Hydrogenation of Graphene by Reaction at High Pressure and High Temperature

Dean Smith; Ross T. Howie; Iain F. Crowe; Cristina L. Simionescu; Chris Muryn; Vladimir Vishnyakov; Konstantin S. Novoselov; Yong Jin Kim; Matthew P. Halsall; Eugene Gregoryanz; John E. Proctor

doi:10.1021/acsnano.5b02712

Hydrogenation of Graphene by Reaction at High Pressure and High Temperature

Dean Smith, Ross T. Howie, Iain F. Crowe, Cristina L. Simionescu, Chris Muryn, Vladimir Vishnyakov, Konstantin S. Novoselov, Yong Jin Kim, Matthew P. Halsall, Eugene Gregoryanz, John E. Proctor

Research output: Contribution to journal › Article › peer-review

51 Citations (Scopus)

Abstract

The chemical reaction between hydrogen and purely sp²-bonded graphene to form graphene's purely sp³-bonded analogue, graphane, potentially allows the synthesis of a much wider variety of novel two-dimensional materials by opening a pathway to the application of conventional chemistry methods in graphene. Graphene is currently hydrogenated by exposure to atomic hydrogen in a vacuum, but these methods have not yielded a complete conversion of graphene to graphane, even with graphene exposed to hydrogen on both sides of the lattice. By heating graphene in molecular hydrogen under compression to modest high pressure in a diamond anvil cell (2.6-5.0 GPa), we are able to react graphene with hydrogen and propose a method whereby fully hydrogenated graphane may be synthesized for the first time. (Graph Presented).

Original language	English
Pages (from-to)	8279-8283
Number of pages	5
Journal	ACS Nano
Volume	9
Issue number	8
Early online date	11 Aug 2015
DOIs	https://doi.org/10.1021/acsnano.5b02712
Publication status	Published - 25 Aug 2015

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abstract = "The chemical reaction between hydrogen and purely sp2-bonded graphene to form graphene's purely sp3-bonded analogue, graphane, potentially allows the synthesis of a much wider variety of novel two-dimensional materials by opening a pathway to the application of conventional chemistry methods in graphene. Graphene is currently hydrogenated by exposure to atomic hydrogen in a vacuum, but these methods have not yielded a complete conversion of graphene to graphane, even with graphene exposed to hydrogen on both sides of the lattice. By heating graphene in molecular hydrogen under compression to modest high pressure in a diamond anvil cell (2.6-5.0 GPa), we are able to react graphene with hydrogen and propose a method whereby fully hydrogenated graphane may be synthesized for the first time. (Graph Presented).",

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AU - Smith, Dean

AU - Howie, Ross T.

AU - Crowe, Iain F.

AU - Simionescu, Cristina L.

AU - Muryn, Chris

AU - Vishnyakov, Vladimir

AU - Novoselov, Konstantin S.

AU - Kim, Yong Jin

AU - Halsall, Matthew P.

AU - Gregoryanz, Eugene

AU - Proctor, John E.

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AB - The chemical reaction between hydrogen and purely sp2-bonded graphene to form graphene's purely sp3-bonded analogue, graphane, potentially allows the synthesis of a much wider variety of novel two-dimensional materials by opening a pathway to the application of conventional chemistry methods in graphene. Graphene is currently hydrogenated by exposure to atomic hydrogen in a vacuum, but these methods have not yielded a complete conversion of graphene to graphane, even with graphene exposed to hydrogen on both sides of the lattice. By heating graphene in molecular hydrogen under compression to modest high pressure in a diamond anvil cell (2.6-5.0 GPa), we are able to react graphene with hydrogen and propose a method whereby fully hydrogenated graphane may be synthesized for the first time. (Graph Presented).

KW - diamond anvil cell

KW - functionalized graphene

KW - graphane

KW - graphene

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Hydrogenation of Graphene by Reaction at High Pressure and High Temperature

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