Activity-Stability Relationship in Au@Pt Nanoparticles for Electrocatalysis

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dc.contributor.authorChung, Dong Youngko
dc.contributor.authorPark, Subinko
dc.contributor.authorLee, Hyeonjuko
dc.contributor.authorKim, Hyungjunko
dc.contributor.authorChung, Young-Hoonko
dc.contributor.authorYoo, Ji Munko
dc.contributor.authorAhn, Docheonko
dc.contributor.authorYu, Seung-Hoko
dc.contributor.authorLee, Kug-Seungko
dc.contributor.authorAhmadi, Mandiko
dc.contributor.authorJu, Huanxinko
dc.contributor.authorAbruna, Hector D.ko
dc.contributor.authorYoo, Sung Jongko
dc.contributor.authorMun, Bongjin Simonko
dc.contributor.authorSung, Yung-Eunko
dc.date.accessioned2020-10-22T04:55:05Z-
dc.date.available2020-10-22T04:55:05Z-
dc.date.created2020-10-13-
dc.date.created2020-10-13-
dc.date.issued2020-09-
dc.identifier.citationACS ENERGY LETTERS, v.5, no.9, pp.2827 - 2834-
dc.identifier.issn2380-8195-
dc.identifier.urihttp://hdl.handle.net/10203/276867-
dc.description.abstractDespite breakthroughs in the activity of electrocatalysts for the oxygen reduction reaction (ORR), the development of nanoscale ORR electrocatalysts is still hindered by their instability. Here, to bridge the functional link between activity and stability, well-controlled Au@Pt (core@shell) nanoparticles are investigated. In situ monitoring of atomic dissolution and physicochemical analysis in conjunction with theoretical calculations reveal that the atomic-level stability of Au@Pt nanoparticle is attributed to the low surface coverage of OH and oxide on Pt, balancing between strain and ligand effect of Au at the interface. Considering the relationships in activity-stability-oxophilicity, the functional links between activity and stability in the ORR are discussed, and the regulation of oxophilicity is suggested as a guideline for designing highly active and durable electrocatalysts for fuel cell applications.-
dc.languageEnglish-
dc.publisherAMER CHEMICAL SOC-
dc.titleActivity-Stability Relationship in Au@Pt Nanoparticles for Electrocatalysis-
dc.typeArticle-
dc.identifier.wosid000571642600006-
dc.identifier.scopusid2-s2.0-85092271410-
dc.type.rimsART-
dc.citation.volume5-
dc.citation.issue9-
dc.citation.beginningpage2827-
dc.citation.endingpage2834-
dc.citation.publicationnameACS ENERGY LETTERS-
dc.identifier.doi10.1021/acsenergylett.0c01507-
dc.contributor.localauthorKim, Hyungjun-
dc.contributor.nonIdAuthorChung, Dong Young-
dc.contributor.nonIdAuthorPark, Subin-
dc.contributor.nonIdAuthorLee, Hyeonju-
dc.contributor.nonIdAuthorChung, Young-Hoon-
dc.contributor.nonIdAuthorYoo, Ji Mun-
dc.contributor.nonIdAuthorAhn, Docheon-
dc.contributor.nonIdAuthorYu, Seung-Ho-
dc.contributor.nonIdAuthorLee, Kug-Seung-
dc.contributor.nonIdAuthorAhmadi, Mandi-
dc.contributor.nonIdAuthorJu, Huanxin-
dc.contributor.nonIdAuthorAbruna, Hector D.-
dc.contributor.nonIdAuthorYoo, Sung Jong-
dc.contributor.nonIdAuthorMun, Bongjin Simon-
dc.contributor.nonIdAuthorSung, Yung-Eun-
dc.description.isOpenAccessN-
dc.type.journalArticleArticle-
dc.subject.keywordPlusOXYGEN REDUCTION REACTION-
dc.subject.keywordPlusCORE-SHELL-
dc.subject.keywordPlusEVOLUTION REACTION-
dc.subject.keywordPlusCATALYTIC-ACTIVITY-
dc.subject.keywordPlusSURFACE-STRUCTURE-
dc.subject.keywordPlusDISSOLUTION-
dc.subject.keywordPlusSTRAIN-
dc.subject.keywordPlusALLOY-
dc.subject.keywordPlusTRENDS-
dc.subject.keywordPlusIDENTIFICATION-
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