Articles with "graphene sheets" as a keyword



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Combination of Surface Charge and Size Controls the Cellular Uptake of Functionalized Graphene Sheets

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Published in 2017 at "Advanced Functional Materials"

DOI: 10.1002/adfm.201701837

Abstract: A fundamental issue for biomedical applications of graphene is the correlation between its physicochemical properties and cellular uptake mechanism. However, such studies are challenging due to the intrinsic polydispersity of graphene. In this work, a… read more here.

Keywords: surface charge; size; cellular uptake; graphene sheets ... See more keywords
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Orbitally Controlled Quantum Hall States in Decoupled Two-Bilayer Graphene Sheets.

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Published in 2023 at "Advanced science"

DOI: 10.1002/advs.202300574

Abstract: The authors report on integer and fractional quantum Hall states in a stack of two twisted Bernal bilayer graphene sheets. By exploiting the momentum mismatch in reciprocal space, the single-particle tunneling between both bilayers is… read more here.

Keywords: hall states; graphene sheets; bilayer graphene; hall ... See more keywords
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Free-Standing Hybrid Graphene Paper Encapsulating Nanostructures for High Cycle-Life Supercapacitors.

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Published in 2018 at "ChemSusChem"

DOI: 10.1002/cssc.201702283

Abstract: The incorporation of spacers between graphene sheets has been investigated as an effective method to improve the electrochemical performance of graphene papers (GPs) for supercapacitors. Here, we report the design of free-standing GP@NiO and GP@Ni… read more here.

Keywords: free standing; hybrid graphene; graphene paper; graphene sheets ... See more keywords
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Adaptive regularized Gaussian process regression for application in the context of hydrogen adsorption on graphene sheets

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Published in 2022 at "Journal of Computational Chemistry"

DOI: 10.1002/jcc.27035

Abstract: We present a Gaussian process regression (GPR) scheme with an adaptive regularization scheme applied to the QM7 and QM9 test set, several protonated water clusters and specifically to the problem of atomic hydrogen adsorption on… read more here.

Keywords: adsorption graphene; hydrogen adsorption; graphene sheets; gaussian process ... See more keywords
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A novel model for analysis of multilayer graphene sheets taking into account the interlayer shear effect

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Published in 2018 at "Meccanica"

DOI: 10.1007/s11012-018-0861-z

Abstract: In this study, a multiplate shear model is developed for dynamic analysis of multilayer graphene sheets with arbitrary shapes considering the interlayer shear effect. By utilizing the model, then some free-vibration analysis is presented. According… read more here.

Keywords: analysis; graphene sheets; effect; model ... See more keywords
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Nanoparticle mass detection by single-layer triangular graphene sheets, the extraordinary geometry for detection of nanoparticles

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Published in 2020 at "Journal of Nanoparticle Research"

DOI: 10.1007/s11051-020-04886-8

Abstract: Present study peruses the vibrational behavior of triangular graphene sheets based on nano-mechanical graphene sensors. To this end, pristine and defected triangular graphene sheets in two directions, zigzag and armchair, have been simulated in molecular… read more here.

Keywords: detection; frequency; graphene sheets; geometry ... See more keywords
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Nitrogen-doped porous carbon coated on graphene sheets as anode materials for Li-ion batteries

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Published in 2018 at "Ionics"

DOI: 10.1007/s11581-018-2713-1

Abstract: A hierarchical structure of nitrogen-doped porous carbon coated on graphene sheets (GNC) has been successfully synthesized via a facile method. Notably, nitrogen-doped porous carbon (NC) was prepared by direct calcinations of sodium citrate and urea… read more here.

Keywords: nitrogen doped; doped porous; carbon; graphene sheets ... See more keywords
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Robust low friction performance of graphene sheets embedded carbon films coated orthodontic stainless steel archwires

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Published in 2021 at "Friction"

DOI: 10.1007/s40544-020-0471-3

Abstract: Reducing the friction force between the commercial archwire and bracket during the orthodontic treatment in general dental practice has attracted worldwide interest. An investigation on the friction and wear behaviors of the uncoated and carbon… read more here.

Keywords: carbon films; stainless steel; friction; low friction ... See more keywords
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Preparation of electrochemically exfoliated graphene sheets using DC switching voltages

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Published in 2019 at "Carbon Letters"

DOI: 10.1007/s42823-019-00110-3

Abstract: Among various methods to produce graphene sheets, electrochemical exfoliation has been regarded as an effective method for the mass production of high-quality graphene sheets because of its simplicity and environmental friendliness. However, conventional electrochemical exfoliation… read more here.

Keywords: quality graphene; sheets using; high quality; graphene sheets ... See more keywords
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Formation and optoelectronic properties of graphene sheets with CdSe/CdS/ZnS quantum dots monolayer formed by Langmuir-Schaefer hybrid method

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Published in 2017 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.03.235

Abstract: Abstract The monolayer formations of graphene sheets and CdSe/CdS/ZnS quantum dots (QDs) are studied at air-water interface by Langmuir-Blodgett (LB) technique. The heterojunction structures of graphene sheets covered by QDs and placed between metal electrodes… read more here.

Keywords: sheets cdse; monolayer; zns quantum; graphene sheets ... See more keywords
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Modulating the gas sensing properties of nitrogen coordinated dopants in graphene sheets: A first-principles study

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Published in 2018 at "Applied Surface Science"

DOI: 10.1016/j.apsusc.2017.09.010

Abstract: Abstract The stable geometry, electronic property and chemical reactivity of dopants (Co, Mo and B) incorporated N4 centers in graphene sheets (D-GN4) are investigated using the first-principles calculations. It is found that the GN4 sheet… read more here.

Keywords: gas; graphene sheets; modulating gas; gn4 ... See more keywords