Synthesis, Characterization, Thermal Analyses, and Spectroscopic Properties of Novel Naphthyl-Functionalized Imidazolium Ionic Liquids

被引：0
作者：
Meihuan Yao
Qing Li
Yanqiu Xia
Yongmin Liang
机构：
[1] Henan Normal University,School of Chemistry and Chemical Engineering
[2] Lanzhou Institute of Chemical Physics,State Key Laboratory of Solid Lubrication
[3] Chinese Academy of Sciences,School of Energy and Mechanical Engineering
[4] North China Electric Power University,undefined
来源：
Russian Journal of Physical Chemistry A | 2018年 / 92卷
关键词：
ionic liquids; spectroscopy; naphtyl-functionalized; thermal analyses; fluorescence; UV–Vis absorption;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A series of novel ionic liquids based on naphthyl-functionalized imidazolium cation have been prepared. Their structure was characterized by NMR. The thermal stabilities of the prepared liquids were studied by thermal gravimetric analysis. The new ionic liquids containing NTf-2 anion display significantly higher thermal stabilities (>400°C). Anion exchange to PF-6, BF-4, and Br– decreases the thermal stabilities of such ionic liquids. Fluorescence and UV–Vis absorption spectroscopy were used to study the spectroscopic properties of the ionic liquids. Compared with common ionic liquids, the described ionic liquids provide robust fluorescence properties and remarkably increased UV–Vis absorption. This research may enrich the field of functionalized ionic liquids and provide a platform for extension of ionic liquid applications.
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页码：502 / 507
页数：5
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