Effective Acetylene/Ethylene Separation at Ambient Conditions by a Pigment-Based Covalent-Triazine Framework

Yue Lu, Jia He, Yanli Chen, Heng Wang, Yunfeng Zhao, Yu Han, Yi Ding

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

A novel covalent-triazine framework (CTF-PO71) is designed and prepared from an organic pigment molecule for high-performance gas separation. The functional sites with different electrostatic potentials on the pore surface of CTF-PO71 demonstrate a strong interaction between C2H2 and CTF-PO71 to achieve preferential adsorption of C2H2 over C2H4, thus enabling effective capture of a trace amount of C2H2 from the gas mixture. This is the first organic porous polymer that is capable of separating C2H2 and C2H4. The commercial availability and the low cost of the pigment as well as the high stability of the resultant framework endow CTF-PO71 with a significant potential for practical applications.
Original languageEnglish (US)
Pages (from-to)1700468
JournalMacromolecular Rapid Communications
Volume39
Issue number2
DOIs
StatePublished - Oct 24 2017

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