Issue 1, 2016

A supramolecular H-bond driven light switch sensor for small anions

Abstract

A cationic iridium complex with a 2,2′-bibenzimidazole ligand can act as a luminescent sensor for various anions. Strong H-bond supported ion pair bonding with an electron accepting dinitro-benzoate anion switches the luminescence “off”. The luminescence of the sensor is switched back “on” when benzoate is replaced by competing H-bonded small anions, therefore leading to an enhanced sensitivity of the sensor system.

Graphical abstract: A supramolecular H-bond driven light switch sensor for small anions

Supplementary files

Article information

Article type
Communication
Submitted
22 Oct 2015
Accepted
18 Nov 2015
First published
18 Nov 2015

Dalton Trans., 2016,45, 74-77

Author version available

A supramolecular H-bond driven light switch sensor for small anions

S. A. Rommel, D. Sorsche and S. Rau, Dalton Trans., 2016, 45, 74 DOI: 10.1039/C5DT04152J

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