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dc.contributor.author이종목*
dc.contributor.author이영미*
dc.contributor.author김명화*
dc.date.accessioned2022-08-02T16:30:51Z-
dc.date.available2022-08-02T16:30:51Z-
dc.date.issued2022*
dc.identifier.issn2050-7488*
dc.identifier.otherOAK-31792*
dc.identifier.urihttps://dspace.ewha.ac.kr/handle/2015.oak/261677-
dc.description.abstractChromium-iridium oxide (CrxIr1−xO2) alloys with a wire-in-tube morphology were primally prepared as highly efficient electrocatalysts for the oxygen evolution reaction (OER) via a simple electrospinning method. The synthetic processes with an optimized annealing temperature and a rate of calcination process were finely controlled to shape a distinct double-shell nanotube architecture. A low iridium-content oxide alloy (CrxIr1−xO2 with Cr : Ir atomic ratio of 62 : 38) derived from electrospinning and the post-calcination process was the first to reveal the remarkable OER performances in alkaline solution. Moreover, it maintained the performance throughout the long-term chronopotentiometry test at a constant current density of 10 mA cm−2 without any deterioration. In particular, density functional theory (DFT) calculations prove that the Cr-rich catalyst improves the binding of OOH species on the (110) facet of the CrxIr1−xO2 surface and lowers the Gibbs free energy barrier of the OER process with superior electrocatalytic activity based on the mechanistic inspection of the electrochemical processes. © 2022 The Royal Society of Chemistry*
dc.languageEnglish*
dc.publisherRoyal Society of Chemistry*
dc.titleChromium-rich CrxIr1−xO2 wire-in-tube alloys for boosted water oxidation with long standing electrocatalytic activity*
dc.typeArticle*
dc.relation.issue26*
dc.relation.volume10*
dc.relation.indexSCIE*
dc.relation.indexSCOPUS*
dc.relation.startpage13803*
dc.relation.lastpage13813*
dc.relation.journaltitleJournal of Materials Chemistry A*
dc.identifier.doi10.1039/d2ta02984g*
dc.identifier.wosidWOS:000810091000001*
dc.identifier.scopusid2-s2.0-85132368793*
dc.author.googleJin D.*
dc.author.googleKang J.*
dc.author.googlePrabhakaran S.*
dc.author.googleLee Y.*
dc.author.googleKim M.H.*
dc.author.googleKim D.H.*
dc.author.googleLee C.*
dc.contributor.scopusid이종목(55812178500)-
dc.contributor.scopusid이영미(35237907700)-
dc.contributor.scopusid김명화(57191596821)-
dc.date.modifydate20220811145805*
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자연과학대학 > 화학·나노과학전공 > Journal papers
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