Issue 2, 2018

Imidazole and triazole head group-containing polydiacetylenes for colorimetric monitoring of pH and detecting HCl gas

Abstract

The family of conjugated polymers known as polydiacetylenes (PDAs) has been extensively utilized in designing stimuli-responsive colorimetric and fluorometric sensors. In the current study, we have developed highly sensitive and rapidly responsive colorimetric chemosensors composed of PDAs bearing imidazole (PDA-Im) and triazole (PDA-Ta) head groups for the determination of pH and the detection of HCl gas. In solution, PDA-Im and PDA-Ta display distinct colorimetric changes from blue to red accordingly in response to pH changes. Also, a PDA-Im film was fabricated to detect HCl by a visibly observed blue-to-red color change.

Graphical abstract: Imidazole and triazole head group-containing polydiacetylenes for colorimetric monitoring of pH and detecting HCl gas

Supplementary files

Article information

Article type
Research Article
Submitted
15 11 2017
Accepted
06 12 2017
First published
06 12 2017

Mater. Chem. Front., 2018,2, 291-295

Imidazole and triazole head group-containing polydiacetylenes for colorimetric monitoring of pH and detecting HCl gas

W. Lee, D. Lee, J. Kim, S. Lee and J. Yoon, Mater. Chem. Front., 2018, 2, 291 DOI: 10.1039/C7QM00528H

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