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

Literature Information

Publication Date 2019-06-03
DOI 10.1039/C9AN00575G
Impact Factor 4.616
Authors

Manish Kumar Tiwari, Monika Das, Satyen Saha


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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.

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