What is it about?
A new sensing strategy for probing Nitroaromatic compounds without depending on film thickness, the incorporation of sensory materials such as CPs and/or small molecules into electrospun nanofibers would be a fascinating approach. Among various sensory materials, π-electron-rich carbazole (CZ) molecule and its derivatives are promising compounds for building efficient sensing probes due to their excellent molar absorptivity, high photoluminescence quantum yield (PLQY), and inherent electron-donating properties. CZ molecules are extensively studied as chemosensors, particularly for the detection of TNT, both in the solution and vapor phase. The easy structural modifications of these molecules make them an efficient chemosensory material for NAEs detection
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Why is it important?
The nitro explosives such as 2,4-Dinitrotoluene (DNT) and 2,4,6-Trinitrotoluene (TNT) are the most commonly used nitroaromatic explosives (NAEs) for ammunition and mining applications. The toxicity, mutagenicity, and carcinogenicity of these explosives pose a severe threat to public health and the environment; that is why the early detection of NAEs is much needed. Much attention has already been paid off to improve the sensitivity and reliability of TNT detection with simple and cost-efficient approaches. For ultra-sensitive detection of NAEs, a vast majority of the reported works were focused on synthesizing nanosized platforms involving nanocomposites, nanoparticles, nanocrystals, and nanofibers viz, increasing the active surface area of sensing materials.
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doped fluorescent electrospun nanofibers for highly sensitive detection of nitroaromatics, Journal of Applied Polymer Science, May 2022, Wiley, DOI: 10.1002/app.52518.
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