Construction of tetraphenylethylene-based fluorescent hydrogen-bonded organic frameworks for detection of explosives

Guo, GM; Wang, DB; Zheng, XH; Bi, XW; Liu, SP; Sun, LS; Zhao, YJ

Abstract

Three tetraphenylethylene-based fluorescent single crystals (TPE-AA-1, 2, 3) were formed from different solvents. Three different self-assembly modes were adopted due to the solvent effect. One HOFs (hydrogen-bonded organic frameworks) structure with characteristic porosity was obtained from acetonitrile/acetic acid as solvents. TPE-AA-3 show the best detection performance for nitro explosives.

Keywords: Hydrogen-bonded organic frameworks; Tetraphenylethene; Single crystals; Explosives detection

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