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Fuzzy Nanoassembly of Polyelectrolyte and Layered Clay Multicomposite toward a Reliable Gas Barrier

Authors
Choi, Jin HwanPark, Young WookPark, Tae HyunSong, Eun HoLee, Hyun JunKim, HakkooShin, Se JoongFai, Vincent Lau ChunJu, Byeong-Kwon
Issue Date
1-5월-2012
Publisher
AMER CHEMICAL SOC
Citation
LANGMUIR, v.28, no.17, pp.6826 - 6831
Indexed
SCIE
SCOPUS
Journal Title
LANGMUIR
Volume
28
Number
17
Start Page
6826
End Page
6831
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/108459
DOI
10.1021/la300831p
ISSN
0743-7463
Abstract
Flexible and transparent gas-diffusion barriers have played an important role in recent years. The present study describes a flexible barrier film with a tailored architecture of cationic polyelectrolytes and clay/polymer nanoassemblies. Highly oriented and well-aligned barrier films were achieved by the consecutive absorption of flexible cationic polymer and anionic montrnorillonite platelets. The experimental results showed that the layer-by-layer deposition of oppositely charged thin films containing self-assembled poly(vinyl alcohol) and montmorillonites improved their gas barrier characteristics based on the Ca degradation test, enhancing their optical transparency. This nanostructure, fabricated using a solution process, is useful in many applications, for example, flexible and moisture-free organic electronics. This simple and fast method is suitable for the mass coating of large surface areas, as required in industry.
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