Fabrication of anti-reflection coatings on plastics using the spraying layer-by-layer self-assembly technique

    Authors

    A. Chunder; K. Etcheverry; S. Wadsworth; G. D. Boreman;L. Zhai

    Comments

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    Abbreviated Journal Title

    J. Soc. Inf. Disp.

    Keywords

    Antireflection plastics; spray; layer-by-layer self-assembly; THIN-FILMS; POLYELECTROLYTE MULTILAYERS; ASSISTED DEPOSITION; POLYCARBONATE; Engineering, Electrical & Electronic; Materials Science, ; Multidisciplinary; Optics; Physics, Applied

    Abstract

    Anti-reflection (AR) coatings on plastic substrates have been extensively investigated with the development of large-area LCD and LED displays. A robust AR coating on plastics requires strong adhesion to the substrate, precise thickness and refractive index, and abrasion resistance. In this paper, abrasion-resistant AR coatings were fabricated on polycarbonate substrates using the layer-by-layer spraying deposition of poly( allylamine hydrochloride) (PAH) and silica nanoparticles. The adhesion between the substrates and coatings was enhanced by treating the polycarbonate surfaces with aminopropyltrimethoxylsilane ( APTS). The porous low-refractive-index PAH/silica-nanoparticles multilayers were constructed by the layer-by-layer spraying of PAH and silica-nanoparticles aqueous solutions onto the functionalized substrates. The subsequent treatment of the porous coatings with tetrahydroxylsilane leads to stable abrasion-resistant AR coatings. The resultant AR coatings can reduce the reflection from 5 to 0.3%. The reported technique provides a cost-effective method for large-scale production of AR coatings on plastic substrates.

    Journal Title

    Journal of the Society for Information Display

    Volume

    17

    Issue/Number

    4

    Publication Date

    1-1-2009

    Document Type

    Article; Proceedings Paper

    Language

    English

    First Page

    389

    Last Page

    395

    WOS Identifier

    WOS:000264452600014

    ISSN

    1071-0922

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