Few-Layer Graphene
Limmer, Thomas (2012): Influence of carrier density on the ultrafast optical response of graphene and few-layer graphene. Dissertation, LMU München: Fakultät für Physik
... in graphene, we modified the latter by changing the number of stacked graphene ...of few-layer graphene sam- ples with increasing number of ...of few-layer ...as ...
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Efficient Production of High Quality Few Layer Graphene Using a Simple Hydrodynamic Assisted Exfoliation Method
... In this work, a simple method based on hydrodynamic mechanism was proposed for scalable production of high-quality few-layer graphene flakes. A simple needle valve was used as exfoliation device. The ...
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Synthesis of Few Layer Graphene Using Mechanical Exfoliation of Kitchen Blender Method for Super Capacitor Applications
... to graphene mechanical-exfoliation through kitchen blender ...prepared few layer graphene was done first time used as a electrode materials for supercapacitors ...Double Layer Capacitor ...
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The production of concentrated dispersions of few layer graphene by the direct exfoliation of graphite in organosilanes
... obtain graphene by this technique involves the dispersion and exfoliation of graphene oxide ...of graphene sheets which are chemically functionalized with groups such as hydroxy and epoxide, which ...
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Spectroscopic metrics allow in situ measurement of mean size and thickness of liquid exfoliated few layer graphene nanosheets
... and few- layer ...on graphene nanosheet networks, we found both the D/G intensity ratio and the width of the G-band to scale with mean nanosheet length allowing us to establish quantitative ...
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Few-layer graphene sheets with embedded gold nanoparticles for electrochemical analysis of adenine
... of few-layer graphene sheets embedded with various amounts of gold nanoparticles (Gr-Au-x) over an Au x /MgO catalytic system (where x = 1, 2, or 3 ...
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Single stage electrochemical exfoliation method for the production of few layer graphene via intercalation of tetraalkylammonium cations
... of few-layer ...the graphene interplanar spacing, the intercalation is permitted due to flexibility of the alkyl groups and the ability of the TBA ion to flatten between the graphene sheets ...
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Few Layer Graphene Sheet Passivated Porous Silicon Toward Excellent Electrochemical Double Layer Supercapacitor Electrode
... Few-layer graphene sheet-passivated porous silicon (PSi) as an outstanding electrochemical double-layer supercapacitor electrode was ...with few-layer graphene sheets by a ...
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Millstone Exfoliation: a True Shear Exfoliation for Large Size Few Layer Graphene Oxide
... A millstone (MS) was introduced in the production of large-size few-layer-graphene oxide (FLGO) via true shear exfoliation in order to minimize fragmentation. The MS was constructed with two glass ...
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Temperature dependence of the electrical transport properties in few layer graphene interconnects
... of graphene is found to be linear for low energies near the six corners of the two-dimensional (2D) hexagonal Brillouin zone [1-4], leading to a zero effective mass for electrons and holes ...Furthermore, ...
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Thinning and functionalization of few layer graphene sheets by CF4 plasma treatment
... top layer of the few-layer graphene sheet, the rela- tive intensity of the D band may give us a clue about the thickness of the ...plasma-thinned few-layer graphene sheets ...
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Nanoscale measurements of unoccupied band dispersion in few-layer graphene
... trilayer graphene on SiC by introducing a novel LEEM-based ...of few-layer graphene are compared with calculations and provide an elegant visualization of the tight-binding ...
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Water Dispersible Few Layer Graphene Stabilized by a Novel Pyrene Derivative at Micromolar Concentration
... aqueous graphene suspensions for biomedical ...of graphene and few-layer graphene for applications in areas such polymer composites, sensors and energy storage has been reported ...of ...
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Yielding and flow of highly concentrated, few layer graphene suspensions
... sions of defect-free, few layer graphene akes with high aspect ratios of 1000. The suspension is stabilized against aggrega- tion by the solvent itself as its surface energy is closely matched to ...
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Unusual surface and edge morphologies, sp2 to sp3 hybridized transformation and electronic damage after Ar+ ion irradiation of few layer graphene surfaces
... on few-layer graphene (FLG) irradiated by Ar + ions at different energies were investigated using X-ray photoemission spectroscopy (XPS) and atomic force microscopy ...peeling graphene layers ...
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Scalable production of large quantities of defect free few layer graphene by shear exfoliation in liquids
... rotor/stator gap) in figure 2D. This shows a minimum shear rate of min 10 4 s -1 , implying that the same exfoliation mechanism occurs in both laminar and turbulent regimes. We note that all the well-exfoliated ...
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Electrochemical evaluation and phase related impedance studies on silicon–few layer graphene (FLG) composite electrode systems
... This relates to the quasi-plateaus for Si and FLG components within the electrode overlapping with each other. It can further be seen that for the Si only electrodes, there are obvious reductions in lithiation plateaus ...
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Few-layer Graphene Prepared Via Microwave Digestion Reduction and its Electrochemical Performances in Lithium Ion Batteries
... contrast, graphene sheets exhibits dramatically decreased intensities of the C1s components associated with carbon-oxygen bond ...conjugated graphene sheets are restored after the ...of graphene ...
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Biodistribution and toxicity of radio-labeled few layer graphene in mice after intratracheal instillation
... the graphene interlayer distance is ...FLG graphene had a continuous lateral size distribution from 60 to 590 nm and two main peaks at 90 nm and 365 ...of graphene suspended in ...be graphene ...
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Transferring Few Layer Graphene Sheets on Hexagonal Boron Nitride Substrates for Fabrication of Graphene Devices
... fabricating graphene electronic devices on commercially obtained hBN is ...deposit graphene on hBN substrates in order to fabricate graphene devices employing a mechanical co-lamination and transfer ...
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