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Annealing effects on the characteristics of AuCl3-doped graphene
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10.1063/1.4790888
/content/aip/journal/jap/113/6/10.1063/1.4790888
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/6/10.1063/1.4790888
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Figures

Image of FIG. 1.
FIG. 1.

AFM images of graphene sheets at various conditions: (a) pristine, (b) as-doped, (c) annealed at 50 °C, (d) annealed at 150 °C, (e) annealed at 300 °C, and (f) annealed at 500 °C after doping. Here, the scale bars indicate 1 μm. (g) Roughness and Au-cluster size of doped graphene sheets as functions of annealing temperature together with those of pristine and as-doped graphene sheets. P and D indicate “pristine” and “doped,” respectively.

Image of FIG. 2.
FIG. 2.

(a) and (b) Raman spectra of doped graphene sheets for various annealing temperatures together with those of pristine and as-doped graphene sheets.

Image of FIG. 3.
FIG. 3.

(a) and (b) Shifts and intensities of the G and 2D Raman bands and (c) intensity ratios of the G to 2D bands and D to G bands as functions of annealing temperature for doped graphene sheets together with those of pristine and as-doped graphene sheets. P and D indicate “pristine” and “doped,” respectively.

Image of FIG. 4.
FIG. 4.

Sheet resistance of doped graphene sheets as a function of annealing temperature together with those of pristine and as-doped graphene sheets. P and D indicate “pristine” and “doped,” respectively.

Image of FIG. 5.
FIG. 5.

(a) XPS spectra of doped graphene sheets for various annealing temperatures together with those of pristine and as-doped graphene sheets. (b) XPS spectra of Au3+ and Au0 4f core levels in doped graphene sheets for various annealing temperatures together with those of as-doped graphene sheet. (c) XPS peak energies of Au0 4f5/2 and Au0 4f7/2 doublet as functions of annealing temperature for doped graphene sheets together with those of as-doped graphene sheet. (d) Atomic compositions of Cl, Au0+, and Au3+ ions as functions of annealing temperature together with those of as-doped graphene sheet. D indicates “doped.”

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/content/aip/journal/jap/113/6/10.1063/1.4790888
2013-02-11
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Annealing effects on the characteristics of AuCl3-doped graphene
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/6/10.1063/1.4790888
10.1063/1.4790888
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