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dc.contributor.authorMun, D. -H.-
dc.contributor.authorBak, S. J.-
dc.contributor.authorHa, J. -S.-
dc.contributor.authorLee, H. -J.-
dc.contributor.authorLee, J. K.-
dc.contributor.authorLee, S. H.-
dc.contributor.authorMoon, Y. B.-
dc.date.accessioned2024-01-20T09:04:53Z-
dc.date.available2024-01-20T09:04:53Z-
dc.date.created2021-09-05-
dc.date.issued2014-08-
dc.identifier.issn1533-4880-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/126539-
dc.description.abstractIn this study, we grew ZnO nanowires hydrothermally on (1-102) r-plane sapphire substrates in an aqueous solution which contained zinc nitrate hexahydrate and hexamethylenetetramine (HMT) at 90 degrees C. First, the AZO seed layer of 80 nm thickness was deposited on the r-plane sapphire substrate by a radio frequency magnetron sputter. After that, we grew the ZnO nanowires on the seed layer by changing the precursor concentration of the aqueous solution from 0.025 M to 0.01 M. When the molar concentration of the precursor was changed, the diameter, length, density and number of ZnO nanowires also changed significantly: diameter, length and density increased with increasing molar concentration but the number of ZnO nanowires decreased. The ZnO nanowires grown at the higher molar concentration tended to grow along with the c-axis direction, as revealed by atomic force microscope and X-ray diffraction peaks. Furthermore, the PL spectra measured at room-temperature revealed a UV emission of 380 nm which can be attributed to the radiative recombination of free and bound excitons (Near Band edge Emission). The NBE emission was also increased with increasing molar concentration.-
dc.languageEnglish-
dc.publisherAMER SCIENTIFIC PUBLISHERS-
dc.subjectNANOROD ARRAYS-
dc.subjectTHIN-FILMS-
dc.subjectMORPHOLOGY-
dc.subjectNANOSTRUCTURES-
dc.titleEffects of Precursor Concentration on the Properties of ZnO Nanowires Grown on (1-102) R-Plane Sapphire Substrates by Hydrothermal Synthesis-
dc.typeArticle-
dc.identifier.doi10.1166/jnn.2014.8308-
dc.description.journalClass1-
dc.identifier.bibliographicCitationJOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.14, no.8, pp.5970 - 5975-
dc.citation.titleJOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY-
dc.citation.volume14-
dc.citation.number8-
dc.citation.startPage5970-
dc.citation.endPage5975-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000333579100063-
dc.identifier.scopusid2-s2.0-84906569565-
dc.relation.journalWebOfScienceCategoryChemistry, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryNanoscience & Nanotechnology-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalWebOfScienceCategoryPhysics, Applied-
dc.relation.journalWebOfScienceCategoryPhysics, Condensed Matter-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaScience & Technology - Other Topics-
dc.relation.journalResearchAreaMaterials Science-
dc.relation.journalResearchAreaPhysics-
dc.type.docTypeArticle-
dc.subject.keywordPlusNANOROD ARRAYS-
dc.subject.keywordPlusTHIN-FILMS-
dc.subject.keywordPlusMORPHOLOGY-
dc.subject.keywordPlusNANOSTRUCTURES-
dc.subject.keywordAuthorZinc Oxide-
dc.subject.keywordAuthorNanowire-
dc.subject.keywordAuthorHydrothermal Synthesis-
dc.subject.keywordAuthorPrecursor-
dc.subject.keywordAuthorMolar Concentration-
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KIST Article > 2014
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