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

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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.

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

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Publication details

The article was received on 19 Aug 2018, accepted on 18 Sep 2018 and first published on 05 Oct 2018


Article type: Communication
DOI: 10.1039/C8CE01397G
Citation: CrystEngComm, 2018, Advance Article
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    Chlorine-functionalized keto-enamine-based covalent organic frameworks for CO2 separation and capture

    D. B. Shinde, M. Ostwal, X. Wang, A. M. Hengne, Y. Liu, G. Sheng, K. Huang and Z. Lai, CrystEngComm, 2018, Advance Article , DOI: 10.1039/C8CE01397G

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