A simple maskless process for the fabrication of vertically aligned high density hematite and graphene/magnetite nanowires

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dc.contributor.authorShin, Seungminko
dc.contributor.authorKim, Sung-Wookko
dc.contributor.authorJang, Ji-Hyunko
dc.contributor.authorKim, Jin-Baekko
dc.date.accessioned2017-04-14T08:16:14Z-
dc.date.available2017-04-14T08:16:14Z-
dc.date.created2017-04-04-
dc.date.created2017-04-04-
dc.date.issued2017-
dc.identifier.citationJOURNAL OF MATERIALS CHEMISTRY C, v.5, no.6, pp.1313 - 1320-
dc.identifier.issn2050-7526-
dc.identifier.urihttp://hdl.handle.net/10203/223108-
dc.description.abstractVertically aligned iron oxide nanowire arrays were successfully synthesized via a cost-efficient maskless top-down approach. High density nanowires are formed by simple oxygen reactive ion etching of an iron-containing polymer film without any artificial mask. Highly crystalline hematite nanowires with a diameter of 38-45 nm and a high aspect ratio of 131 are uniformly produced over large areas after calcination. The high density graphene/magnetite nanostructure created by pyrolyzing iron oxide/organic nanowires with three-dimensional morphology provided highly enhanced Raman scattering with an enhancement factor of up to 7.0 x 10(4) due to trapping of the absorbed light in the three-dimensional graphene forest. Our maskless top-down approach to fabricate iron oxide nanowires offers unique advantages of a solution-based process to easily overcome the limit in the morphology and substrate-dependent properties of nanowire synthesis. This technique may have excellent practical potential as a simple, rapid, and reproducible process for the fabrication of high density and high aspect ratio iron oxide nanowires that are useful in various applications.-
dc.languageEnglish-
dc.publisherROYAL SOC CHEMISTRY-
dc.subjectENHANCED RAMAN-SPECTROSCOPY-
dc.subjectELECTROCHEMICAL ENERGY-STORAGE-
dc.subjectPHOTOELECTROCHEMICAL PROPERTIES-
dc.subjectOXIDE-
dc.subjectNANOSTRUCTURES-
dc.subjectSUBSTRATE-
dc.subjectGRAPHENE-
dc.subjectSERS-
dc.subjectPERFORMANCES-
dc.subjectSCATTERING-
dc.titleA simple maskless process for the fabrication of vertically aligned high density hematite and graphene/magnetite nanowires-
dc.typeArticle-
dc.identifier.wosid000395888900004-
dc.identifier.scopusid2-s2.0-85012131885-
dc.type.rimsART-
dc.citation.volume5-
dc.citation.issue6-
dc.citation.beginningpage1313-
dc.citation.endingpage1320-
dc.citation.publicationnameJOURNAL OF MATERIALS CHEMISTRY C-
dc.identifier.doi10.1039/c6tc05162f-
dc.contributor.localauthorKim, Jin-Baek-
dc.contributor.nonIdAuthorKim, Sung-Wook-
dc.contributor.nonIdAuthorJang, Ji-Hyun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusENHANCED RAMAN-SPECTROSCOPY-
dc.subject.keywordPlusELECTROCHEMICAL ENERGY-STORAGE-
dc.subject.keywordPlusPHOTOELECTROCHEMICAL PROPERTIES-
dc.subject.keywordPlusOXIDE-
dc.subject.keywordPlusNANOSTRUCTURES-
dc.subject.keywordPlusSUBSTRATE-
dc.subject.keywordPlusGRAPHENE-
dc.subject.keywordPlusSERS-
dc.subject.keywordPlusPERFORMANCES-
dc.subject.keywordPlusSCATTERING-
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