Journal
APPLIED NANOSCIENCE
Volume 9, Issue 5, Pages 1011-1016Publisher
SPRINGER HEIDELBERG
DOI: 10.1007/s13204-018-0709-9
Keywords
Flexible lateral junction; Graphene-based materials; Ab initio calculation; Electron states; Charges; Coulomb potential
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Within the framework of the methods of the electron density functional and the ab initio pseudopotential, we have obtained the valence electron density spatial distribution, the densities of electron states, the widths of band gaps, the charges on combined regions, and the Coulomb potentials for graphene-based flexible 2D layered junctions, using author program complex. It is determined that the bending of the 2D layered junctions on the angle alpha leads to changes in the electronic properties of these junctions. In the graphene/graphane junction, there is clear charge redistribution with different signs in the regions of junctions. The presence in the heterojunctions of charge regions with different signs leads to the formation of potential barriers. The greatest potential jump is in the graphene/fluorographene junction. The greatest value of the band gap width is in the graphene/graphane junction.
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