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

Jung Hwan Lee; Jun Sik Cho; Seok Keun Koh; Donghwan Kim

doi:10.1016/j.tsf.2003.08.060

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

Jung Hwan Lee, Jun Sik Cho, Seok Keun Koh, Donghwan Kim

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

38 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 language	English
Pages (from-to)	147-151
Number of pages	5
Journal	Thin Solid Films
Volume	449
Issue number	1-2
DOIs	https://doi.org/10.1016/j.tsf.2003.08.060
Publication status	Published - 2004 Feb 2

Keywords

Adhesion
Antireflection
Ion beam
Ion-assisted reaction
Polycarbonate

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Surfaces and Interfaces
Surfaces, Coatings and Films
Metals and Alloys
Materials Chemistry

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10.1016/j.tsf.2003.08.060

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title = "Improvement of adhesion between plastic substrates and antireflection layers by ion-assisted reaction",

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.",

keywords = "Adhesion, Antireflection, Ion beam, Ion-assisted reaction, Polycarbonate",

author = "Lee, {Jung Hwan} and Cho, {Jun Sik} and Koh, {Seok Keun} and Donghwan Kim",

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T1 - Improvement of adhesion between plastic substrates and antireflection layers by ion-assisted reaction

AU - Lee, Jung Hwan

AU - Cho, Jun Sik

AU - Koh, Seok Keun

AU - Kim, Donghwan

PY - 2004/2/2

Y1 - 2004/2/2

N2 - 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.

AB - 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.

KW - Adhesion

KW - Antireflection

KW - Ion beam

KW - Ion-assisted reaction

KW - Polycarbonate

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JO - Thin Solid Films

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

Abstract

Keywords

ASJC Scopus subject areas

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