Design of 2D Nanocrystalline Fe2Ni2N Coated onto Graphene Nanohybrid Sheets for Efficient Electrocatalytic Oxygen Evolution
DC Field | Value | Language |
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dc.contributor.author | Kwag S.H.[Kwag S.H.] | - |
dc.contributor.author | Lee Y.S.[Lee Y.S.] | - |
dc.contributor.author | Lee J.[Lee J.] | - |
dc.contributor.author | Jeong D.I.[Jeong D.I.] | - |
dc.contributor.author | Kwon S.B.[Kwon S.B.] | - |
dc.contributor.author | Yoo J.H.[Yoo J.H.] | - |
dc.contributor.author | Woo S.[Woo S.] | - |
dc.contributor.author | Lim B.S.[Lim B.S.] | - |
dc.contributor.author | Park W.K.[Park W.K.] | - |
dc.contributor.author | Kim M.-J.[Kim M.-J.] | - |
dc.contributor.author | Kim J.H.[Kim J.H.] | - |
dc.contributor.author | Lim B.[Lim B.] | - |
dc.contributor.author | Kang B.K.[Kang B.K.] | - |
dc.contributor.author | Yang W.S.[Yang W.S.] | - |
dc.contributor.author | Yoon D.H.[Yoon D.H.] | - |
dc.date.accessioned | 2021-07-29T01:25:19Z | - |
dc.date.available | 2021-07-29T01:25:19Z | - |
dc.date.created | 2020-07-13 | - |
dc.date.issued | 2019-12 | - |
dc.identifier.issn | 2574-0962 | - |
dc.identifier.uri | https://scholarworks.bwise.kr/skku/handle/2021.sw.skku/13521 | - |
dc.description.abstract | We report successfully synthesizing two-dimensional (2D) and nanocrystalline (NC) Fe2Ni2N/rGO nanohybrid sheets (NHSs) via ammonolysis of as-prepared 2D Ni2.25Fe0.75[Fe(CN)6]2/rGO precursors. We compared the electrochemical properties of the 2D-NC Fe2Ni2N/rGO NHSs as non-precious-metal nitride and graphene nanohybrid electrocatalysts for an oxygen evolution reaction (OER) with those of NiFe-based composition. The overpotential and Tafel plot of the 2D-NC Fe2Ni2N/rGO NHSs had their lowest values of 290 and 49.1 mV dec-1, respectively, at a current density of 10 mA cm-2 (0.1 M, KOH). The 2D-NC Fe2Ni2N/rGO NHS catalyst was stable under OER conditions, and X-ray photoelectron spectroscopy and scanning transmission electron microscopy confirmed the stability of the catalysts after electrochemical testing (24 h). The synergistic interactions between the transition-metal nitride and graphene represent unique 2D nanostructured, metallic properties, and graphene sheets with nanocrystalline Fe2Ni2N on them are significantly more efficient and active electrocatalysts. The presented strategy of transition-metal nitride/graphene hybrid nanostructures provides potential for more efficient and outstanding OER electrocatalysts. © 2019 American Chemical Society. | - |
dc.language | 영어 | - |
dc.language.iso | en | - |
dc.publisher | American Chemical Society | - |
dc.subject | Electrocatalysis | - |
dc.subject | Electrocatalysts | - |
dc.subject | Electrolysis | - |
dc.subject | Graphene | - |
dc.subject | Graphene oxide | - |
dc.subject | High resolution transmission electron microscopy | - |
dc.subject | Nanocrystals | - |
dc.subject | Nanostructured materials | - |
dc.subject | Nickel compounds | - |
dc.subject | Nitrides | - |
dc.subject | Oxygen | - |
dc.subject | Potassium hydroxide | - |
dc.subject | Refractory metal compounds | - |
dc.subject | Scanning electron microscopy | - |
dc.subject | Transition metals | - |
dc.subject | X ray photoelectron spectroscopy | - |
dc.subject | Electrochemical testing | - |
dc.subject | Hybrid nanostructures | - |
dc.subject | Oxygen evolution reaction | - |
dc.subject | Prussian blue analogues | - |
dc.subject | Scanning transmission electron microscopy | - |
