High-strength graphene and polyacrylonitrile composite fiber enhanced by surface coating with polydopamine
DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kim, Hyunsoo | - |
dc.contributor.author | Jalili, Rouhollah | - |
dc.contributor.author | Spinks, Geoffrey M. | - |
dc.contributor.author | Wallace, Gordon G. | - |
dc.contributor.author | KIM, SEON JEONG | - |
dc.date.accessioned | 2021-08-02T14:51:22Z | - |
dc.date.available | 2021-08-02T14:51:22Z | - |
dc.date.created | 2021-05-12 | - |
dc.date.issued | 2017-09 | - |
dc.identifier.issn | 0266-3538 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/19431 | - |
dc.description.abstract | Carbon fibers are well-known reinforcing elements in advanced composites, but these materials remain expensive partly due to the complex processing methods used to form high strength and, high modulus fibers. Graphene is seen as an alternative precursor for the formation of high strength carbon-based fibers. Here it is shown that the strength and modulus of graphene-based fibers are enhanced by incorporating a polyacrylonitrile (PAN) binder, surface coating with polydopamine (PDA) and through appropriate pyrolysis heat treatments. Fiber samples were prepared by a wet-spinning method such that the composition of liquid-crystalline graphene oxide (LCGO) and PAN could be varied over the full range. The maximum fiber mechanical strength (220 MPa) and modulus (19 GPa) occurred at a composition of LCGO (80 wt%) and PAN (20 wt%). The mechanical strength was further significantly increased to 526 MPa through pyrolysis of the LCGO/PAN fiber at 800 degrees C in a nitrogen atmosphere which caused carbonization of PAN. In addition, surface treatment of the LCGO/PAN fiber with PDA before carbonization improved the mechanical strength by an additional 40%. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | ELSEVIER SCI LTD | - |
dc.title | High-strength graphene and polyacrylonitrile composite fiber enhanced by surface coating with polydopamine | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | KIM, SEON JEONG | - |
dc.identifier.doi | 10.1016/j.compscitech.2017.05.029 | - |
dc.identifier.scopusid | 2-s2.0-85021806699 | - |
dc.identifier.wosid | 000408286600032 | - |
dc.identifier.bibliographicCitation | COMPOSITES SCIENCE AND TECHNOLOGY, v.149, pp.280 - 285 | - |
dc.relation.isPartOf | COMPOSITES SCIENCE AND TECHNOLOGY | - |
dc.citation.title | COMPOSITES SCIENCE AND TECHNOLOGY | - |
dc.citation.volume | 149 | - |
dc.citation.startPage | 280 | - |
dc.citation.endPage | 285 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.isOpenAccess | Y | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Composites | - |
dc.subject.keywordPlus | LIQUID-CRYSTALLINE DISPERSIONS | - |
dc.subject.keywordPlus | CARBON NANOTUBES | - |
dc.subject.keywordPlus | OXIDE | - |
dc.subject.keywordPlus | PERFORMANCE | - |
dc.subject.keywordPlus | ULTRASTRONG | - |
dc.subject.keywordPlus | YARNS | - |
dc.subject.keywordPlus | NANOFIBERS | - |
dc.subject.keywordPlus | LIGHT | - |
dc.subject.keywordAuthor | Graphene oxide | - |
dc.subject.keywordAuthor | Polyacrylonitrile | - |
dc.subject.keywordAuthor | Surface coating | - |
dc.subject.keywordAuthor | Pyrolysis | - |
dc.subject.keywordAuthor | High strength | - |
Items in ScholarWorks are protected by copyright, with all rights reserved, unless otherwise indicated.
222, Wangsimni-ro, Seongdong-gu, Seoul, 04763, Korea+82-2-2220-1365
COPYRIGHT © 2021 HANYANG UNIVERSITY.
Certain data included herein are derived from the © Web of Science of Clarivate Analytics. All rights reserved.
You may not copy or re-distribute this material in whole or in part without the prior written consent of Clarivate Analytics.