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Issue 13, 2016
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A facile and visual approach for the detection of trace level ammonia vapours under ambient conditions

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Abstract

A highly sensitive aromatic nucleophilic substitution reaction between BODIPY dye (1) and ammonia is explored and demonstrated as a potential tool for ammonia vapor detection. The high specificity under room temperature conditions signifies real-time application of the designed approach for ammonia vapour monitoring under ambient environments. The recognition events revealed instantaneous chromogenic and fluorogenic display. The photophysical modulation could effectively be achieved in the solid phase of the dye, obtained through physical impregnation on a silica surface. The resulting approach is efficient for monitoring ammonia gas in the ppm to ppb range via both absorption and emission responses. This ammonia vapour chemodosimetry was unambiguously characterized through single crystal XRD and 2D-NMR (1H–19F NOESY).

Graphical abstract: A facile and visual approach for the detection of trace level ammonia vapours under ambient conditions

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Supplementary files

Article information


Submitted
28 Jan 2016
Accepted
25 Feb 2016
First published
01 Mar 2016

J. Mater. Chem. C, 2016,4, 2452-2456
Article type
Communication

A facile and visual approach for the detection of trace level ammonia vapours under ambient conditions

M. A. Kaloo, A. Raja Sekhar, R. V. Ramana Reddy, R. S. Raman and J. Sankar, J. Mater. Chem. C, 2016, 4, 2452
DOI: 10.1039/C6TC00426A

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