湿条件下的高性能亲二氧化碳氧化石墨烯膜
High-performance CO2-philic graphene oxide membranes under wet-conditions.
作者信息
Kim Hyo Won, Yoon Hee Wook, Yoo Byung Min, Park Jae Sung, Gleason Kristofer L, Freeman Benny D, Park Ho Bum
机构信息
Department of Energy Engineering, Hanyang University, Seoul 133-791, Republic of Korea.
出版信息
Chem Commun (Camb). 2014 Nov 14;50(88):13563-6. doi: 10.1039/c4cc06207h.
PMID:25243726
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.
摘要
通过旋涂法将超薄氧化石墨烯（GO）（<5纳米）膜制备在微孔聚合物支撑膜上。GO膜表现出高度的二氧化碳渗透性，适用于二氧化碳分离。在水蒸气存在的情况下，通过增强二氧化碳吸附实现了高二氧化碳选择性（例如，二氧化碳/氢气、二氧化碳/氮气和二氧化碳/甲烷）。
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