Highly oriented gold/nanoclay-polymer nanocomposites for flexible gas barrier films

Eun Ho Song, Byung Hyun Kang, Tan Young Kim, Hyun Jun Lee, Young Wook Park, Young Cho Kim, Byeong Kwon Ju

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Layer-by-layer (LBL) assembly, which uses electronic and ionic intermolecular bonding under nonvacuum conditions, is a promising technology for fabricating gas barrier films owing to its simple processing and easy formation of a multilayer structure. In this research, nanoclay-polymer multilayers of Na+-montmorillonite (Na-MMT) were fabricated. Particularly, the addition of AuCl3 on fabricated MMT layers caused a reaction with the surface silanol functional groups (Si-O-H) of the MMT platelets, resulting in the formation of Au2O3 on the MMT-polymer multilayers. The Au2O3 filled the vacancies between the MMT platelets and linked the MMT platelets together, thus forming a gas barrier film that reduced the water vapor transmission rate (WVTR) to 3.2 × 10-3 g m-2 day-1. AuCl3-treated MMT-polymer multilayers thus have the potential to be utilized for manufacturing gas barrier films for flexible electronics on a large scale.

Original languageEnglish
Pages (from-to)4778-4783
Number of pages6
JournalACS Applied Materials and Interfaces
Volume7
Issue number8
DOIs
Publication statusPublished - 2015 Mar 4
Externally publishedYes

Fingerprint

Gold
Nanocomposites
Polymers
Multilayers
Platelets
Gases
Flexible electronics
Clay minerals
Water vapor
Functional groups
Vacancies
Bentonite
Steam
2-methylcyclopentadienyl manganese tricarbonyl
Processing

Keywords

  • 2D materials
  • flexible gas barrier films
  • gold complex
  • nanoclay
  • water vapor transmission rate

ASJC Scopus subject areas

  • Materials Science(all)

Cite this

Highly oriented gold/nanoclay-polymer nanocomposites for flexible gas barrier films. / Song, Eun Ho; Kang, Byung Hyun; Kim, Tan Young; Lee, Hyun Jun; Park, Young Wook; Kim, Young Cho; Ju, Byeong Kwon.

In: ACS Applied Materials and Interfaces, Vol. 7, No. 8, 04.03.2015, p. 4778-4783.

Research output: Contribution to journalArticle

Song, Eun Ho ; Kang, Byung Hyun ; Kim, Tan Young ; Lee, Hyun Jun ; Park, Young Wook ; Kim, Young Cho ; Ju, Byeong Kwon. / Highly oriented gold/nanoclay-polymer nanocomposites for flexible gas barrier films. In: ACS Applied Materials and Interfaces. 2015 ; Vol. 7, No. 8. pp. 4778-4783.
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