DC Field | Value | Language |
---|---|---|
dc.contributor.advisor | Bae, Tae-Hyun | - |
dc.contributor.advisor | 배태현 | - |
dc.contributor.author | Kwon, Hyuntak | - |
dc.date.accessioned | 2023-06-23T19:31:38Z | - |
dc.date.available | 2023-06-23T19:31:38Z | - |
dc.date.issued | 2022 | - |
dc.identifier.uri | http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=1008287&flag=dissertation | en_US |
dc.identifier.uri | http://hdl.handle.net/10203/308870 | - |
dc.description | 학위논문(석사) - 한국과학기술원 : 생명화학공학과, 2022.8,[iii, 38 p :] | - |
dc.description.abstract | Graphene oxide (GO), a carbonaceous 2D nanomaterial, has received significant interest as a next-generation membrane building block. To fabricate high-performance membranes, an effective strategy involves stacking GO nanosheets in laminated structures, thereby creating unique nanochannel galleries. One outstanding merit of laminar GO membranes is that their permselectivity is readily tunable by tailoring the size of the nanochannels. Here, a high-performance GO-based nanofiltration membrane was developed by intercalating an aromatic crosslinker, α,α'-dichloro-p-xylene (DCX), between layers in laminated GO nanosheets. Owing to the formation of strong covalent bonds between the crosslinker and the GO, the resulting GO laminate membrane exhibited outstanding structural stability. Furthermore, due to the precisely controlled and enlarged interlayer spacing distance of the developed DCX-intercalated GO membrane, it achieved an over two-fold enhancement in water permeability (11 ± 2 LMH/bar) without sacrificing dye-solute rejection efficiency (≥99.5%), contrary to the case with a pristine GO membrane. | - |
dc.language | eng | - |
dc.publisher | 한국과학기술원 | - |
dc.subject | Graphene oxide▼aInterlayer spacing▼aNanofiltration▼aWater treatment▼aMolecular separation | - |
dc.subject | 산화그래핀▼a층 간격▼a나노여과▼a수처리▼a분자 분리 | - |
dc.title | Controlling interlayer spacing of graphene oxide membrane for enhanced molecular separation | - |
dc.title.alternative | 분리 성능 강화를 위한 그래핀 산화막의 층 간격 제어 | - |
dc.type | Thesis(Master) | - |
dc.identifier.CNRN | 325007 | - |
dc.description.department | 한국과학기술원 :생명화학공학과, | - |
dc.contributor.alternativeauthor | 권현탁 | - |
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