Journal
CARBON
Volume 59, Issue -, Pages 121-129Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.carbon.2013.02.063
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Funding
- Semiconductor Research Corporation program (SRC-GRC)
- Korea Electrotechnology Research Institute
- [FA9550-09-1-0297]
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We report a nano-scale quantification study of the adhesion energy of chemically vapor deposited (CVD) graphene on Cu and Ni. The adhesion energy of graphene on Cu and Ni substrates was measured to be 12.8 and 72.7 Jm(-2), respectively. Density functional theory shows that the graphene/Ni interface exhibits more covalent bonding than graphene/Cu which is partially ionic, hence the reason for the higher adhesion energy for graphene/Ni. We believe that this nano-scale adhesion energy measurement method could be further extended for measuring the adhesion energy of other 2D materials. (C) 2013 Elsevier Ltd. All rights reserved.
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