Naturally occurring gallic acid derived multifunctional porous polymers for highly efficient CO2 conversion and I2 capture,Green Chemistry

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Naturally occurring gallic acid derived multifunctional porous polymers for highly efficient CO2 conversion and I2 capture
Green Chemistry ( IF 9.3 ) Pub Date : 2018-09-10 , DOI: 10.1039/c8gc02685h
Chao Xie _{1,

2,

3,

4,

5} , Jinliang Song _{1,

2,

3,

4,

5} , Haoran Wu _{1,

2,

3,

4,

5} , Yue Hu _{1,

2,

3,

4,

5} , Huizhen Liu _{1,

2,

3,

4,

5} , Youdi Yang _{1,

2,

3,

4,

5} , Zhanrong Zhang _{1,

2,

3,

4,

5} , Bingfeng Chen _{1,

2,

3,

4,

5} , Buxing Han _{1,

2,

3,

4,

5}

Affiliation

Assembly of naturally occurring building blocks into functional materials is of great importance. Herein, we utilized plant-derived polyphenols as building blocks to prepare porous organic polymers (POPs) 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, the GA-azo-POP showed a high capacity for I₂ adsorption (up to 287 mg g⁻¹), which was higher than that of the reported solid materials at a similar I₂ concentration. More interestingly, after adsorbing I₂, the GA-azo-POP could efficiently catalyze the formation of cyclic carbonates from CO₂. The excellent performance of the GA-azo-POP resulted from the co-existence of aromatic, azo, and phenolic OH functional groups and its porous structure.

中文翻译：

天然没食子酸衍生的多功能多孔聚合物，可高效转化CO ₂和捕获I ₂

将天然存在的构建基块组装成功能材料非常重要。在这里，我们利用植物来源的多酚作为构建基来制备具有多功能位点的多孔有机聚合物（POP），并且可以通过偶氮偶联策略从没食子酸中获得典型的POP（称为GA-azo-POP）。作为优良的载体，GA-偶氮-POP负载的Ag纳米颗粒可以有效地催化炔丙基醇与CO ₂的羧基环化，而使用的Ag量非常少（0.14 mol％）。同时，GA-azo-POP表现出高的I ₂吸附能力（高达287 mg g ^-1），高于报道的类似I _2的固体材料的吸附能力。专注。更有趣的是，GA-azo-POP吸附I _2后，可以有效地催化由CO ₂形成环状碳酸酯。GA-azo-POP的优异性能归因于芳族，偶氮和酚式OH官能团及其多孔结构的共存。

更新日期：2018-10-15

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