Two-dimensional SnSe nanonetworks: Growth and evaluation for Li-ion battery applications

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dc.contributor.authorDavitt, Fionán
dc.contributor.authorStokes, Killian
dc.contributor.authorCollins, Timothy W.
dc.contributor.authorRoldan-Gutierrez, Manuel
dc.contributor.authorRobinson, Fred
dc.contributor.authorGeaney, Hugh
dc.contributor.authorBiswas, Subhajit
dc.contributor.authorChang, Shery L. Y.
dc.contributor.authorRyan, Kevin M.
dc.contributor.authorReid, Gillian
dc.contributor.authorHolmes, Justin D.
dc.date.accessioned2020-11-05T12:49:35Z
dc.date.available2020-11-05T12:49:35Z
dc.date.issued2020-06-11
dc.date.updated2020-11-03T13:45:56Z
dc.description.abstractEngineered two-dimensional (2D) layered materials possess unique physical properties with the potential to improve the performance and endurance of future electronic and energy devices. Here, we report the growth of complex 2D nanonetworks of crystalline tin selenide (SnSe) via liquid injection chemical vapor deposition using a single-source diselenoether precursor. Potential applications of SnSe span a wide range of technological areas, particularly in energy devices. The synthesized SnSe networks were composed of high surface area interconnected junctions of one-dimensional (1D) nanowires in a 2D plane; such complex SnSe nanonetwork structures have not previously been reported. The SnSe networks possessed an orthorhombic Pnma 62 crystal structure throughout, with the individual network branches uniformly orientated along the <011> and <01–1> directions. The width of the individual interconnected nanowire branches ranged from 120 to 250 nm with lengths ranging from 1 to 4 μm. The networks of 1D nanowires had a layer thickness of 88 ± 10 nm. A growth mechanism for the formation of these networks is proposed based on the minimization of high surface energy planes. We also highlight the potential of SnSe nanonetworks as an anode material for Li-ion batteries with galvanostatic testing showing an initial discharge capacity in excess of 1000 mAh g–1 with a 92% capacity retention after 50 cycles at a specific current of 100 mA g–1.en
dc.description.statusPeer revieweden
dc.description.versionAccepted Versionen
dc.format.mimetypeapplication/pdfen
dc.identifier.citationDavitt, F., Stokes, K., Collins, T. W., Roldan-Gutierrez, M., Robinson, F., Geaney, H., Biswas, S., Chang, S. L. Y., Ryan, K. M., Reid, G. and Holmes, J. D. (2020) 'Two-Dimensional SnSe Nanonetworks: Growth and Evaluation for Li-Ion Battery Applications', ACS Applied Energy Materials, 3(7), pp. 6602-6610. doi: 10.1021/acsaem.0c00776en
dc.identifier.doi10.1021/acsaem.0c00776en
dc.identifier.endpage6610en
dc.identifier.issn2574-0962
dc.identifier.issued7en
dc.identifier.journaltitleACS Applied Energy Materialsen
dc.identifier.startpage6602en
dc.identifier.urihttps://hdl.handle.net/10468/10735
dc.identifier.volume3en
dc.language.isoenen
dc.publisherAmerican Chemical Societyen
dc.relation.urihttps://pubs.acs.org/doi/10.1021/acsaem.0c00776
dc.rights© 2020 American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in ACS Applied Energy Materials, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/10.1021/acsaem.0c00776en
dc.subjectNanowire networksen
dc.subject2D materialsen
dc.subjectLayered materialsen
dc.subjectChemical vapor depositionen
dc.subjectSnSeen
dc.subjectLi-ion batteryen
dc.titleTwo-dimensional SnSe nanonetworks: Growth and evaluation for Li-ion battery applicationsen
dc.typeArticle (peer-reviewed)en
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