Conductive plastic crystal phases of the 1-alkyl-2-methyl pyrrolinium TFSA salts

被引：25
作者：
Sun, J [1 ]
MacFarlane, DR
Forsyth, M
机构：
[1] Monash Univ, Sch Phys & Mat Engn, Clayton, Vic 3800, Australia
[2] Monash Univ, Sch Chem, Clayton, Vic 3800, Australia
来源：
SOLID STATE IONICS | 2002年 / 148卷 / 1-2期
基金：
澳大利亚研究理事会;
关键词：
1-alkyl-2-methyl pyrrolinium bis(trifluoromethane sulfonyl) amide; plastic crystal; conductivity; DSC; XRD;
D O I：
10.1016/S0167-2738(02)00057-7
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Characterization of a new family of salts, based on a number of 1-alkyl-2-methyl pyrrolinium cations and the bis(trifluoromethane sulfonyl) amide anion (TFSA), is presented. From the thermal analysis, conductivity and X-ray diffraction (XRD) measurements, at least one of the compounds of the family, 1-ethyl-2-methyl pyrrolinium TFSA, was found to exhibit plastic crystal phases before melting and to exhibit high conductivity in the solid state (1 x 10(-4) S cm(-1) at 25degreesC). This plastic crystal behaviour is discussed in comparison with other members of this pyrrolinium salt family. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：145 / 151
页数：7
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