Numerical Study of the Low-field Temperature Characteristics of the Current Conduction in Single Layer Organic Light-emitting Devices with Non-ohmic Charge Injection

LU Fei-ping; PENG Ying-quan; XING Hong-wei

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Numerical Study of the Low-field Temperature Characteristics of the Current Conduction in Single Layer Organic Light-emitting Devices with Non-ohmic Charge Injection

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- Numerical Study of the Low-field Temperature Characteristics of the Current Conduction in Single Layer Organic Light-emitting Devices with Non-ohmic Charge Injection
- Chinese Journal of Luminescence Vol. 27, Issue 5, Pages: 705-710(2006)
- 作者机构：
  
  兰州大学, 物理科学与技术学院, 甘肃, 兰州, 730000
- 作者简介：
  
  [ "" ]
- 基金信息：
- DOI：
  CLC： TN383.1;TN873.3
- Received：25 August 2005，
  
  Revised：16 January 2006，
  
  Published：20 September 2006
- 稿件说明：
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路飞平, 彭应全, 邢宏伟. 非欧姆注入单层有机发光器件低场下电流传导温度特性的数值研究[J]. 发光学报, 2006,27(5): 705-710

LU Fei-ping, PENG Ying-quan, XING Hong-wei. Numerical Study of the Low-field Temperature Characteristics of the Current Conduction in Single Layer Organic Light-emitting Devices with Non-ohmic Charge Injection[J]. Chinese Journal of Luminescence, 2006,27(5): 705-710
路飞平, 彭应全, 邢宏伟. 非欧姆注入单层有机发光器件低场下电流传导温度特性的数值研究[J]. 发光学报, 2006,27(5): 705-710 DOI：

LU Fei-ping, PENG Ying-quan, XING Hong-wei. Numerical Study of the Low-field Temperature Characteristics of the Current Conduction in Single Layer Organic Light-emitting Devices with Non-ohmic Charge Injection[J]. Chinese Journal of Luminescence, 2006,27(5): 705-710 DOI：

摘要

温度是影响有机发光器件特性的一个重要因素

考虑了电流的注入限制和体限制之后

运用数值方法

研究了在低电场下温度对单层有机发光器件的

J-V

特性以及电场和载流子在有机层中的分布的影响。结果表明

在一定电压下

温度升高时

器件电流增大

有机层中载流子及其梯度分布增大

电场强度分布梯度也增大。并且当温度逐渐升高时

器件的电流传导将趋向于体限制

而当温度逐渐降低时

器件电流传导将趋向于注入限制

此时有机层内各处电场强度趋于均匀。并且结果表明

数值结果与实验结果符合得比较好。

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