Graphene-based nanolaminates as ultra-high permeation barriers

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dc.contributor.authorSagade, Abhay A.
dc.contributor.authorAria, Adrianus Indrat
dc.contributor.authorEdge, Steven
dc.contributor.authorMelgari, Paolo
dc.contributor.authorGieseking, Bjoern
dc.contributor.authorBayer, Bernhard C.
dc.contributor.authorMeyer, Jannik C.
dc.contributor.authorBird, David
dc.contributor.authorBrewer, Paul
dc.contributor.authorHofmann, Stephan
dc.date.accessioned2017-11-02T15:31:51Z
dc.date.available2017-11-02T15:31:51Z
dc.date.issued2017-10-23
dc.description.abstractPermeation barrier films are critical to a wide range of applications. In particular, for organic electronics and photovoltaics not only ultra-low permeation values are required but also optical transparency. A laminate structure thereby allows synergistic effects between different materials. Here, we report on a combination of chemical vapor deposition (CVD) and atomic layer deposition (ALD) to create in scalable fashion few-layer graphene/aluminium oxide-based nanolaminates. The resulting ~10 nm contiguous, flexible graphene-based films are >90% optically transparent and show water vapor transmission rates below 7 × 10−3 g/m2/day measured over areas of 5 × 5 cm2. We deploy these films to provide effective encapsulation for organic light-emitting diodes (OLEDs) with measured half-life times of 880 h in ambient.en_UK
dc.identifier.citationSagade AA, Aria AI, Edge S, Melgari P, Gieseking B, Bayer BC, Meyer JC, Bird D, Brewer P, Hofmann S, Graphene-based nanolaminates as ultra-high permeation barriers, npj 2D Materials and Applications, Vol. 1, Issue 35, 2017, Article number 35en_UK
dc.identifier.issn2397-7132
dc.identifier.urihttp://dx.doi.org/10.1038/s41699-017-0037-z
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/12697
dc.language.isoenen_UK
dc.publisherNature Publishing Groupen_UK
dc.rightsAttribution 4.0 International
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subjectElectronic devicesen_UK
dc.subjectMechanical and structural properties and devicesen_UK
dc.titleGraphene-based nanolaminates as ultra-high permeation barriersen_UK
dc.typeArticleen_UK

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