UV and white electroluminescence in AVB polymer

被引：4
|
作者：
Romdhane, S
Marai, F
Hassine, L
Fave, JL
Roussel, J
Majdoub, M
Bouchriha, H
机构：
[1] Fac Sci Tunis, Phys Mat Condensee Lab, Tunis 1060, Tunisia
[2] Fac Sci Bizerte, Bizerte 7021, Tunisia
[3] Inst Natl Rech Sci & Tech, Hammam Lif 2050, Tunisia
[4] Univ Paris 06 & 7, CNRS, Phys Solides Grp, UMR 75 88, F-75251 Paris 05, France
[5] Fac Sci Monastir, Lab chim Polymeres, Iloilo 5000, Philippines
来源：
SYNTHETIC METALS | 2003年 / 139卷 / 02期
关键词：
UV and white electroluminescence; AVB polymer; organic light emitting diodes;
D O I：
10.1016/S0379-6779(03)00128-0
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
UV-Vis absorption, photoluminescence (PL), and electroluminescence (EL) from heterostructure thin films made of 1,4-bis-(9-anthrylvinyl)-benzene (AVB) are investigated. UV-Vis absorption data are used to determine the band gap of the material which is estimated to be 2.28 eV. It is observed that the AVB electroluminescence spectrum is broad, ranging from 400 to 850 nm. The EL is obtained at a low voltage (less than 6 V) at which the current density is 3 mA/cm(2). The current-voltage-electroluminescence (I-V-EL) characteristics are systematically studied in the ITO/AVB/Al device. The diode shows a power-law I-V dependence and a space-charge-limited current with traps (SCLC). (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：245 / 249
页数：5
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