Molecular layer deposition of "magnesicone", a magnesium-based hybrid material

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dc.contributor.author Kint, Jeroen
dc.contributor.author Mattelaer, Felix
dc.contributor.author Vandenbroucke, Sofie S. T.
dc.contributor.author Muriqi, Arbresha
dc.contributor.author Minjauw, Matthias M.
dc.contributor.author Nisula, Mikko
dc.contributor.author Vereecken, Philippe M.
dc.contributor.author Nolan, Michael
dc.contributor.author Dendooven, Jolien
dc.contributor.author Detavernier, Christophe
dc.date.accessioned 2020-08-17T11:45:08Z
dc.date.available 2020-08-17T11:45:08Z
dc.date.issued 2020-05-06
dc.identifier.citation Kint, J., Mattelaer, F., Vandenbroucke, S. S. T., Muriqi, A., Minjauw, M. M., Nisula, M., Vereecken, P. M., Nolan, M., Dendooven, J. and Detavernier, C. (2020) 'Molecular layer deposition of magnesicone, a magnesium-based hybrid material', Chemistry of Materials, 32(11), pp. 4451-4466. doi: 10.1021/acs.chemmater.9b05116 en
dc.identifier.volume 32 en
dc.identifier.issued 11 en
dc.identifier.startpage 4451 en
dc.identifier.endpage 4466 en
dc.identifier.issn 0897-4756
dc.identifier.uri http://hdl.handle.net/10468/10403
dc.identifier.doi 10.1021/acs.chemmater.9b05116 en
dc.description.abstract Molecular layer deposition (MLD) offers the deposition of ultrathin and conformal organic or hybrid films which have a wide range of applications. However, some critical potential applications require a very specific set of properties. For application as desiccant layers in water barrier films, for example, the films need to exhibit water uptake and swelling and be overcoatable. For application as a backbone for a solid composite electrolyte for lithium ions on the other hand, the films need to be stable against lithium and need to be transformable from a hybrid MLD film to a porous metal oxide film. Magnesium-based MLD films, called "magnesicone", are promising on both these aspects, and thus, an MLD process is developed using Mg(MeCp)(2) as a metal source and ethylene glycol (EG) or glycerol (GL) as organic reactants. Saturated growth could be achieved at 2 to 3 angstrom/cycle in a wide temperature window from 100 to 250 degrees C. The resulting magnesicone films react with ambient air and exhibit water uptake, which is in the case of the GL-based films associated with swelling (up to 10%) and in the case of EG-based magnesicone with Mg(CO)(3) formation, and are overcoatable with an ALD of Al2O3. Furthermore, by carefully tuning the annealing rate, the EG-grown films can be made porous at 350 degrees C. Hence, these functional tests demonstrate the potential of magnesicone films as reactive barrier layers and as the porous backbone of lithium ion composite solid electrolytes, making it a promising material for future applications. en
dc.description.sponsorship Fonds Wetenschappelijk Onderzoek (Doctoral Grant; Postdoctoral Fellowships); Bijzonder Onderzoeksfonds UGent (GOA project 01G01019) en
dc.format.mimetype application/pdf en
dc.language.iso en en
dc.publisher American Chemical Society en
dc.rights © 2020, American Chemical Society. This document is the Accepted Manuscript version of a Published Work that appeared in final form in Chemistry of Materials after technical editing by the publisher. To access the final edited and published work see https://pubs.acs.org/doi/abs/10.1021/acs.chemmater.9b05116 en
dc.subject Electrochemical energy storage en
dc.subject Thin films en
dc.subject High performance en
dc.subject Barrier films en
dc.subject Growth en
dc.subject Oxide en
dc.subject Li en
dc.subject Trimethylaluminum en
dc.subject Titanicone en
dc.subject Protection en
dc.title Molecular layer deposition of "magnesicone", a magnesium-based hybrid material en
dc.type Article (peer-reviewed) en
dc.internal.authorcontactother Michael Nolan, Tyndall Theory Modelling & Design Centre, University College Cork, Cork, Ireland. +353-21-490-3000 Email: michael.nolan@tyndall.ie en
dc.internal.availability Full text available en
dc.check.info Access to this article is restricted until 12 months after publication by request of the publisher. en
dc.check.date 2021-05-06
dc.date.updated 2020-08-17T11:27:35Z
dc.description.version Accepted Version en
dc.internal.rssid 523573335
dc.internal.wokid WOS:000541499600006
dc.contributor.funder Fonds Wetenschappelijk Onderzoek en
dc.contributor.funder Bijzonder Onderzoeksfonds UGent en
dc.contributor.funder Horizon 2020 en
dc.description.status Peer reviewed en
dc.identifier.journaltitle Chemistry of Materials en
dc.internal.copyrightchecked Yes
dc.internal.licenseacceptance Yes en
dc.internal.IRISemailaddress michael.nolan@tyndall.ie en
dc.relation.project info:eu-repo/grantAgreement/EC/H2020::MSCA-ITN-ETN/765378/EU/A European Training Network for Functional Hybrid Coatings by Molecular Layer Deposition/HYCOAT en
dc.identifier.eissn 1520-5002


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