期刊
NANOSCALE RESEARCH LETTERS
卷 10, 期 -, 页码 1-5出版社
SPRINGER
DOI: 10.1186/s11671-015-0857-8
关键词
Thin film encapsulation; Atomic layer deposition; Hybrid layer; Lifetime; Organic layer thickness
资金
- National Key Basic Research Program of China [2015CB655005]
- Science and Technology Commission of Shanghai Municipality Program [14DZ228090]
A hybrid nanolaminates consisting of Al2O3/ZrO2/alucone (aluminum alkoxides with carbon-containing backbones) grown by atomic layer deposition (ALD) were reported for an encapsulation of organic light-emitting diodes (OLEDs). The electrical Ca test in this study was designed to measure the water vapor transmission rate (WVTR) of nanolaminates. We found that moisture barrier performance was improved with the increasing of the number of dyads (Al2O3/ZrO2/alucone) and the WVTR reached 8.5 x 10(-5) g/m(2)/day at 25A degrees C, relative humidity (RH) 85%. The half lifetime of a green OLED with the initial luminance of 1,500 cd/m(2) reached 350 h using three pairs of the Al2O3 (15 nm)/ZrO2 (15 nm)/alucone (80 nm) as encapsulation layers.
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