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Formation of 3D Graphene Foams on Soft Templated Metal Monoliths

Tynan, M.K.; Johnson, D.W.; Dobson, B.P.; Coleman, K.S.

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Authors

M.K. Tynan

D.W. Johnson

B.P. Dobson



Abstract

Graphene foams are leading contenders as frameworks for polymer thermosets, filtration/pollution control and for use as an electrode material in energy storage devices, taking advantage of graphene’s high electrical conductivity and the porous structure of the foam. Here we demonstrate a simple synthesis of a macroporous 3D graphene material templated from a dextran/metal salt gel, where the metal was cobalt, nickel, copper, and iron. The gel was annealed to form a metal oxide foam prior to a methane chemical vapour deposition (CVD). Cobalt metal gels were shown to afford the highest quality material as determined by electron microscopy (SEM and TEM) and Raman spectroscopy.

Citation

Tynan, M., Johnson, D., Dobson, B., & Coleman, K. (2016). Formation of 3D Graphene Foams on Soft Templated Metal Monoliths. Nanoscale, 8(27), 13303-13310. https://doi.org/10.1039/c6nr02455f

Journal Article Type Article
Acceptance Date Jun 9, 2016
Online Publication Date Jun 13, 2016
Publication Date Jul 21, 2016
Deposit Date Jun 9, 2016
Publicly Available Date Mar 29, 2024
Journal Nanoscale
Print ISSN 2040-3364
Electronic ISSN 2040-3372
Publisher Royal Society of Chemistry
Peer Reviewed Peer Reviewed
Volume 8
Issue 27
Pages 13303-13310
DOI https://doi.org/10.1039/c6nr02455f

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