We report the facile fabrication of transparent and high-performance moisture barrier material (SC nanocomposite) using surface-modified bentonite clay (SC) as nanofiller and glycidyl silane as a surface-modifier/binder via simple, cost-effective and mass-producible process. SC is synthesised using a base-catalysed sol-gel process; their hydroxyl surfaces are decorated with glycidyl ligands to endure the densely stacked structure and high clay content in the final nanocomposite. The SC nanocomposite barrier exhibits high optical transparency (>90), dense multi-stacked clay structure, and considerably enhanced moisture barrier performance. We discuss the fabrication and physical properties of the SC nanocomposite. To assess the applicability of the nanocomposite as a high-performance barrier material in practical applications, typical organic light-emitting devices are encapsulated, and their lifetime is evaluated.
CITATION STYLE
Kang, D. J., Park, G. U., Park, H. Y., Park, J. U., & Im, H. G. (2018). A high-performance transparent moisture barrier using surface-modified nanoclay composite for OLED encapsulation. Progress in Organic Coatings, 118, 66–71. https://doi.org/10.1016/j.porgcoat.2018.01.021
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