Tailored CVD graphene coating as a transparent and flexible gas barrier

Title
Tailored CVD graphene coating as a transparent and flexible gas barrier
Authors
박민김명종김수민배수강이슬아서태훈조현진S. ChandramohanEun-Kyung SuhHeon Sang LeeJae Kwan Lee
Keywords
CVD graphene; gas barrier
Issue Date
2016-04
Publisher
Scientific Reports
Citation
VOL 6, 24143-1-24143-8
Abstract
The chemical vapor deposition (CVD) method to obtain tailored graphene as a transparent and flexible gas barrier has been developed. By separating nucleation step from growth, we could reduce early graphene nucleation density and thus induce better stitching between domain boundaries in the second growth step. Furthermore, two step growth in conjunction with electrochemical polishing of Cu foils achieved large graphene domains and improved graphene quality with minimized defects. The performance of resulting graphene as a gas barrier was superior to the graphene obtained by onestep growth on polished or unpolished Cu foils. The CVD graphene reported here could open up the possibility for exploring graphene-based gas barrier due to the minimized density of defect area.
URI
http://pubs.kist.re.kr/handle/201004/59216
ISSN
20452322
Appears in Collections:
KIST Publication > Article
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