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The impact of edges and dopants on the work function of graphene nanostructures: The way to high electronic emission from pure carbon medium
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10.1063/1.4804375
/content/aip/journal/apl/102/18/10.1063/1.4804375
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/18/10.1063/1.4804375
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Dependence of the 4ZGNR work function on the ribbon edges fictionalization. The atomic structures of the nanoribbon with a hydrogenated, fluorinated, and clean edges are shown. The red and blue dashed lines correspond to the theoretical (see Refs. ) and experimental (see Ref. ) values of the graphene work function.

Image of FIG. 2.
FIG. 2.

Dependence of work function (a) and Fermi level (b) on the positions and types of the dopants. Only symmetry nonequivalent positions of the doping atoms were considered. The blue horizontal line corresponds to the work function (a) and Fermi level (b) of pure 4ZGNR.

Image of FIG. 3.
FIG. 3.

Dependencies of the strain energy and work function of the 4ZGNR (a) and 6ZGNR (b) with hydrogenated edges upon the nitrogen impurities in theribbon structure. The strain energy is defined as a difference between the energy of the preferable position E (a), E (b), and the energy of current state, E. Only symmetry nonequivalent positions of the doping atoms were considered.

Image of FIG. 4.
FIG. 4.

Dependence of the work function of the graphene nanoflakes on their perimeter.

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/content/aip/journal/apl/102/18/10.1063/1.4804375
2013-05-08
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: The impact of edges and dopants on the work function of graphene nanostructures: The way to high electronic emission from pure carbon medium
http://aip.metastore.ingenta.com/content/aip/journal/apl/102/18/10.1063/1.4804375
10.1063/1.4804375
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