An amino-substituted 2-(2′-hydroxyphenyl)benzimidazole for the fluorescent detection of phosgene based on an ESIPT mechanism
Year: 2021
Type: article
Abstract: In this work, an ESIPT-based fluorescence probe, 5'-amino-2-(2'-hydroxyphenyl)benzimidazole (P1), was synthesized and explored for the ratiometric detection of phosgene. Compared to 2-(2'-hydroxyphenyl)benzimidazole (HBI), P1 exhibits high sensitivity (LoD = 5.3 nM) and selectivity toward phosgene with the introduction of the amine group. Furthermore, simple P1 loaded test papers are manufactured and display selective fluorescent detection of phosgene in the gas phase.
Source: RSC Advances
DOI: 10.1039/d1ra00811k
Authors: Zi-Jie Li, Wen-Jie Zhang, Wen-Zhu Bi, Qiu-Juan Ma, Su-Xiang Feng, Xiao-Lan Chen, Ling-Bo Qu
Language: English
Subfield: Spectroscopy
Field: Chemistry
Domain: Physical Sciences
Open Access status: gold
Estimated APC paid: $1,042
Award: G6890491897
OpenAlex ID: W3136830322