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Design and synthesis of a multifunctional porous N-rich polymer containing s-triazine and Tröger's base for CO2 adsorption, catalysis and sensing

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Abstract

Porous organic polymers have shown potential applications in gas adsorption/separation, sensing, light-harvesting, catalysis and photovoltaic or electronic devices. In this work, a N-rich porous organic polymer containing s-triazine and Tröger's base has been synthesized through a simple reaction of 2,4,6-tris(4-aminophenyl)-s-triazine (TAPT) and dimethoxymethane. The N2 adsorption of the polymer at 77 K reveals a type I isotherm of microporous materials, and the polymer exhibits a surface area of 473.1 m2 g−1 and CO2 uptake of 49.8 cm3 g−1 at 1 bar and 273 K. Due to the presence of abundant N binding sites, it shows high isosteric heat for CO2 up to 33.7 kJ mol−1 and good CO2 adsorption selectivity over N2 and CH4 at 273 K. In addition, the polymer exhibits colorimetric performance for the naked-eye detection of HCl gas, and it has a good stability to recovery. Furthermore, the material can also be used as a heterogeneous basic catalyst of the Knoevenagel condensation reaction between aromatic aldehyde and malononitrile in excellent yields. This general synthetic method may lead to the development of a new class of N-rich porous organic polymers with multifunctions.

Graphical abstract: Design and synthesis of a multifunctional porous N-rich polymer containing s-triazine and Tröger's base for CO2 adsorption, catalysis and sensing

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Publication details

The article was received on 31 Jan 2018, accepted on 12 Apr 2018 and first published on 12 Apr 2018


Article type: Paper
DOI: 10.1039/C8PY00177D
Citation: Polym. Chem., 2018, Advance Article
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    Design and synthesis of a multifunctional porous N-rich polymer containing s-triazine and Tröger's base for CO2 adsorption, catalysis and sensing

    Y. Cui, J. Du, Y. Liu, Y. Yu, S. Wang, H. Pang, Z. Liang and J. Yu, Polym. Chem., 2018, Advance Article , DOI: 10.1039/C8PY00177D

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