Gas Barrier Film Using Graphene Oxide/Metal/Graphene Oxide Sandwich Structure Layer for Flexible Organic Light Emitting Diodes Displays

被引：1
|
作者：
Yang, Seung-Yeol [1 ]
Kim, Sun-Kyo [1 ]
Kim, Yong-Seog [1 ]
机构：
[1] Hongik Univ, Dept Mat Sci & Engn, Seoul 121791, South Korea
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2017年 / 17卷 / 10期
关键词：
OLED; Encapsulation; Flexible; Graphene Oxide; Aluminum; TRANSPARENT; COATINGS; PERMEATION; WATER;
D O I：
10.1166/jnn.2017.14715
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In order to explore a possibility of graphene oxide as a flexible barrier material, graphene oxide/polyelectrolyte nano-composite film was prepared using Layer-by-Layer process and its barrier characteristics were evaluated. The effects of hydrophilic ligands and interplanar spacing between graphene oxide layers on the barrier characteristics were investigated by using multi polyelectrolyte layers and heat treatment. And in order to reduce the ingress of water molecules through defects such as vacancies and nano-scale pores in the graphene oxide basal plane, an aluminum film of various thickness was deposited. As a result, the Water Vapor Transmission Rate (WVTR) obtained was 1.3x10(-3) g/m(2) . day.
引用
收藏
页码：7173 / 7178
页数：6
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