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Residue reduction a...
Residue reduction and intersurface interaction on single graphene sheets
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- Karlsson, Linda (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Birch, Jens (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Mockuté, Aurelija (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Sigurdur Ingason, Arni (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Ta, Huy Q. (author)
- Polish Academic Science, Poland; Sungkyunkwan University, South Korea; Soochow University, Peoples R China; Soochow University, Peoples R China
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- Rummeli, Mark H. (author)
- Polish Academic Science, Poland; Soochow University, Peoples R China; Soochow University, Peoples R China; IFW Dresden, Germany
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- Rosén, Johanna (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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- Persson, Per O. Å. (author)
- Linköpings universitet,Tunnfilmsfysik,Tekniska fakulteten
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(creator_code:org_t)
- Pergamon Press, 2016
- 2016
- English.
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In: Carbon. - : Pergamon Press. - 0008-6223 .- 1873-3891. ; 100, s. 345-350
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https://doi.org/10.1...
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Abstract
Subject headings
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- Large regions of pristine graphene are essential to applications which rely on the ideal graphene properties. Common methods for transferring chemical vapour deposition grown graphene to suitable substrates leaves metal oxide particles and poly(methyl methacrylate) (PMMA) residues on opposing surfaces, which degrade the properties. A common method to reduce the residues include annealing in vacuum or in argon, however, residues remain on the graphene sheet. The present investigation reports on the metal oxide particle ripening and PMMA decomposition on a single graphene sheet during in-situ annealing up to 1300 degrees C in a transmission electron microscope. It is shown that the PMMA residues are increasingly reduced at elevated temperatures although the reduction is strongly correlated to the metal oxide particle coverage on the opposing graphene surface. This is shown to occur as a consequence of an electrostatic interaction between the residues and that this prevents the establishment of large clean areas. (C) 2016 Elsevier Ltd. All rights reserved.
Subject headings
- NATURVETENSKAP -- Fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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