Study of thin calcium electrode degradation by ion beam analysis

被引:43
作者
Cros, S. [1 ]
Firon, M.
Lenfant, S.
Trouslard, P.
Beck, L.
机构
[1] CEA Saclay, DRT, LITEN, DSEN,GENEC,L2C, F-91191 Gif Sur Yvette, France
[2] CEA Saclay, INSTN, DRECAM, LEMFI, F-91191 Gif Sur Yvette, France
关键词
Rutherford backscattering spectrometry (RBS); elastic recoil detection analysis (ERDA); nuclear reaction analysis (NRA); oxygen-18; deuterium; calcium; organic light emitting diode (OLED); organic solar cell; encapsulation;
D O I
10.1016/j.nimb.2006.06.014
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Organic materials used in organic light emitting diodes (OLED) and organic solar cells are easily degraded under atmospheric conditions. Indeed, these devices require encapsulation with a barrier material which exhibits extremely low permeation rates for water vapour and oxygen. In order to determine these low permeation rates, the degradation of a metallic calcium layer encapsulated with the barrier material is usually monitored. However, the individual contributions of oxygen and water vapour to this degradation cannot be clearly distinguished. In this study, the corrosion of metallic calcium was investigated using isotopic markers in connection with ion beam analysis. We have shown that calcium reacts only with water at room temperature. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码:257 / 260
页数:4
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