Tetraphenylethylene pillar[6]arenes with an AIE effect were synthesized for the first time. The fluorescence of the pillar[6]arenes could be quenched much more and much faster by TNT than by other nitroaromatics including 2,4,6-trinitrophenol, which could be used to detect TNT in air.

Tetraphenylethylene pillar[6]arenes with an AIE effect can be used to detect TNT in air, as their fluorescence can be quenched more and faster by TNT than other nitroaromatics.

Paper

Synthesis of tetraphenylethylene pillar[6]arenes and the selective fast quenching of their AIE fluorescence by TNT.

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