dc.subject | Synergistic interaction | - |
dc.subject | Transition metal nitrides | - |
dc.subject | Two Dimensional (2 D) | - |
dc.subject | Iron compounds | - |
dc.title | Design of 2D Nanocrystalline Fe2Ni2N Coated onto Graphene Nanohybrid Sheets for Efficient Electrocatalytic Oxygen Evolution | - |
dc.type | Article | - |
dc.contributor.affiliatedAuthor | Lee Y.S.[Lee Y.S.] | - |
dc.contributor.affiliatedAuthor | Lee J.[Lee J.] | - |
dc.contributor.affiliatedAuthor | Jeong D.I.[Jeong D.I.] | - |
dc.contributor.affiliatedAuthor | Kwon S.B.[Kwon S.B.] | - |
dc.contributor.affiliatedAuthor | Yoo J.H.[Yoo J.H.] | - |
dc.contributor.affiliatedAuthor | Woo S.[Woo S.] | - |
dc.contributor.affiliatedAuthor | Lim B.[Lim B.] | - |
dc.contributor.affiliatedAuthor | Yoon D.H.[Yoon D.H.] | - |
dc.identifier.doi | 10.1021/acsaem.9b01434 | - |
dc.identifier.scopusid | 2-s2.0-85074710554 | - |
dc.identifier.wosid | 000504953500020 | - |
dc.identifier.bibliographicCitation | ACS Applied Energy Materials, v.2, no.12, pp.8502 - 8510 | - |
dc.relation.isPartOf | ACS Applied Energy Materials | - |
dc.citation.title | ACS Applied Energy Materials | - |
dc.citation.volume | 2 | - |
dc.citation.number | 12 | - |
dc.citation.startPage | 8502 | - |
dc.citation.endPage | 8510 | - |
dc.type.rims | ART | - |
dc.type.docType | Article | - |
dc.description.journalClass | 1 | - |
dc.description.journalRegisteredClass | scie | - |
dc.description.journalRegisteredClass | scopus | - |
dc.relation.journalResearchArea | Chemistry | - |
dc.relation.journalResearchArea | Energy & Fuels | - |
dc.relation.journalResearchArea | Materials Science | - |
dc.relation.journalWebOfScienceCategory | Chemistry, Physical | - |
dc.relation.journalWebOfScienceCategory | Energy & Fuels | - |
dc.relation.journalWebOfScienceCategory | Materials Science, Multidisciplinary | - |
dc.subject.keywordPlus | Electrocatalysis | - |
dc.subject.keywordPlus | Electrocatalysts | - |
dc.subject.keywordPlus | Electrolysis | - |
dc.subject.keywordPlus | Graphene | - |
dc.subject.keywordPlus | Graphene oxide | - |
dc.subject.keywordPlus | High resolution transmission electron microscopy | - |
dc.subject.keywordPlus | Nanocrystals | - |
dc.subject.keywordPlus | Nanostructured materials | - |
dc.subject.keywordPlus | Nickel compounds | - |
dc.subject.keywordPlus | Nitrides | - |
dc.subject.keywordPlus | Oxygen | - |
dc.subject.keywordPlus | Potassium hydroxide | - |
dc.subject.keywordPlus | Refractory metal compounds | - |
dc.subject.keywordPlus | Scanning electron microscopy | - |
dc.subject.keywordPlus | Transition metals | - |
dc.subject.keywordPlus | X ray photoelectron spectroscopy | - |
dc.subject.keywordPlus | Electrochemical testing | - |
dc.subject.keywordPlus | Hybrid nanostructures | - |
dc.subject.keywordPlus | Oxygen evolution reaction | - |
dc.subject.keywordPlus | Prussian blue analogues | - |
dc.subject.keywordPlus | Scanning transmission electron microscopy | - |
dc.subject.keywordPlus | Synergistic interaction | - |
dc.subject.keywordPlus | Transition metal nitrides | - |
dc.subject.keywordPlus | Two Dimensional (2 D) | - |
dc.subject.keywordPlus | Iron compounds | - |
dc.subject.keywordAuthor | electrocatalysis | - |
dc.subject.keywordAuthor | graphene oxide | - |
dc.subject.keywordAuthor | oxygen evaluation reaction | - |
dc.subject.keywordAuthor | Prussian blue analogue | - |
dc.subject.keywordAuthor | transition metal nitride | - |
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