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dc.contributor.authorCho, Nam Gyu-
dc.contributor.authorHwang, In-Sung-
dc.contributor.authorKim, Ho-Gi-
dc.contributor.authorLee, Jong-Heun-
dc.contributor.authorKim, Il-Doo-
dc.date.accessioned2024-01-20T16:34:25Z-
dc.date.available2024-01-20T16:34:25Z-
dc.date.created2021-09-04-
dc.date.issued2011-07-05-
dc.identifier.issn0925-4005-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/130186-
dc.description.abstractThis work presents a simple and versatile route to produce macroporous p-type metal oxide thin films. Two-dimensional arrays of p-type NiO films with a hollow hemisphere structure were fabricated by colloidal templating and RF-sputtering followed by a subsequent heat treatment. The diameter and shell thickness of the NiO hemisphere were 800 nm and 20 nm, respectively. X-ray diffraction and high-resolution transmission electron microscopy analysis indicate that the pure NiO phase with grain size of 10 nm was obtained at calcination temperatures that exceeded 450 degrees C. Close-packed arrays of hollow NiO hemispheres were found to exhibit p-type gas sensing properties against (CO, H-2, C3H8, CH4, NO2, and C2H5OH), leading to significantly enhanced responses to C2H5OH (R-gas/R-air = 5.0 at 200 ppm). (C) 2010 Elsevier B.V. All rights reserved.-
dc.languageEnglish-
dc.publisherELSEVIER SCIENCE SA-
dc.subjectSENSITIVITY-
dc.titleGas sensing properties of p-type hollow NiO hemispheres prepared by polymeric colloidal templating method-
dc.typeArticle-
dc.identifier.doi10.1016/j.snb.2010.12.031-
dc.description.journalClass1-
dc.identifier.bibliographicCitationSENSORS AND ACTUATORS B-CHEMICAL, v.155, no.1, pp.366 - 371-
dc.citation.titleSENSORS AND ACTUATORS B-CHEMICAL-
dc.citation.volume155-
dc.citation.number1-
dc.citation.startPage366-
dc.citation.endPage371-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000291455200053-
dc.identifier.scopusid2-s2.0-79956337375-
dc.relation.journalWebOfScienceCategoryChemistry, Analytical-
dc.relation.journalWebOfScienceCategoryElectrochemistry-
dc.relation.journalWebOfScienceCategoryInstruments & Instrumentation-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaElectrochemistry-
dc.relation.journalResearchAreaInstruments & Instrumentation-
dc.type.docTypeArticle-
dc.subject.keywordPlusSENSITIVITY-
dc.subject.keywordAuthorNickel oxide-
dc.subject.keywordAuthorGas sensor-
dc.subject.keywordAuthorNanostructure-
dc.subject.keywordAuthorColloidal template-
dc.subject.keywordAuthorHollow hemisphere-
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