Modulating Pt-O-Pt atomic clusters with isolated cobalt atoms for enhanced hydrogen evolution catalysis

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dc.contributor.authorZhao, Yufei
dc.contributor.authorKumar, Priyank
dc.contributor.authorTan, Xin
dc.contributor.authorLu, Xinxin
dc.contributor.authorZhu, Xiaofeng
dc.contributor.authorJiang, Junjie
dc.contributor.authorPan, Jian
dc.contributor.authorXi, Shibo
dc.contributor.authorYang, Hui Ying
dc.contributor.authorMa, Zhipeng
dc.contributor.authorWan, Tao
dc.contributor.authorSmith, Sean
dc.date.accessioned2023-10-30T01:27:11Z
dc.date.available2023-10-30T01:27:11Z
dc.date.issued2022
dc.date.updated2022-08-21T08:16:37Z
dc.description.abstractPlatinum is the most efficient catalyst for hydrogen evolution reaction in acidic conditions, but its widespread use has been impeded by scarcity and high cost. Herein, Pt atomic clusters (Pt ACs) containing Pt-O-Pt units were prepared using Co/N co-doped carbon (CoNC) as support. Pt ACs are anchored to single Co atoms on CoNC by forming strong interactions. Pt-ACs/CoNC exhibits only 24 mV overpotential at 10 mA cm−2 and a high mass activity of 28.6 A mg−1 at 50 mV, which is more than 6 times higher than commercial Pt/C with any Pt loadings. Spectroscopic measurements and computational modeling reveal the enhanced hydrogen generation activity attributes to the charge redistribution between Pt and O atoms in Pt-O-Pt units, making Pt atoms the main active sites and O linkers the assistants, thus optimizing the proton adsorption and hydrogen desorption. This work opens an avenue to fabricate noble-metal-based ACs stabilized by single-atom catalysts with desired properties for electrocatalysis.en_AU
dc.description.sponsorshipThis work was supported by the Australian Renewable Energy Agency (ARENA 2018/RND014). P.V.K. thank the UNSW Scientia Scheme for financial supports.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn2041-1723en_AU
dc.identifier.urihttp://hdl.handle.net/1885/303891
dc.language.isoen_AUen_AU
dc.provenanceThis article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.en_AU
dc.publisherMacmillan Publishers Ltden_AU
dc.relationhttp://purl.org/au-research/grants/arc/IC200100023en_AU
dc.relationhttp://purl.org/au-research/grants/arc/DE210101259en_AU
dc.relationhttp://purl.org/au-research/grants/arc/LE190100021en_AU
dc.rights© 2022 The authorsen_AU
dc.rights.licenseCreative Commons Attribution licenceen_AU
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/en_AU
dc.sourceNature Communicationsen_AU
dc.titleModulating Pt-O-Pt atomic clusters with isolated cobalt atoms for enhanced hydrogen evolution catalysisen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue1en_AU
local.contributor.affiliationZhao, Yufei, University of New South Walesen_AU
local.contributor.affiliationKumar, Priyank, University of New South Walesen_AU
local.contributor.affiliationTan, Xin, College of Science, ANUen_AU
local.contributor.affiliationLu, Xinxin, Chinese University of Hong Kongen_AU
local.contributor.affiliationZhu, Xiaofeng, University of New South Walesen_AU
local.contributor.affiliationJiang, Junjie, University of New South Walesen_AU
local.contributor.affiliationPan, Jian, The University of New South Walesen_AU
local.contributor.affiliationXi, Shibo, Institute of Chemical and Engineering Sciencesen_AU
local.contributor.affiliationYang, Hui Ying, Singapore University of Technology and Designen_AU
local.contributor.affiliationMa, Zhipeng, The University of New South Walesen_AU
local.contributor.affiliationWan, Tao, School of Materials Science and Engineeringen_AU
local.contributor.affiliationSmith, Sean, RSCH Research & Innovation Portfolio, ANUen_AU
local.contributor.authoruidTan, Xin, u1052556en_AU
local.contributor.authoruidSmith, Sean, u1056946en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor340604 - Electrochemistryen_AU
local.identifier.ariespublicationa383154xPUB33918en_AU
local.identifier.citationvolume13en_AU
local.identifier.doi10.1038/s41467-022-30155-4en_AU
local.identifier.scopusID2-s2.0-85129391352
local.publisher.urlhttps://www.nature.com/en_AU
local.type.statusPublished Versionen_AU

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