Issue 14, 2019
From the journal:

Analyst

Evidence of CT complex formation between a probe and unreacted methylimidazole in imidazolium cation based ionic liquids: sensing by functionalised 2-benzyledinemalononitrile†

Manish Kumar Tiwari, ORCID logo a   Monika Das ORCID logo a  and  Satyen Saha ORCID logo *a  

* Corresponding authors

a Department of Chemistry, Institute of Science, Banaras Hindu University, Varanasi 221005, India
E-mail: satyen.saha@gmail.com

Abstract

Here we report for the first time that unreacted N-methylimidazole (MIM) which is often a common impurity, can corrupt the results of a photophysical investigation of a probe molecule in imidazolium cation based RTILs. In addition, we propose a new type of sensor (functionalised 2-benzyledinemalononitrile derivative) for easy colorimetric detection and quantitative estimation of unreacted colourless MIM in RTILs.

Graphical abstract: Evidence of CT complex formation between a probe and unreacted methylimidazole in imidazolium cation based ionic liquids: sensing by functionalised 2-benzyledinemalononitrile

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Article information

DOI
https://doi.org/10.1039/C9AN00575G
Article type
Paper
Submitted
29 Mar 2019
Accepted
01 Jun 2019
First published
03 Jun 2019

Analyst, 2019,144, 4432-4438

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Evidence of CT complex formation between a probe and unreacted methylimidazole in imidazolium cation based ionic liquids: sensing by functionalised 2-benzyledinemalononitrile

M. K. Tiwari, M. Das and S. Saha, Analyst, 2019, 144, 4432 DOI: 10.1039/C9AN00575G

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