Dielectric characterization of newtask ionic liquids with carboxyl groups by means of impedance spectroscopy from 10mHz to 10MHz

被引：1
|
作者：
Cassol, T. M. [1 ]
Duarte, A. R. [1 ]
Ribas, C. S. [1 ]
Fernandes, P. R. G. [2 ]
机构：
[1] Univ Tecnol Fed Parana, Dept Acad Fis Estat & Matemat, Dept Acad Quim & Ciencias Biol, Linha Santa Barbara S-N Caixa Postal 135, BR-85601970 Francisco Beltrao, Parana, Brazil
[2] Univ Estadual Maringa, Dept Fis, Lab Fluidos Complexos, Ave Colombo 5790, BR-87020900 Maringa, Parana, Brazil
来源：
JOURNAL OF MOLECULAR LIQUIDS | 2021年 / 332卷
基金：
巴西圣保罗研究基金会;
关键词：
Ionic liquids; Impedance spectroscopy; Permittivity; Conductivity; COMPONENTS;
D O I：
10.1016/j.molliq.2021.115804
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：
In this work, Broadband Dielectric Spectroscopy (BDS) techniqueis applied to investigate ((2-(3-methylimidazolyl-1-yl)-ethoxy)-carboyl)-benzoic-phthalic acid bromide (MC1) and 2-(3-methylimidazolyl-1-yl)-ethoxy-4-oxobutanoic acid bromide (MC2) ionic liquids. An impedance analyzer is used with frequencies ranging from 100mHz to 10MHz. The real and imaginary parts of the complexpermittivity, epsilon*(omega), and of the complex conductivity, sigma*(omega), of pure ionic liquids MC1 and MC2 and also aqueous solutions at 10% v/v, 50% v/v and 70% v/v as a function of temperature are discussed. (c) 2021 Elsevier B.V. All rights reserved.
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页数：7
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