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Naturally occurring gallic acid derived multifunctional porous polymer for highly efficient CO2 conversion and I2 capture

Abstract

Assembly of naturally occurring building blocks into functional materials is of great importance. Herein, we utilized plant-derived polyphenols as the building blocks to prepare porous organic polymer (POP) with multifunctional sites, and a typical POP (denoted as GA-azo-POP) could be achieved from gallic acid through an azo-coupling strategy. As a superior support, GA-azo-POP supported Ag nanoparticles could efficiently catalyze the carboxylative cyclization of propargyl alcohols with CO2 with a very low usage of Ag (0.14 mol%). Meanwhile, GA-azo-POP showed a high capacity for I2 adsorption (up to 287 mg/g), which was higher than that of reported solid materials under the similar I2 concentration. More interesting, after adsorbing I2, GA-azo-POP could efficiently catalyze the formation of cyclic carbonates from CO2. The excellent performance of GA-azo-POP resulted from the co-existence of aromatic, azo, and phenolic OH functional groups and its porous structure.

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Publication details

The article was accepted on 10 Sep 2018 and first published on 10 Sep 2018


Article type: Paper
DOI: 10.1039/C8GC02685H
Citation: Green Chem., 2018, Accepted Manuscript
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    Naturally occurring gallic acid derived multifunctional porous polymer for highly efficient CO2 conversion and I2 capture

    C. Xie, J. Song, H. Wu, Y. Hu, H. Liu, Y. Yang, Z. Zhang, B. Chen and B. Han, Green Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8GC02685H

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