Journal
SYNTHETIC METALS
Volume 162, Issue 7-8, Pages 710-714Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.synthmet.2012.02.016
Keywords
Graphene oxide; Self-assembly; Transparent; Oxygen barrier film; Oxygen transmittance rate
Funding
- Ministry of Knowledge Economy [2009-S-001-01, 10031734/10037890]
- Korea Evaluation Institute of Industrial Technology (KEIT) [10031734] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- Ministry of Science, ICT & Future Planning, Republic of Korea [KINC01] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study characterized the properties of a transparent oxygen barrier film in which graphene oxide (GO) was used as the barrier material. GO was produced by oxidizing graphite via chemical methods. Alternating self-assembled solution-deposited GO layers and poly(ethylenimine) (PEI) layers were then deposited on a polyethylene-terephthalate (PET) film surface. The deposited film displayed excellent oxygen barrier properties, decreasing the oxygen transmittance rate (OTR) to 0.05 cc/m(2) day, and its light transmittance was 85.6%. Increasing the number of deposition barrier layers on the PET film decreased the OTR and light transmittance, and the electric conductivity increased. The deposited film was post-treated to obtain modified film characteristics. (C) 2012 Elsevier B.V. All rights reserved.
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