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Issue 29, 2018
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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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Supplementary files

Article information


Submitted
21 Apr 2018
Accepted
05 Jul 2018
First published
05 Jul 2018

Phys. Chem. Chem. Phys., 2018,20, 19546-19551
Article type
Paper
Author version available

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, 20, 19546
DOI: 10.1039/C8CP02545B

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