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High-yield production of graphene by liquid-phase exfoliation of graphite.
Fully exploiting the properties of graphene will require a method for the mass production of this remarkable material. Two main routes are possible: large-scale growth or large-scale exfoliation.Expand
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Liquid phase production of graphene by exfoliation of graphite in surfactant/water solutions.
We have demonstrated a method to disperse and exfoliate graphite to give graphene suspended in water-surfactant solutions. Optical characterization of these suspensions allowed the partialExpand
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Two-Dimensional Nanosheets Produced by Liquid Exfoliation of Layered Materials
Layered transition metal dichalcogenides, such as tungsten disulfide, are exfoliated into atomically thin flakes. If they could be easily exfoliated, layered materials would become a diverse sourceExpand
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High-concentration solvent exfoliation of graphene.
A method is demonstrated to prepare graphene dispersions at high concentrations, up to 1.2 mg mL(-1), with yields of up to 4 wt% monolayers. This process relies on low-power sonication for longExpand
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Silver Nanowire Networks as Flexible, Transparent, Conducting Films: Extremely High DC to Optical Conductivity Ratios.
We have used aqueous dispersions of silver nanowires to prepare thin, flexible, transparent, conducting films. The nanowires are of length and diameter close to 6.5 μm and 85 nm, respectively. At lowExpand
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High-concentration, surfactant-stabilized graphene dispersions.
A method is presented to produce graphene dispersions, stabilized in water by the surfactant sodium cholate, at concentrations up to 0.3 mg/mL. The process uses low power sonication for long timesExpand
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Are there fundamental limitations on the sheet resistance and transmittance of thin graphene films?
From published transmittance and sheet resistance data, we have calculated a figure of merit for transparent, conducting graphene films; the DC to optical conductivity ratio, sigma(DC)/sigma(Op). ForExpand
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Size effects and the problem with percolation in nanostructured transparent conductors.
Much research is underway at present to develop nanostructured transparent conductors for use as electrodes. Transparent electrodes typically require high visible transmittances, T > 90%, and so mustExpand
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The effects of percolation in nanostructured transparent conductors
Networks of nanoscale conductors such as carbon nanotubes, graphene, and metallic nanowires are promising candidates to replace metal oxides as transparent conductors. However, very few previousExpand
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Electrical connectivity in single-walled carbon nanotube networks.
Transport in single-walled carbon nanotubes (SWCNTs) networks is shown to be dominated by resistance at network junctions which scale with the size of the interconnecting bundles. Acid treatment,Expand
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