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High-performance CO2-philic graphene oxide membranes under wet-conditions
Hyo Won Kim1, Hee Wook Yoon, Byung Min Yoo
1Department of Energy Engineering, Hanyang University, Seoul 133-791, Republic of Korea. badtzhb@hanyang.ac.kr.
Chemical Communications (Cambridge, England)
|September 23, 2014
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.
