Facile synthesis of porous organic polymers bifunctionalized with azo and porphyrin groups

Xiaowei Jiang, Yunfei Liu, Jun Liu, Yali Luo, Yinong Lyu

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29 Scopus citations

Abstract

Azo and porphyrin bifunctionalized porous polymers networks (azo-PPors) were synthesized via a catalyst-free direct coupling of tetra(4-nitrophenyl)porphyrin and several readily available aryl amine monomers. The resulting porous solids exhibited surface areas up to 750 m2 g-1, with high thermal and chemical stability. Owing to the high concentration of Lewis basic N-sites at their surfaces (derived from porphyrin rings and azo units), these azo-PPors have high CO2 capture (up to 2.45 mmol g-1) and good selectivity for CO2/CH4 adsorption (5) at 273 K/1.0 bar, thus showing good potential for CO2 capture.

Original languageEnglish
Pages (from-to)98508-98513
Number of pages6
JournalRSC Advances
Volume5
Issue number119
DOIs
StatePublished - 2015

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