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Disordering and Reordering of Ionic Liquids under an External Electric Field
Wang, Yanting; Wang, YT , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 E Zhongguancun Rd, Beijing 100190, Peoples R China
2009
发表期刊JOURNAL OF PHYSICAL CHEMISTRY B
ISSN1520-6106
卷号113期号:32页码:11058-11060
摘要The previous study (Wang and Voth, J. Am. Chem. Soc. 2005, 127, 12192) has shown that the nonpolar alkyl cationic tail groups of ionic liquids can aggregate and form nanoscale spatial heterogeneity. To facilitate applications of ionic liquids under nonequilibrium conditions, it is of great interest to see how this spatial heterogeneity of ionic liquids changes when an external electric field is applied. The nonequilibrium molecular dynamics simulations indicate that, when the external electric field strength increases, the ionic liquid structure is first disordered from spatially heterogeneous to spatially homogeneous, and is then reordered to nematic-like. Accordingly, both the ionic self-diffusion and the system volume increase in the spatially homogeneous region and decrease in the nematic-like region. This is understood by the competition between the external electric field and the electrostatic interactions between ions.
部门归属Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, Beijing 100190, Peoples R China
学科领域Physics
资助者Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences
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收录类别SCI
资助者Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences ; Chinese Academy of Sciences
WOS记录号WOS:000268661100003
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/5262
专题理论物理所SCI论文
通讯作者Wang, YT , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 E Zhongguancun Rd, Beijing 100190, Peoples R China
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Wang, Yanting,Wang, YT , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 E Zhongguancun Rd, Beijing 100190, Peoples R China. Disordering and Reordering of Ionic Liquids under an External Electric Field[J]. JOURNAL OF PHYSICAL CHEMISTRY B,2009,113(32):11058-11060.
APA Wang, Yanting,&Wang, YT , Chinese Acad Sci, Key Lab Frontiers Theoret Phys, Inst Theoret Phys, 55 E Zhongguancun Rd, Beijing 100190, Peoples R China.(2009).Disordering and Reordering of Ionic Liquids under an External Electric Field.JOURNAL OF PHYSICAL CHEMISTRY B,113(32),11058-11060.
MLA Wang, Yanting,et al."Disordering and Reordering of Ionic Liquids under an External Electric Field".JOURNAL OF PHYSICAL CHEMISTRY B 113.32(2009):11058-11060.
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