Hydrolyzed hexagonal boron nitride/polymer nanocomposites for transparent gas barrier film

Tan Young Kim, Eun Ho Song, Byung Hyun Kang, Se Jung Kim, Yun-Hi Lee, Byeong Kwon Ju

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

A flexible thin gas barrier film formed by layer-by-layer (LBL) assembly has been studied. We propose for the first time that hexagonal boron nitride (h-BN) can be used in LBL assembly. When dispersed in water through sonication-assisted hydrolysis, h-BN develops hydroxyl groups that electrostatically couple with the cationic polymer polydiallyldimethylammonium chloride (PDDA). This process produces hydroxyl-functional h-BN/PDDA nanocomposites. The nanocomposites exhibit well exfoliated and highly ordered h-BN nanosheets, which results in an extremely high visual clarity, with an average transmittance of 99% in the visible spectrum. Moreover, well aligned nanocomposites extend gas diffusion path that reduce water vapor transmission rate to 1.3 ×10-2 g m-2 d-1. The simple and fast LBL process demonstrated here can be applied in many gas barrier applications.

Original languageEnglish
Article number12LT01
JournalNanotechnology
Volume28
Issue number12
DOIs
Publication statusPublished - 2017 Feb 21

Fingerprint

Nanocomposites
Boron nitride
Polymers
Gases
Hydroxyl Radical
Chlorides
Sonication
Diffusion in gases
Nanosheets
Steam
Water vapor
Hydrolysis
boron nitride
Water

Keywords

  • gas barrier
  • hydroxyl-functional hexagonal boron nitride nanosheets (OH-BNNS)
  • layer by layer
  • oxygen transmission rate (OTR)
  • transparency
  • water vapor transmission rate (WVTR)

ASJC Scopus subject areas

  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering
  • Electrical and Electronic Engineering

Cite this

Hydrolyzed hexagonal boron nitride/polymer nanocomposites for transparent gas barrier film. / Kim, Tan Young; Song, Eun Ho; Kang, Byung Hyun; Kim, Se Jung; Lee, Yun-Hi; Ju, Byeong Kwon.

In: Nanotechnology, Vol. 28, No. 12, 12LT01, 21.02.2017.

Research output: Contribution to journalArticle

Kim, Tan Young ; Song, Eun Ho ; Kang, Byung Hyun ; Kim, Se Jung ; Lee, Yun-Hi ; Ju, Byeong Kwon. / Hydrolyzed hexagonal boron nitride/polymer nanocomposites for transparent gas barrier film. In: Nanotechnology. 2017 ; Vol. 28, No. 12.
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