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DC Field | Value | Language |
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dc.citation.endPage | 11254 | - |
dc.citation.number | 22 | - |
dc.citation.startPage | 11246 | - |
dc.citation.title | JOURNAL OF MATERIALS CHEMISTRY A | - |
dc.citation.volume | 5 | - |
dc.contributor.author | Kim, Eunjoo | - |
dc.contributor.author | Hong, Sungwon | - |
dc.contributor.author | Jang, Eunhee | - |
dc.contributor.author | Lee, Jeong Hyeon | - |
dc.contributor.author | Kim, Jin Chul | - |
dc.contributor.author | Choi, Nakwon | - |
dc.contributor.author | Cho, Churl Hee | - |
dc.contributor.author | Nam, Jaewook | - |
dc.contributor.author | Kwak, Sang Kyu | - |
dc.contributor.author | Yip, Alex C.K. | - |
dc.contributor.author | Choi, Jungkyu | - |
dc.date.accessioned | 2023-12-21T22:12:09Z | - |
dc.date.available | 2023-12-21T22:12:09Z | - |
dc.date.created | 2017-05-17 | - |
dc.date.issued | 2017-06 | - |
dc.description.abstract | An all-silica deca-dodecasil 3R (Si-DDR) zeolite with a pore size of 0.36 × 0.44 nm2 is highly desirable for membrane-based separation of CO2 (0.33 nm) from N2 (0.364 nm), which is critical in the post-combustion carbon capture process, via molecular recognition of their slight size difference. For the first time, we acquired h0h-oriented, hydrophobic DDR zeolite films through the epitaxial growth of a DDR seed layer with a structure directing agent of methyltropinium iodide. The degree of the out-of-plane orientation and inter-growth was increased with the secondary growth time, while reducing the defects that provide non-selective pathways. The resulting DDR membrane showed a CO2/N2 separation factor (SF) as high as 11.9 at 50 °C (a representative flue-gas temperature) under the dry condition. More desirably, it could achieve a much enhanced CO2/N2 SF up to 15.9 at 50 °C in the presence of H2O vapor (3rd largest component in the flue-gas). The transport of the larger N2 molecule, plausibly its entering the pore mouth of DDR zeolites, was more inhibited by H2O molecules adsorbed on the membrane surface; it appears that this surface resistance was due to the hydrophobicity of the highly siliceous DDR membrane and beneficial for improving CO2/N2 SFs under the wet condition. | - |
dc.identifier.bibliographicCitation | JOURNAL OF MATERIALS CHEMISTRY A, v.5, no.22, pp.11246 - 11254 | - |
dc.identifier.doi | 10.1039/C7TA02462B | - |
dc.identifier.issn | 2050-7488 | - |
dc.identifier.scopusid | 2-s2.0-85021724249 | - |
dc.identifier.uri | https://scholarworks.unist.ac.kr/handle/201301/21975 | - |
dc.identifier.url | http://pubs.rsc.org/en/Content/ArticleLanding/2017/TA/C7TA02462B#!divAbstract | - |
dc.identifier.wosid | 000402734600054 | - |
dc.language | 영어 | - |
dc.publisher | ROYAL SOC CHEMISTRYROYAL SOC CHEMISTRY | - |
dc.title | An Oriented, Siliceous Deca-dodecasil 3R (DDR) Zeolite Film for Effective Carbon Capture: Insight into Its Hydrophobic Effect | - |
dc.type | Article | - |
dc.description.isOpenAccess | FALSE | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical; Energy & Fuels; Materials Science, Multidisciplinary | - |
dc.relation.journalResearchArea | Chemistry; Energy & Fuels; Materials Science | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.subject.keywordPlus | POSTCOMBUSTION CO2 CAPTURE | - |
dc.subject.keywordPlus | GRAPHENE OXIDE MEMBRANES | - |
dc.subject.keywordPlus | 8-RING CLATHRASIL DD3R | - |
dc.subject.keywordPlus | GAS SEPARATION | - |
dc.subject.keywordPlus | SECONDARY GROWTH | - |
dc.subject.keywordPlus | DIOXIDE CAPTURE | - |
dc.subject.keywordPlus | MFI MEMBRANES | - |
dc.subject.keywordPlus | PERMEATION PROPERTIES | - |
dc.subject.keywordPlus | ADSORPTION PROPERTIES | - |
dc.subject.keywordPlus | MOLECULAR-SIEVE | - |
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