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Amorphous graphene: a constituent part of low density amorphous carbon

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Abstract

In this paper, we provide evidence that low density nano-porous amorphous carbon (a-C) consists of interconnected regions of amorphous graphene (a-G). We include experimental information in producing models, while retaining the power and accuracy of ab initio methods with no biasing assumptions. Our models are highly disordered with predominant sp2 bonding and ring connectivity mainly of sizes 5–8. The structural, dynamical and electronic signatures of our 3-D amorphous graphene are similar to those of monolayer amorphous graphene. We predict an extended x-ray absorption fine structure (EXAFS) signature of amorphous graphene. Electronic density of states calculations for 3-D amorphous graphene reveal similarity to monolayer amorphous graphene and the system is non conducting.

Graphical abstract: Amorphous graphene: a constituent part of low density amorphous carbon

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Publication details

The article was received on 21 Apr 2018, accepted on 05 Jul 2018 and first published on 05 Jul 2018


Article type: Paper
DOI: 10.1039/C8CP02545B
Citation: Phys. Chem. Chem. Phys., 2018, Advance Article
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    Amorphous graphene: a constituent part of low density amorphous carbon

    B. Bhattarai, P. Biswas, R. Atta-Fynn and D. A. Drabold, Phys. Chem. Chem. Phys., 2018, Advance Article , DOI: 10.1039/C8CP02545B

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