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A covalent triazine-based framework from tetraphenylthiophene and 2,4,6-trichloro-1,3,5-triazine motifs for sensing o-nitrophenol and effective I2 uptake

Abstract

A covalent triazine-based framework with tetraphenylthiophene backbone (TTPT) was prepared by the AlCl3 catalyzed Friedel-Crafts reaction of commercially available materials 2,4,6-trichloro-1,3,5-triazine with tetraphenylthiophene in dichloromethane. This is the first report about the tetraphenylthiophene-based covalent triazine-based framework, which belongs to nitrogen-rich conjugated microporous polymer. The surface area of TTPT was 315.5 m2 g−1. Taking advantages of its large surface area and strong fluorescence, TTPT showed very fast responses and high sensitivity, selectivity to sensing o-nitrophenol, with an SV constant of 6.20×103 L mol−1. The limit of detection (LOD) was 2.18×10-9 mol L-1. Furthermore, TTPT displayed efficient, reversible adsorption of radioactive I2 in vapor (up to 1.77 g g-1) and in solution.

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Publication details

The article was received on 01 Nov 2017, accepted on 02 Jan 2018 and first published on 03 Jan 2018


Article type: Paper
DOI: 10.1039/C7PY01834G
Citation: Polym. Chem., 2018, Accepted Manuscript
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    A covalent triazine-based framework from tetraphenylthiophene and 2,4,6-trichloro-1,3,5-triazine motifs for sensing o-nitrophenol and effective I2 uptake

    T. Geng, W. Zhang, Z. Zhu, G. Chen, L. Ma, S. Ye and Q. Niu, Polym. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C7PY01834G

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