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.
![Graphical abstract: Synthesis of tetraphenylethylene pillar[6]arenes and the selective fast quenching of their AIE fluorescence by TNT](/en/Image/Get?imageInfo.ImageType=GA&imageInfo.ImageIdentifier.ManuscriptID=C4CC05189K&imageInfo.ImageIdentifier.Year=2014)
J. Wang, H. Feng and Y. Zheng, Chem. Commun., 2014, 50, 11407 DOI: 10.1039/C4CC05189K
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