High-performance CO2-philic graphene oxide membranes under wet-conditions

Hyo Won Kim; Hee Wook Yoon; Byung Min Yoo; Jae Sung Park; Kristofer L. Gleason; Benny D. Freeman; Ho Bum Park

doi:10.1039/C4CC06207H

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High-performance CO₂-philic graphene oxide membranes under wet-conditions†

Hyo Won Kim,^a Hee Wook Yoon,^a Byung Min Yoo,^a Jae Sung Park,^b Kristofer L. Gleason,^b Benny D. Freeman^b and Ho Bum Park*^a

Author affiliations

* Corresponding authors

^a Department of Energy Engineering, Hanyang University, Seoul 133-791, Republic of Korea
E-mail: badtzhb@hanyang.ac.kr

^b Department of Chemical Engineering, Center for Energy and Environmental Resources, University of Texas at Austin, 10100 Burnet Road, Building 133, Austin, Texas 78758, USA

Abstract

Ultrathin graphene oxide (GO) (<5 nm) membranes were prepared by spin-casting onto microporous polymeric support membranes. GO membranes exhibited a highly CO₂ permeable character, which is suitable for CO₂ separation. In the presence of water vapour, high CO₂ selectivity (e.g., CO₂/H₂, CO₂/N₂, and CO₂/CH₄) was achieved by enhanced CO₂ sorption.

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Article information

DOI: https://doi.org/10.1039/C4CC06207H
Article type: Communication
Submitted: 08 Aug 2014
Accepted: 09 Sep 2014
First published: 22 Sep 2014

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Chem. Commun., 2014,50, 13563-13566

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High-performance CO₂-philic graphene oxide membranes under wet-conditions

H. W. Kim, H. W. Yoon, B. M. Yoo, J. S. Park, K. L. Gleason, B. D. Freeman and H. B. Park, Chem. Commun., 2014, 50, 13563 DOI: 10.1039/C4CC06207H

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