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SCI(S) Article

Selective Gas Transport Through Few-Layered Graphene and Graphene Oxide Membranes
Author Kim, Hyo Won (Dept Energy Engn); Yoon, Hee Wook (Dept Energy Engn); Yoo, Byung Min (Dept Energy Engn); Ahn, Byung Kook (Dept Energy Engn); Cho, Young Hoon (Dept Energy Engn); Shin, Hye Jin (Dept Energy Engn); 백운규 (Dept Energy Engn); Park, Ho Bum (Dept En
Corresponding Author Info Choi, JY (reprint author), Samsung Elect, SAIT, Suwon 446712, South Korea.
E-mail
Document Type Article
Source SCIENCE Volume:342 Issue:6154 Pages:91-95 Published:2013
Times Cited 133
External Information http://dx.doi.org/10.1126/science.1236098
Abstract Graphene is a distinct two-dimensional material that offers a wide range of opportunities for membrane applications because of ultimate thinness, flexibility, chemical stability, and mechanical strength. We demonstrate that few-and several-layered graphene and graphene oxide (GO) sheets can be engineered to exhibit the desired gas separation characteristics. Selective gas diffusion can be achieved by controlling gas flow channels and pores via different stacking methods. For layered (3- to 10-nanometer) GO membranes, tunable gas transport behavior was strongly dependent on the degree of interlocking within the GO stacking structure. High carbon dioxide/nitrogen selectivity was achieved by well-interlocked GO membranes in high relative humidity, which is most suitable for postcombustion carbon dioxide capture processes, including a humidified feed stream.
Web of Science Categories Multidisciplinary Sciences
Funding Korea Carbon Capture and Sequestration Research and Development Center (KCRC) [2012-0008907]; Korea government (Ministry of Science, Information Communication Technology and Future Planning); National Synchrotron Light Source at Brookhaven National Labora
Language English
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