Calix[4]pyrrole-Based Azo-Bridged Porous Organic Polymer for Bromine Capture

被引：60

作者：

Chen, Di ^{[1
]}

Luo, Dan ^{[1
]}

He, Yanlei ^{[1
]}

Tian, Jinya ^{[1
]}

Yu, Yao ^{[1
]}

Wang, Hongyu ^{[2
,3
]}

Sessler, Jonathan L. ^{[4
]}

Chi, Xiaodong ^{[1
]}

机构：

[1] Huazhong Univ Sci & Technol, Sch Mat Sci & Engn, State Key Lab Mat Proc & Die & Mold Technol, Wuhan 430074, Peoples R China

[2] Shanghai Univ, Coll Sci, Dept Chem, Shanghai 200444, Peoples R China

[3] Shanghai Univ, Ctr Supramol Chem & Catalysis, Shanghai 200444, Peoples R China

[4] Univ Texas Austin, Dept Chem, Austin, TX 78712 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2022年 / 144卷 / 37期

基金：

中国国家自然科学基金;

关键词：

IODINE CAPTURE; FRAMEWORKS; RECOGNITION; REMOVAL; MICROPOLLUTANTS; NETWORK;

D O I：

10.1021/jacs.2c08327

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The toxicity, corrosiveness, and volatility of elemental bromine presents challenges for its safe storage and transportation. Purification from other halogens is also difficult. Here, we report an easy-to-prepare calix[4]pyrrole-based azobridged porous organic polymer (C4P-POP) that supports efficient bromine capture. C4P-POP was found to capture bromine as a vapor and from a cyclohexane source phase with maximum uptake capacities of 3.6 and 3.4 g.g(-1), respectively. Flow-through adsorption experiments revealed that C4P-POP removes 80% of the bromine from a 4.0 mM cyclohexane solution at a flow rate of 45 mL.h(-1). C4P-POP also allowed the selective capture of bromine from a 1:1 mixture of bromine and iodine in cyclohexane.

引用

页码：16755 / 16760

页数：6

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