An investigation of trioctylmethylammonium ionic liquids by X-ray photoelectron spectroscopy: The cation-anion interaction

被引：4
|
作者：
Liu, Yanhui [1 ]
Ma, Chao [1 ]
Men, Shuang [1 ,2 ]
Jin, Yujuan [2 ]
机构：
[1] Shenyang Ligong Univ, Sch Mat Sci & Engn, Shenyang 110159, Liaoning, Peoples R China
[2] Beijing Technol & Business Univ, Beijing Key Lab Qual Evaluat Technol Hyg & Safety, Beijing 100048, Peoples R China
来源：
JOURNAL OF ELECTRON SPECTROSCOPY AND RELATED PHENOMENA | 2018年 / 223卷
基金：
中国博士后科学基金; 美国国家科学基金会;
关键词：
X-ray photoelectron spectroscopy; Trioctylmethylammonium ionic liquids; Cation-anion interactions; ELECTRONIC ENVIRONMENT; IMIDAZOLIUM; SURFACE; XPS; CATALYSIS; AMMONIUM; ANALOGS;
D O I：
10.1016/j.elspec.2018.01.003
中图分类号：
O433 [光谱学];
学科分类号：
0703 ; 070302 ;
摘要：
In this study, two trioctylmethylammonium ionic liquids were investigated using X-ray photoelectron spectroscopy, together with two binary ionic liquid mixtures. The interaction between the cation and the anion is demonstrated in detail. The effect of both the anion basicity and the cation acidity on the charge transferred from the anion to the cation is explored. By using ionic liquid mixtures with binary cations, the electronic environment of the anion can be effectively tuned. XPS data can be used to reflect such subtle change. (C) 2018 Elsevier B.V. All rights reserved.
引用
收藏
页码：79 / 83
页数：5
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