Chemical vapour deposition of freestanding sub-60 nm graphene gyroids

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dc.contributor.authorCebo, Tomasz
dc.contributor.authorAria, Adrianus Indrat
dc.contributor.authorDolan, James A.
dc.contributor.authorWeatherup, Robert S.
dc.contributor.authorNakanishi, Kenichi
dc.contributor.authorKidambi, Piran R.
dc.contributor.authorDivitini, Giorgio
dc.contributor.authorDucati, Caterina
dc.contributor.authorSteiner, Ullrich
dc.contributor.authorHofmann, Stephan
dc.date.accessioned2018-08-13T15:59:38Z
dc.date.available2018-08-13T15:59:38Z
dc.date.issued2017-12-18
dc.description.abstractThe direct chemical vapour deposition of freestanding graphene gyroids with controlled sub-60 nm unit cell sizes is demonstrated. Three-dimensional (3D) nickel templates were fabricated through electrodeposition into a selectively voided triblock terpolymer. The high temperature instability of sub-micron unit cell structures was effectively addressed through the early introduction of the carbon precursor, which stabilizes the metallized gyroidal templates. The as-grown graphene gyroids are self-supporting and can be transferred onto a variety of substrates. Furthermore, they represent the smallest free standing periodic graphene 3D structures yet produced with a pore size of tens of nm, as analysed by electron microscopy and optical spectroscopy. We discuss generality of our methodology for the synthesis of other types of nanoscale, 3D graphene assemblies, and the transferability of this approach to other 2D materials.en_UK
dc.identifier.citationCebo T, Aria AI, Dolan JA, et al., Chemical vapour deposition of freestanding sub-60 nm graphene gyroids, Applied Physics Letters, Vol. 111, Issue 25, 2017, Article number 253103en_UK
dc.identifier.cris19117538
dc.identifier.issn0003-6951
dc.identifier.urihttp://dx.doi.org/10.1063/1.4997774
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/13396
dc.language.isoenen_UK
dc.publisherAIP Publishingen_UK
dc.rightsAttribution-NonCommercial 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc/4.0/*
dc.subjectGyroid
dc.subjectGraphene foam
dc.subjectFree-standing graphene
dc.subjectGraphene nanostructure
dc.subjectCVD
dc.subjectTemplate stability
dc.subjectPrecursor predosing
dc.subjectBlock copolymer self-assembly
dc.titleChemical vapour deposition of freestanding sub-60 nm graphene gyroidsen_UK
dc.typeArticleen_UK

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