One-step synthesis of spontaneously graphitized nanocarbon using cobalt-nanoparticles

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dc.contributor.authorElnobi, Sahar
dc.contributor.authorSharma, Subash
dc.contributor.authorOhsugi, Tetsuya
dc.contributor.authorPaudel, Balaram
dc.contributor.authorKalita, Golap
dc.contributor.authorYusop, Mohd Zamri Mohd
dc.contributor.authorAyhan, Muhammed Emre
dc.date.accessioned2024-02-23T14:00:13Z
dc.date.available2024-02-23T14:00:13Z
dc.date.issued2020
dc.departmentNEÜen_US
dc.description.abstractAmorphous carbon (a-C) films containing metallic Cobalt nanoparticles (Co NPs) were deposited onto microgrids and SiO2/Si substrates by a magnetron sputter-deposition technique at room temperature (RT) using aC target with an attachment of a small Co platelet. Transmission electron microscopy (TEM) with a fast Fourier-transform (FFT) revealed the short-range ordering of the lattice corresponding to graphite (002) between Co NPs in the amorphous C matrix. The 2D peak and graphite (002) peak were clearly observed in Raman spectra and x-ray diffraction (XRD), respectively, for the Co-C films. X-ray photoelectron spectroscopy analyses were used to determine the metallic state of Co NPs and sp(2) graphitization in the film. Thus, the Co NPs exhibited higher catalytic activity in spontaneous graphitization at low-temperature than Ni-NPs prepared under the same conditions. So, the metallic NPs were concluded to be promising as the catalyst for the ultra-low temperature graphitization in the solid-phase reaction.en_US
dc.description.sponsorshipJSPS [20H02618]; Grants-in-Aid for Scientific Research [20H02618] Funding Source: KAKENen_US
dc.description.sponsorshipThis work was partially supported by JSPS Grant-in-Aid for Scientific Research (B) Grant No. 20H02618.en_US
dc.identifier.doi10.1007/s42452-020-03934-1
dc.identifier.issn2523-3963
dc.identifier.issn2523-3971
dc.identifier.issue12en_US
dc.identifier.scopus2-s2.0-85100675476en_US
dc.identifier.urihttps://doi.org/10.1007/s42452-020-03934-1
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11513
dc.identifier.volume2en_US
dc.identifier.wosWOS:000596702200004en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringer International Publishing Agen_US
dc.relation.ispartofSn Applied Sciencesen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectRoom Temperature Synthesisen_US
dc.subjectSpontaneous Graphitizationen_US
dc.subjectCo-Nanoparticleen_US
dc.subjectMagnetron Sputteringen_US
dc.titleOne-step synthesis of spontaneously graphitized nanocarbon using cobalt-nanoparticlesen_US
dc.typeArticleen_US

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