Computational studies for reduced graphene oxide in hydrogen-rich environment

Details Computational studies for reduced graphene oxide in hydrogen-rich environment Computational studies for reduced graphene oxide in hydrogen-rich environment

2011-12-20

arxiv.org/abs/1112.4546v1

J. Phys. Chem. A 116, 1820 (2012)

Physics

Condensed Matter

Materials Science

9 pages and 9 figures. Animations and movies are available at: http://qmsimulatorgojpc.wordpress.com/

Scientific paper

We employ molecular dynamic simulations to study the reduction process of graphene-oxide (GO) in a chemically active environment enriched with hydrogen. We examine the concentration and pressure of hydrogen gas as a function of temperature in which abstraction of oxygen is possible with minimum damage to C-sp$^2$ bonds hence preserving the integrity of the graphene sheet. Through these studies we find chemical pathways that demonstrate beneficiary mechanisms for the quality of graphene including formation of water as well as suppression of carbonyl pair holes in favor of hydroxyl and epoxy formation facilitated by hydrogen gas in the environment.

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