Three Color Emission from Organic Light Emitting Diode in Ultra-short Metal Microcavity

MA Feng-ying; JIN Chang-qing; LIU Yun; CHU Guo-qiang; LIU Xing-yuan; WANG Li-jun

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Three Color Emission from Organic Light Emitting Diode in Ultra-short Metal Microcavity

更新时间：2020-08-11

- Three Color Emission from Organic Light Emitting Diode in Ultra-short Metal Microcavity
- Chinese Journal of Luminescence Vol. 24, Issue 2, Pages: 144-146(2003)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所, 激发态物理重点实验室, 吉林, 长春, 130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： O482.31
- Received：23 July 2002，
  
  Revised：20 November 2002，
  
  Published：20 March 2003
- 稿件说明：
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马凤英, 金长清, 刘云, 初国强, 刘星元, 王立军. 超短金属微腔中有机电致发光的三色发射[J]. 发光学报, 2003,24(2): 144-146

MA Feng-ying, JIN Chang-qing, LIU Yun, CHU Guo-qiang, LIU Xing-yuan, WANG Li-jun. Three Color Emission from Organic Light Emitting Diode in Ultra-short Metal Microcavity[J]. Chinese Journal of Luminescence, 2003,24(2): 144-146
马凤英, 金长清, 刘云, 初国强, 刘星元, 王立军. 超短金属微腔中有机电致发光的三色发射[J]. 发光学报, 2003,24(2): 144-146 DOI：

MA Feng-ying, JIN Chang-qing, LIU Yun, CHU Guo-qiang, LIU Xing-yuan, WANG Li-jun. Three Color Emission from Organic Light Emitting Diode in Ultra-short Metal Microcavity[J]. Chinese Journal of Luminescence, 2003,24(2): 144-146 DOI：

摘要

以典型的有机发光材料Alq

为发光层制作了结构为Glass/Ag/PVK/Alq

/Al的微腔器件。与普通的电致发光器件相比较

研究了腔内模式密度的变化、峰值强度的增强、以及光谱的窄化和峰值波长随探测角度变化而变化等一系列的腔量子电动力学效应。得到了色度较为纯正的三色发光

与无腔器件相比峰值强度增强2～2.5倍

光谱半高宽降低

只有无腔的1/3左右。

Abstract

The microcavity organic light emitting diode with glass/Ag/PVK/Alq

/Al struct ure wa s fabricated using a typical emitting material

tris(8-quinolinolato)aluminu m

which is different from the conventional microcavity structure of Glass/DBR/ITO/Organic layers/Al. Because there is penetrate depth of about 1～1.5 λ (resonant wavelength) in DBR

it is difficult to realize single mode emitting. In our stru cture we used a thin metal layer to replace DBR/ITO acting as reflector and anode. The metal layer has very small penetrate depth and be easy to realize single mode emitting. The variation of mode density in microcavity as well as spectral narrowing and intensity enhancement were realized. The pure three color emission is observed and the intensity enhancement at resonance wavelength are increased by factor of 2～2.5. And the spectral halfwidths are narrowed by a factor of 1/3 compared to that of non-cavity OLED(100nm).

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Related Institution

Changchun Institute of Physics, Chinese Academy of Sciences

Hubei Provincial Key Laboratory of Ferro-Voltage Electrical Materials and Devices， School of；Microelectronics， Hubei University

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Institute of Industrial Technology at Qianjiang， Hubei University

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