Layer‐by‐layer assembled nano‐composite multilayer gas barrier film manufactured with stretchable substrate

Se Jung Kim, Tanyoung Kim, Dongsoo Kim, Byeong Kwon Ju

Research output: Contribution to journalArticlepeer-review

Abstract

Most gas barrier films produce cracks that lead to a significant loss of gas barrier integrity when strain is applied. In order to fabricate stretchable gas barrier films with low water permeability and high endurance after stretching, we used polydiallydimethylammonium (PDDA) mixed with graphene oxide (GO) and poly (vinyl alcohol) (PVA) mixed with montmorillonite (MMT). These films were manufactured by layer‐by‐layer assembly on an Ecoflex/polydimethylsiloxane (PDMS) substrate with pre‐strain applied. A total of 30 layers of PDDA (GO)/PVA (MMT) coated on the substrate exhibited a low water vapor transmission rate of 2.5 × 10−2 g/m2 day after 100 cycles of stretching (30% strain). In addition, they exhibited a high light transmittance of 86.54%. Thus, the prepared stretchable gas barrier film has potential applications as a barrier film in transparent and stretchable electronic devices.

Original languageEnglish
Article number5794
JournalApplied Sciences (Switzerland)
Volume11
Issue number13
DOIs
Publication statusPublished - 2021 Jul 1

Keywords

  • Layer‐by‐layer
  • Nano‐composite
  • Pre‐strain
  • Stretchable

ASJC Scopus subject areas

  • Materials Science(all)
  • Instrumentation
  • Engineering(all)
  • Process Chemistry and Technology
  • Computer Science Applications
  • Fluid Flow and Transfer Processes

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