DSpace at KISTKIST Article2013

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dc.contributor.authorPatrick, Brian-
dc.contributor.authorHam, Hyung Chul-
dc.contributor.authorShao-Horn, Yang-
dc.contributor.authorAllard, Lawrence F.-
dc.contributor.authorHwang, Gyeong S.-
dc.contributor.authorFerreira, Paulo J.-
dc.date.accessioned2024-01-20T13:01:29Z-
dc.date.available2024-01-20T13:01:29Z-
dc.date.created2021-08-31-
dc.date.issued2013-02-26-
dc.identifier.issn0897-4756-
dc.identifier.urihttps://pubs.kist.re.kr/handle/201004/128345-
dc.description.abstractPt3Co nanoparticles are used to promote the oxygen reduction kinetics and increase the efficiency of proton exchange membrane (PEM) fuel cells. For the first time, aberration-corrected scanning transmission electron microscopy (STEM), STEM image simulations, and DFT calculations are combined to provide insight into the origin of enhanced catalysis of Pt3Co nanoparticles. Acid-leached nanoparticles exhibit a solid-solution structure but heterogeneous composition, while heat-treated nanoparticles exhibit an ordered structure, except for the first three surface layers where Pt enrichment is observed.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.subjectOXYGEN REDUCTION REACTION-
dc.subjectPT-CO-
dc.subjectSURFACE-COMPOSITION-
dc.subjectALLOYS-
dc.subjectELECTROCATALYSIS-
dc.subjectNANOPARTICLES-
dc.subjectENHANCEMENT-
dc.subjectSTABILITY-
dc.subjectKINETICS-
dc.subjectORIGIN-
dc.titleAtomic Structure and Composition of "Pt3Co" Nanocatalysts in Fuel Cells: An Aberration-Corrected STEM HAADF Study-
dc.typeArticle-
dc.identifier.doi10.1021/cm3029164-
dc.description.journalClass1-
dc.identifier.bibliographicCitationCHEMISTRY OF MATERIALS, v.25, no.4, pp.530 - 535-
dc.citation.titleCHEMISTRY OF MATERIALS-
dc.citation.volume25-
dc.citation.number4-
dc.citation.startPage530-
dc.citation.endPage535-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.identifier.wosid000315618500003-
dc.identifier.scopusid2-s2.0-84874429804-
dc.relation.journalWebOfScienceCategoryChemistry, Physical-
dc.relation.journalWebOfScienceCategoryMaterials Science, Multidisciplinary-
dc.relation.journalResearchAreaChemistry-
dc.relation.journalResearchAreaMaterials Science-
dc.type.docTypeArticle-
dc.subject.keywordPlusOXYGEN REDUCTION REACTION-
dc.subject.keywordPlusPT-CO-
dc.subject.keywordPlusSURFACE-COMPOSITION-
dc.subject.keywordPlusALLOYS-
dc.subject.keywordPlusELECTROCATALYSIS-
dc.subject.keywordPlusNANOPARTICLES-
dc.subject.keywordPlusENHANCEMENT-
dc.subject.keywordPlusSTABILITY-
dc.subject.keywordPlusKINETICS-
dc.subject.keywordPlusORIGIN-
dc.subject.keywordAuthorPEM fuel cells-
dc.subject.keywordAuthorplatinum-alloyed catalysts-
dc.subject.keywordAuthoraberration-corrected STEM-
dc.subject.keywordAuthornanoparticles-
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