Articles with "graphene nanoflakes" as a keyword



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Thermophysical study of graphene nanoflakes by differential scanning calorimetry

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Published in 2019 at "Journal of Thermal Analysis and Calorimetry"

DOI: 10.1007/s10973-019-09040-8

Abstract: Combustion heats of graphene nanoflakes (GNFs) of different thicknesses produced by chemical vapor deposition method were measured for the first time by differential scanning calorimetry (DSC) in the temperature range of 303–1273 K. They were found… read more here.

Keywords: graphene nanoflakes; differential scanning; study; scanning calorimetry ... See more keywords
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Transition metal-doped graphene nanoflakes for CO and CO2 storage and sensing applications: a DFT study

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Published in 2020 at "Structural Chemistry"

DOI: 10.1007/s11224-020-01579-9

Abstract: The adsorptions of CO and CO2 on pristine and transition metal-doped graphene nanoflakes (GNFs) were theoretically investigated using the density functional theory. Doping of a series of 3d transition metals (TM = Sc, Ti, V, Cr, Mn,… read more here.

Keywords: graphene nanoflakes; transition metal; transition; doped graphene ... See more keywords
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Mechanism and kinetics of decomposition of N-containing functional groups in few-layer graphene nanoflakes

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Published in 2019 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2019.04.077

Abstract: Abstract Doping of graphene-based nanomaterials with heteroatoms is a flexible and widely used approach to modify their electronic structure and chemical properties. Applications of these doped materials may imply thermal treatment, so this work was… read more here.

Keywords: decomposition; containing functional; functional groups; layer graphene ... See more keywords
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Random occurrence of macroscale superlubricity of graphite enabled by tribo-transfer of multilayer graphene nanoflakes

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Published in 2018 at "Carbon"

DOI: 10.1016/j.carbon.2018.06.001

Abstract: Abstract Superlubricity of layered materials, such as graphite, boron nitride, and molybdenum disulfide, is easy to achieve at the nano- or microscale by the formation of ideal incommensurate contact, but it has never been observed… read more here.

Keywords: macroscale superlubricity; graphene nanoflakes; superlubricity; multilayer graphene ... See more keywords
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Optical response tuning in graphene nanoflakes: A computational study

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Published in 2018 at "Chemical Physics Letters"

DOI: 10.1016/j.cplett.2017.12.018

Abstract: Abstract We use time dependent density functional theory to study the electronic and optical properties of rectangular graphene nanoflakes with mixed armchair and zigzag edges under uniaxial strain in order to determine the role of… read more here.

Keywords: graphene nanoflakes; uniaxial strain; graphene; response tuning ... See more keywords
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Nitrogen-doped mesoporous graphene nanoflakes for high performance ionic liquid supercapacitors

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Published in 2020 at "Electrochimica Acta"

DOI: 10.1016/j.electacta.2020.136463

Abstract: Abstract Mesoporous nitrogen-doped graphene nanoflakes (N-GNFs) with high nitrogen doping level of 5.0–10.7 at.% were produced by a facile template CVD synthesis using the mixture of acetonitrile and benzene as a precursor. The pore structure, morphology… read more here.

Keywords: nitrogen; nitrogen doped; graphene nanoflakes; spectroscopy ... See more keywords
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Fabrication of aluminum foam reinforced by graphene nanoflakes

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Published in 2018 at "Materials Letters"

DOI: 10.1016/j.matlet.2017.10.043

Abstract: Abstract This paper presents a novel approach for fabricating aluminum foam reinforced by graphene nanoflakes (GNFs) through the direct melt foaming method. With regard to this approach, GNFs coupled with the foaming agent were embedded… read more here.

Keywords: reinforced graphene; graphene nanoflakes; aluminum foam; foam reinforced ... See more keywords
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Mechanism of Li storage on graphene nanoflakes: Density functional theory study

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Published in 2020 at "Surface Science"

DOI: 10.1016/j.susc.2019.121489

Abstract: Abstract The efficiency of metal storage in carbon materials directly affects battery performance. Therefore, elucidating the storage mechanism is important for developing high-efficiency and new storage materials. In this study, interatomic interactions between Li species… read more here.

Keywords: density functional; storage; graphene nanoflakes; mechanism ... See more keywords

Effects of Hydrophobic and Hydrophilic Graphene Nanoflakes on Methane Dissolution Rates in Water under Vapor–Liquid–Hydrate Equilibrium Conditions

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Published in 2021 at "Industrial & Engineering Chemistry Research"

DOI: 10.1021/acs.iecr.0c05808

Abstract: Several industries have steadily gained interest in gas hydrate technologies for their potential use in natural gas transport and storage applications. Additives which optimize the efficiencies of ... read more here.

Keywords: effects hydrophobic; hydrophilic graphene; nanoflakes methane; graphene nanoflakes ... See more keywords
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Pyridine vs N-Hydrogenated Pyridine Moieties: Theoretical Study of Stability and Spectroscopy of Nitrogen-Contained Heterocyclic Aromatic Compounds and Graphene Nanoflakes

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Published in 2018 at "ACS Omega"

DOI: 10.1021/acsomega.8b01759

Abstract: Nitrogen is one of the most common heteroatom appearing in heterocyclic aromatic compounds (HACs) as well as the frequently applied dopant in graphene nanoflakes/nanoribbons. The pyridine moiety is an intuitive and stable common feature of… read more here.

Keywords: hydrogenated pyridine; graphene nanoflakes; aromatic compounds; pyridine moiety ... See more keywords
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Permeability of boron- and nitrogen-doped graphene nanoflakes for protium/deuterium ions

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Published in 2022 at "RSC Advances"

DOI: 10.1039/d1ra09398c

Abstract: Two-dimensional (2D) monolayer nanomaterials are the thinnest possible membranes with interesting selective permeation characteristics. Among two-dimensional materials, graphenes and hexagonal boron nitride (h-BN) are the most promising membrane materials, which can even allow the separation… read more here.

Keywords: nitrogen doped; graphene nanoflakes; permeation; boron ... See more keywords