dc.contributor.author | Dias, A. | |
dc.contributor.author | Bundaleska, N. | |
dc.contributor.author | Felizardo, E. | |
dc.contributor.author | Tsyganov, D. | |
dc.contributor.author | Almeida, A. | |
dc.contributor.author | Ferraria, A.M. | |
dc.contributor.author | Botelho do Rego, do | |
dc.contributor.author | Abrashev, M. | |
dc.contributor.author | Strunskus, Th. | |
dc.contributor.author | Santhosh, N.M. | |
dc.contributor.author | Cvelbar, U. | |
dc.contributor.author | Zavašnik, J. | |
dc.contributor.author | Montemor, M.F. | |
dc.contributor.author | Almeida, M.M. | |
dc.contributor.author | Carvalho, Patrícia A. | |
dc.contributor.author | Kissovski, J. | |
dc.contributor.author | Alves, L.L. | |
dc.contributor.author | Tatarova, E. | |
dc.date.accessioned | 2022-03-02T07:57:58Z | |
dc.date.available | 2022-03-02T07:57:58Z | |
dc.date.created | 2021-12-03T11:17:23Z | |
dc.date.issued | 2021 | |
dc.identifier.citation | Chemical Engineering Journal. 2021, 430 (4), . | en_US |
dc.identifier.issn | 1385-8947 | |
dc.identifier.uri | https://hdl.handle.net/11250/2982270 | |
dc.description.abstract | Hybrid graphene-based nanostructures are considered promising materials for energy storage applications. However, the synthesis of high-quality hybrid graphene nanostructures at high yields is challenging. In the present work we propose a novel, single-step microwave plasma-enabled approach to synthetize customizable hybrid graphene-based nanostructures at high-yield while preserving their quality. Hybrid N-graphene (nitrogen-doped graphene) metal-based nanostructures, for instance, can be produced at a rate of ∼ 19 mg/min. The high energy density region of a microwave plasma provides sufficient energy and “building particles” fluxes towards the low-energy density plasma afterglow for the processes of assembly and growth of N-graphene sheets. Simultaneously, a controlled jet of metal-oxide(-sulfide) microparticles is sprayed into the plasma afterglow region where they bind to N-graphene sheets. Methane/methylamine are used as carbon and nitrogen precursors, combined with micron-sized MnO2 and oxy-MnS particles to synthesize the hybrid structures. As a result, nano-sized (∼10–30 nm) MnOx particles decorated N-graphene (4.6 at. N%) and oxidized metal sulfide anchored N-graphene sheets (3.1 at. N%) are produced at atmospheric conditions. High structural quality and distribution of metal-based nanostructures on N-graphene sheets are revealed using transmission and scanning electron microscopes and other advanced spectroscopic techniques. Finally, an electrode for supercapacitor based on the N-graphene-metal-oxide(sulfide) hybrid nanostructures is developed with promising specific capacitances (∼273 F.g−1 at 0.5 A.g−1). The described chemically engineered process is one of the fastest approaches reported for designing the high-quality hybrid nanostructures produced at a high-yield, and as such, is expected to provide a high impact on the design of electrode materials for sustainable energy storage systems. | en_US |
dc.language.iso | eng | en_US |
dc.publisher | Elsevier | en_US |
dc.rights | Attribution-NonCommercial-NoDerivatives 4.0 Internasjonal | * |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/4.0/deed.no | * |
dc.subject | Hybrid nanostructures | en_US |
dc.subject | Plasma-based synthesis | en_US |
dc.subject | N-graphene | en_US |
dc.subject | Microwave plasmas | en_US |
dc.title | N-Graphene-Metal-Oxide(Sulfide) hybrid Nanostructures: Single-step plasma-enabled approach for energy storage applications | en_US |
dc.type | Peer reviewed | en_US |
dc.type | Journal article | en_US |
dc.description.version | publishedVersion | en_US |
dc.rights.holder | © 2021 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY-NC-ND license | en_US |
dc.source.pagenumber | 13 | en_US |
dc.source.volume | 430 | en_US |
dc.source.journal | Chemical Engineering Journal | en_US |
dc.source.issue | 4 | en_US |
dc.identifier.doi | 10.1016/j.cej.2021.133153 | |
dc.identifier.cristin | 1964121 | |
dc.relation.project | Norges forskningsråd: 197405 | en_US |
dc.source.articlenumber | 133153 | en_US |
cristin.ispublished | true | |
cristin.fulltext | original | |
cristin.qualitycode | 2 | |