期刊
RSC ADVANCES
卷 10, 期 35, 页码 20460-20466出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0ra03242e
关键词
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资金
- National Natural Science Foundation of China [21534004, 21833008]
- JLU-STIRT program at Jilin University
A viologen-based porous organic polymer, POP-V-VI, was designed and synthesized by a facile nucleophilic substitution between cyanuric chloride and 1,2-bis(4-pyridinium) ethylene. Together with the reported POP-V-BPY with a similar structure, these viologen-based porous organic polymers bear high charge density, phenyl ring and nitrogenous affinity sites, which endow them with excellent iodine vapor uptake capacity (4860 mg g(-1) for POP-V-VI and 4200 mg g(-1) for POP-V-BPY) and remarkably high adsorption capacity for pyridine (4470 mg g(-1) for POP-V-VI and 8880 mg g(-1) for POP-V-BPY) and other aliphatic amines. POP-V-VI and POP-V-BPY could be efficiently recycled and reused three times without significant loss of iodine vapor uptake. All these results demonstrate that POP-V-VI and POP-V-BPY are promising adsorbents for practical applications in portable devices such as gas masks.
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