| 학회 |
한국고분자학회 |
| 학술대회 |
2020년 가을 (10/05 ~ 10/08, 부산컨벤션센터(BEXCO)) |
| 권호 |
45권 1호 |
| 발표분야 |
고분자가공/복합재료 |
| 제목 |
Direct Growth of Ultrathin ZIF-8 Membrane on Graphene Nanoribbon Treated Polymeric Support for hydrogen/hydrocarbon Separation |
| 초록 |
Zeolitic imidazolate framework-8 (ZIF-8) membranes are promising to separate hydrogen/hydrocarbon mixture due to its precise molecular sieving property. To maximize the separation efficiency with high permeance and selectivity, it is required to form ultrathin ZIF-8 layer on porous support without defects. However, previous ZIF-8 based membranes were usually thick (~1 μm) and mainly fabricated on inorganic supports because the precursors for ZIF-8 films were passed through into the porous supports and the overgrowth of ZIF-8 film were occurred. Herein, graphene oxide nanoribbons (GONR) were deposited on porous polymeric support and ZIF-8 layer was directly grown on its top surface. The thickness of the ZIF-8 layer is ultrathin around 400 nm because the GONR layer blocks the overgrowth of ZIF-8 film into the porous support. The ZIF-8 membrane showed high permeance and selectivity for hydrogen because of its ultrathin thickness and negligible gas flow resistance through the GONR layer. |
| 저자 |
최은지, 김대우
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| 소속 |
연세대 |
| 키워드 |
gas separation; ZIF-8; graphene oxide nanoribbon; hydrogen separation; metal-organic framework
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| E-Mail |
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