Edges of Layered FePSe3 Exhibit Increased Electrochemical and Electrocatalytic Activity Compared to Basal Planes

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dc.contributor.authorWert, Stefancs
dc.contributor.authorIffelsberger, Christiancs
dc.contributor.authorKandambath Padinjareveetil, Akshay Kumarcs
dc.contributor.authorPumera, Martincs
dc.coverage.issue2cs
dc.coverage.volume5cs
dc.date.issued2023-02-28cs
dc.description.abstractTransition metal trichalcogenphosphites (MPX3), belonging to the class of 2D materials, are potentially viable electrocatalysts for the hydrogen evolution reaction (HER). Many 2D and layered materials exhibit different magnitudes of electrochemical and electrocatalytic activity at their edge and basal sites. To find out whether edges or basal planes are the primary sites for catalytic processes at these compounds, we studied the local electrochemical and electrocatalytic activity of FePSe3, an MPX3 representative that was previously found to be catalytically active. Using scanning electrochemical microscopy, we discovered that electrochemical processes and the HER are occurring at an increased rate at edge-like defects of FePSe3 crystals. We correlate our observations using optical microscopy, confocal laser scanning microscopy, scanning electron microscopy, and electron-dispersive X-ray spectroscopy. These findings have profound implications for the application of these materials for electrochemistry as well as for understanding general rules governing the electrochemical performance of layered compounds.en
dc.formattextcs
dc.format.extent928-934cs
dc.format.mimetypeapplication/pdfcs
dc.identifier.citationACS Applied Electronic Materials. 2023, vol. 5, issue 2, p. 928-934.en
dc.identifier.doi10.1021/acsaelm.2c01493cs
dc.identifier.issn2637-6113cs
dc.identifier.orcid0000-0003-4217-0043cs
dc.identifier.orcid0000-0001-5846-2951cs
dc.identifier.other183773cs
dc.identifier.researcheridE-8664-2019cs
dc.identifier.researcheridF-2724-2010cs
dc.identifier.urihttp://hdl.handle.net/11012/244304
dc.language.isoencs
dc.publisherAmerican Chemical Societycs
dc.relation.ispartofACS Applied Electronic Materialscs
dc.relation.urihttps://pubs.acs.org/doi/10.1021/acsaelm.2c01493cs
dc.rightsCreative Commons Attribution 4.0 Internationalcs
dc.rights.accessopenAccesscs
dc.rights.sherpahttp://www.sherpa.ac.uk/romeo/issn/2637-6113/cs
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/cs
dc.subjectscanning electrochemical microscopyen
dc.subject2D materialsen
dc.subjecttransition metal trichalcogenphosphitesen
dc.subjectiron phosphotriselenideen
dc.subjecthydrogen evolution reactionen
dc.subjectelectrocatalysisen
dc.subjectelectrochemistryen
dc.titleEdges of Layered FePSe3 Exhibit Increased Electrochemical and Electrocatalytic Activity Compared to Basal Planesen
dc.type.driverarticleen
dc.type.statusPeer-revieweden
dc.type.versionpublishedVersionen
sync.item.dbidVAV-183773en
sync.item.dbtypeVAVen
sync.item.insts2025.02.03 15:50:34en
sync.item.modts2025.01.17 18:38:58en
thesis.grantorVysoké učení technické v Brně. Středoevropský technologický institut VUT. Energie budoucnosti a inovacecs
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