Issue 42, 2023
From the journal:

New Journal of Chemistry

Terminal substituent-induced differential aggregation and sensing properties: A case study of neutral benzimidazole-based urea receptors†

Rubi Moral, ORCID logo a   Oiyao Appun Pegu ORCID logo a  and  Gopal Das ORCID logo *a  

* Corresponding authors

a Department of Chemistry, Indian Institute of Technology Guwahati, Assam 781039, India
E-mail: gdas@iitg.ac.in
Tel: +91 361 258 2313

Abstract

Two neutral benzimidazole-based urea receptors R1 and R2 with varying functional groups led to changes in aggregation as well as chemosensing properties. While R1 displayed aggregation-induced emission (AIE) properties by showing the highest emission in water against binary solvent switching, R2, on the other hand, showed typical aggregation-caused quenching (ACQ) behaviour. Both R1 and R2, however, could sense SO42−/HSO4− in an aqueous medium although with different binding affinities, the mechanistic details of which are investigated with the help of different spectroscopic, microscopic, and theoretical approaches.

Graphical abstract: Terminal substituent-induced differential aggregation and sensing properties: A case study of neutral benzimidazole-based urea receptors

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Article information

DOI
https://doi.org/10.1039/D3NJ03806H
Article type
Paper
Submitted
14 Aug 2023
Accepted
29 Sep 2023
First published
02 Oct 2023

New J. Chem., 2023,47, 19625-19632

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Terminal substituent-induced differential aggregation and sensing properties: A case study of neutral benzimidazole-based urea receptors

R. Moral, O. A. Pegu and G. Das, New J. Chem., 2023, 47, 19625 DOI: 10.1039/D3NJ03806H

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