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Degradation Protection of Color Dyes Encapsulated by Graphene Barrier Films

Cited 2 time in Web of Science Cited 2 time in Scopus
Authors
Kim, Dong Jin; Choi, Yong Seok; Choi, Hae-Hyun; Kwon, Sung-Joo; Lee, Tae-Woo; Choi, Hyunchul; Kang, Inbyeong; Park, Jong Hyun; Hong, Byung Hee
Issue Date
2019-09
Citation
Chemistry of Materials, Vol.31 No.18, pp.7173-7177
Abstract
The decolorization of paintings, photographs, and artworks is a common phenomenon related to the oxidative degradation of color dyes reacting with oxygen or water molecules, which also causes a critical problem in organic light-emitting diodes (OLEDs). It is expected that the gas-impermeable property of graphene and h-BN can be utilized to protect the color dyes from degradation. However, the transfer method has been limited to a polymer with high glass transition temperature (T-g) or a glass substrate due to hot or wet transfer conditions. Here, we report the dry transfer coating of the graphene barrier films on flexible substrates at room temperature using a roll-to-roll process to prevent the bleaching of color dyes, which can be widely used to protect various colorization and light-emitting materials for sustainable printing and display technologies in the future.
ISSN
0897-4756
URI
https://hdl.handle.net/10371/171775
DOI
https://doi.org/10.1021/acs.chemmater.9b01075
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College of Natural Sciences (자연과학대학)Dept. of Chemistry (화학부)Journal Papers (저널논문_화학부)
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