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Do face masks contain graphene? 

Graphene
Electron diffraction
Graphene nanoribbons
Lithography
Carbon nanotube

Answers from top 10 papers

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Papers (10)Insight
Open access•Journal Article•DOI
Stacking of adjacent graphene layers grown on C-face SiC
Leif I. Johansson, Somsakul Watcharinyanon, Alexei Zakharov, Tihomir Iakimov, Rositsa Yakimova, Chariya Virojanadara 
06 Sep 2011-Physical Review B
55 Citations
Formation of patches of silicate is revealed on some samples, but the graphene formed on such nonhomogenous surfaces can contain fairly large ordered multilayer graphene grains.
Journal Article•DOI
Graphene versus coronavirus: A study of the graphene properties that can help to combat coronavirus
T. Guerra, I. O. Assis, A. B. Guerra 
01 Dec 2021
The hydrophobicity of graphene can be important to prevent the face mask that doesn’t get wet when you breathe with it.
Open access•Journal Article•DOI
Controlling carbon-nanotube-phospholipid solubility by curvature-dependent self-assembly.
Jukka Määttä, Sampsa Vierros, Maria Sammalkorpi 
25 Feb 2015-Journal of Physical Chemistry B
18 Citations
Besides engineering dispersion efficiency, the findings could bear significance in designing materials with defined molecular scale, molecular coatings for orientation specific CNT assembly or lipid-based molecular masks and patterning on graphene.
Open access•Journal Article•DOI
Multiple π-bands and Bernal stacking of multilayer graphene on C-face SiC, revealed by nano-Angle Resolved Photoemission
Leif I. Johansson, Rickard Armiento, José Avila, Chao Xia, Stephan Lorcy, Igor A. Abrikosov, Maria C. Asensio, Chariya Virojanadara 
01 May 2015-Scientific Reports
37 Citations
Here we report detailed nano-ARPES band mappings of individual graphene grains that unambiguously show that multilayer C-face graphene exhibits multiple π-bands.
Open access•Journal Article
Half integer quantum Hall effect in high mobility single layer epitaxial graphene
Claire Berger, Xiaosong Wu, Yike Wu, Ming Ruan, Nerasoa K. Madiomanana, John Hankinson, Mike Sprinkle, Benjamin A. Piot, Clément Faugeras, Marek Potemski, Walt A. de Heer 
15 Mar 2010-Bulletin of the American Physical Society
129 Citations
These and other properties indicate that C-face epitaxial graphene is a viable platform for graphene-based electronics.
Journal Article•DOI
Patterning graphene nanoribbons using copper oxide nanowires
Alexander Sinitskii, James M. Tour 
07 Mar 2012-Applied Physics Letters
30 Citations
We demonstrate that these etch masks have numerous advantages: they can be synthesized simply by heating a copper foil in air, deposited on graphene from a solution, they are inert to oxygen plasma, and can be removed from the substrate by dissolution in mild acids.
Open access•Journal Article•DOI
Stacking of adjacent graphene layers grown on C-face SiC
Leif I. Johansson, Somsakul Watcharinyanon, Alexei Zakharov, Tihomir Iakimov, Rositsa Yakimova, Chariya Virojanadara 
06 Sep 2011-Physical Review B
55 Citations
Our findings thus clearly show the existence of distinct graphene grains with different azimuthal orientations; they do not show adjacent graphene layers are rotationally disordered, as previously reported for C-face graphene.
Journal Article•DOI
Reusable silicon shadow mask with sub-5 μm gap for low cost patterning
Pankaj B. Agarwal, Shuvam Pawar, Shuvam Pawar, Suman M. Reddy, Suman M. Reddy, Prabhash Mishra, Ajay Agarwal 
01 May 2016-Sensors and Actuators A-physical
16 Citations
The fabricated shadow masks not only provide low cost patterning but also essential, when chemical free lithography is required to make contacts with bio-molecules, CNTs, graphene etc.
Journal Article•DOI
Graphene edge lithography.
Guibai Xie, Zhiwen Shi, Rong Yang, Donghua Liu, Wei Yang, Meng Cheng, Duoming Wang, Dongxia Shi, Guangyu Zhang 
16 Aug 2012-Nano Letters
49 Citations
Compared with conventional lithographic fabrication techniques, this new approach uses graphene edges as the templates or masks and offers advantage in technological simplicity and capability of creating small features below 10 nm scale.
Journal Article•DOI
Hydrocarbon lithography on graphene membranes
Jannik C. Meyer, Caglar Girit, M. F. Crommie, Alex Zettl 
28 Mar 2008-Applied Physics Letters
278 Citations
Electron-beam induced deposition on graphene might be used to create nanometer-scale doping patterns, diffraction gratings, or etch masks in this novel electronic material.

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