure 5(a). Isotherms for the experimental speed of sound in [Bmim][BF₄]^[41]

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图 5(b) 高压下[Bmim][BF₄]密度的等温线^[41]

Figure 5(b). Isotherms for the experimental density of [Bmim][BF₄]^[41]

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图 6 物质压缩和冷却过程示意图

Figure 6. Schematic drawing of compression and cooling

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