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Low-temperature growth and direct transfer of graphene-graphitic carbon films on flexible plastic substrates

Cited 19 time in Web of Science Cited 25 time in Scopus
Authors
Kim, Yong-Jin; Kim, Sang Jin; Jung, Myung Hee; Choi, Kwang Yeol; Bae, Sukang; Lee, Seoung-Ki; Lee, Youngbin; Shin, Dolly; Lee, Bora; Shin, Huiyoun; Choi, Myungshin; Park, Kyuho; Ahn, Jong-Hyun; Hong, Byung Hee
Issue Date
2012-08
Citation
Nanotechnology, Vol.23 No.34, p. 344016
Abstract
We demonstrate low-temperature growth and direct transfer of graphene-graphitic carbon films (G-GC) onto plastic substrates without the use of supporting materials. In this approach, G-GC films were synthesized on copper layers by using inductively coupled plasma enhanced chemical vapor deposition, enabling the growth of few-layer graphene (G) on top of Cu and the additional growth of graphitic carbon (GC) films above the graphene layer at temperatures as low as 300 degrees C. The patterned G-GC films are not easily damaged or detached from the polymer substrates during the wet etching and transfer process because of the van der Waals forces and pi-pi interactions between the films and the substrates. Raman spectroscopy reveals the two-dimensional hexagonal lattice of carbon atoms and the crystallinity of the G-GC films. The optical transparency and sheet resistance of the G-GC films are controlled by modulating the film thickness. Strain sensors are successfully fabricated on plastic substrates, and their resistance modulation at different strains is investigated.
ISSN
0957-4484
URI
https://hdl.handle.net/10371/172241
DOI
https://doi.org/10.1088/0957-4484/23/34/344016
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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