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A novel aggregation-induced-emission-active supramolecular organogel for the detection of volatile acid vapors

Abstract

It is of great importance to develop a convenient, portable and rapid detection method for volatile acid vapors because exposure to them could lead harm to the human body. Hence, an organogelator PFAP based on multi self-assembly driving forces and aggregation-induced emission (AIE) characteristics was designed and synthesized. The self-assembly behavior and photophysical properties of PFAP were also studied. Gelator PFAP can form stable organogel in the selected solvents. The results of 1H NMR spectra and X-ray diffraction pattern reveal that hydrogen bonds and π-π interactions play important roles in gelling process. PFAP exhibits remarkable AIE behavior originated from restricted intramolecular motion (RIM). Furthermore, xerogel-based film of PFAP emits strong cyan fluorescence and could be used as a chemosensor to detect volatile acid vapors with excellent performance owing to its large surface area, AIE property and amplified fluorescence quenching. The above-mentioned results suggest that the organogelation of AIE materials is of assistance in the rational design of efficient chemosensors for gas detection.

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Publication details

The article was received on 27 May 2018, accepted on 24 Jul 2018 and first published on 11 Sep 2018


Article type: Paper
DOI: 10.1039/C8NJ02616E
Citation: New J. Chem., 2018, Accepted Manuscript
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    A novel aggregation-induced-emission-active supramolecular organogel for the detection of volatile acid vapors

    X. yang, Y. Liu, J. Li, Q. Wang, M. Yang and C. Li, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ02616E

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