Improvement of adhesion between plastic substrates and antireflection layers by ion-assisted reaction

Jung Hwan Lee, Jun S. Cho, Seok Keun Koh, Donghwan Kim

Research output: Contribution to journalArticle

35 Citations (Scopus)

Abstract

Enhanced adhesion was observed between antireflection (AR) layers and polycarbonate (PC) substrates by irradiating the substrates with low-energy Ar ions in an O2 environment. The AR coating consisted of SiO 2/TiO2 multi-layers that were deposited by ion-beam sputtering. Improved adhesion was evidenced by a peeling test. Ion irradiation caused the surface characteristics to become more hydrophilic as measured by the water contact angle, which decreased from 76° to 18° after the ion irradiation. X-ray photoelectron spectroscopy analysis showed that the concentration of hydrophilic groups such as C=O and C-O increased as a result of the ion irradiation. The changes in surface roughness and in optical transmittance were negligible. The optical reflectance of the AR/PC structure was below 1% in the visible range.

Original languageEnglish
Pages (from-to)147-151
Number of pages5
JournalThin Solid Films
Volume449
Issue number1-2
DOIs
Publication statusPublished - 2004 Feb 2

Fingerprint

polycarbonate
Ion bombardment
ion irradiation
adhesion
Adhesion
plastics
polycarbonates
Ions
Plastics
Polycarbonates
Substrates
Antireflection coatings
ions
peeling
Peeling
antireflection coatings
Opacity
Ion beams
Contact angle
Sputtering

Keywords

  • Adhesion
  • Antireflection
  • Ion beam
  • Ion-assisted reaction
  • Polycarbonate

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Improvement of adhesion between plastic substrates and antireflection layers by ion-assisted reaction. / Lee, Jung Hwan; Cho, Jun S.; Koh, Seok Keun; Kim, Donghwan.

In: Thin Solid Films, Vol. 449, No. 1-2, 02.02.2004, p. 147-151.

Research output: Contribution to journalArticle

Lee, Jung Hwan ; Cho, Jun S. ; Koh, Seok Keun ; Kim, Donghwan. / Improvement of adhesion between plastic substrates and antireflection layers by ion-assisted reaction. In: Thin Solid Films. 2004 ; Vol. 449, No. 1-2. pp. 147-151.
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