期刊
APPLIED PHYSICS LETTERS
卷 108, 期 9, 页码 -出版社
AMER INST PHYSICS
DOI: 10.1063/1.4943083
关键词
-
资金
- Discovery Grant - Natural Sciences and Engineering Research Council of Canada [402370]
Here, we report a printing mechanism that utilizes mechanical stress for dry transfer of chemically reduced graphene oxide (r-GO) thin film. We discover that shear stress induced on the elastomeric stamp surface facilitates delamination of the deposited r-GO thin film from the stamp. Shear stress is introduced in a roll-to-roll printing system by rotating the stamp roller faster than the substrate roller. Energy-balance theory for thin film transfer is suggested to analyze the film delamination behavior with induced shear stress. Facile dry transfer of r-GO thin film onto flexible substrates is demonstrated in a roll-to-roll printing system at a printing rate of 5 mm/min with calculated shear stress of 325.43 kPa. (C) 2016 AIP Publishing LLC.
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