Highly conjugated carbazole and pyrrolo[1,2-a]quinoxaline based small molecules for fluorescent detection of nitroexplosives
Journal of Photochemistry and Photobiology A: Chemistry(2022)
Abstract
•Design and synthesis of small molecules for fluorescence detection of nitroexplosives.•Highly conjugated carbazole and pyrrolo[1,2-a]quinoxaline based fluorophores.•Linear fluorescence quenching based on charge transfer mechanism confirmed by DFT.•Detection limits of 0.1 μM for picric acid & 1 μM for DNT & TNT.
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Key words
Explosive detection,Nitroexplosive,Carbazole,Pyrrolo[1,2-a]quinoxaline,Fluorescence quenching,FRET
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