Chlorine-functionalized keto-enamine-based covalent organic frameworks for CO2 separation and capture

Digambar Shinde, Mayur Ostwal, Xinbo Wang, Amol Mahalingappa Hengne, Yang Liu, Guan Sheng, Kuo-Wei Huang, Zhiping Lai

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

We report highly chemically and thermally stable chlorine-functionalized CAA-COF-1 and CAA-COF-2. The chlorine-functionalized COFs exhibited enhanced CO2 uptake (by ∼28–44%) in comparison with their pristine COF analogues (TpPa-1 and TpBd). Column breakthrough experiments reveal that CAA-COF-1 and CAA-COF-2 display a high CO2/N2 (10/90) gas mixture selectivity of 95 and 54, respectively. Additionally, CAA-COF-1 exhibits a CO2/CH4 (10/90) column breakthrough selectivity of 29.
Original languageEnglish (US)
Pages (from-to)7621-7625
Number of pages5
JournalCrystEngComm
Volume20
Issue number47
DOIs
StatePublished - 2018

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