Performance of Resonant Cavity Mirrors of Microcavity Organic Light-emitting Device

ZHANG Chun-yu; LU Jing-bin; GUO Shu-xu; GAO Feng-li; WANG Hong-jie; CAO Jun-sheng

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Performance of Resonant Cavity Mirrors of Microcavity Organic Light-emitting Device

paper | 更新时间：2020-08-12

- Performance of Resonant Cavity Mirrors of Microcavity Organic Light-emitting Device
- Chinese Journal of Luminescence Vol. 31, Issue 4, Pages: 493-497(2010)
- 作者机构：
  
  1. 吉林大学长春,130023
  2. 吉林建筑工程学院材料科学与工程学院,吉林长春,130021
  3. 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 130033
- 作者简介：
- 基金信息：
- DOI：
  CLC： TN383.1
- Received：25 December 2009，
  
  Revised：2010-3-24，
  
  Published Online：27 August 2010，
  
  Published：27 August 2010
- 稿件说明：
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张春玉, 陆景彬, 郭树旭, 郜峰利, 王洪杰, 曹军胜. 微腔有机电致发光器件的谐振腔反射镜性能[J]. 发光学报, 2010,31(4): 493-497

ZHANG Chun-yu, LU Jing-bin, GUO Shu-xu, GAO Feng-li, WANG Hong-jie, CAO Jun-sheng. Performance of Resonant Cavity Mirrors of Microcavity Organic Light-emitting Device[J]. 发光学报, 2010,31(4): 493-497
张春玉, 陆景彬, 郭树旭, 郜峰利, 王洪杰, 曹军胜. 微腔有机电致发光器件的谐振腔反射镜性能[J]. 发光学报, 2010,31(4): 493-497 DOI：

ZHANG Chun-yu, LU Jing-bin, GUO Shu-xu, GAO Feng-li, WANG Hong-jie, CAO Jun-sheng. Performance of Resonant Cavity Mirrors of Microcavity Organic Light-emitting Device[J]. 发光学报, 2010,31(4): 493-497 DOI：

摘要

根据微腔原理运用传输矩阵法对构成微腔有机电致发光器件(MOLED)谐振腔的两个反射镜进行模拟计算并比较

可观察到:随金属反射镜的反射率增大

微腔器件的电致发光(PL)谱的半峰全宽(FWHM)逐渐窄化;峰值逐渐蓝移至设计的谐振峰值520 nm处;峰值强度和光谱积分强度逐渐增强。结果表明:金属反射镜反射率越大越好。随DBR反射镜的周期数从1增加到9

EL的峰值均为 520 nm

半峰全宽逐渐窄化

积分强度逐渐减弱;峰值强度由弱增强再减弱

4个周期时峰值强度最大

所以设计微腔器件时

DBR的周期是一项很重要的参数。DBR反射率太大不利于出光

太小微腔效应小。需要根据制作目的和需要进行合理选择。

Abstract

According to the related calculation formula of microcavity device

we use transfer matrix method to simulate and compare with two mirrors which form the resonant cavity of microcavity organic light-emitting device (MOLED). We observed that

as metal mirror's reflectivity increases

electroluminescence (EL) and full wavelength of half maximum (FWHM) of microcavity device become narrow

peak position moves to the designed resonant peak of 520 nm

peak intensity and EL integral intensity increases gradually. The result shows that the bigger the metal mirror's reflectivity is

the better the result is.As the periodicity of DBR mirror increases in 1~9

peaks of EL are all 520 nm

FWHM narrows gradually

integral intensity decreases gradually

peak intensity increases at first then it decreases

and at 4 periodicities it is the biggest. So

when we design MOLED

the periodicity of DBR is an important parameter. It isn't good for light emitting if the reflectivity of DBR is bigger and the effect of microcavity is smaller if the reflectivity is smaller. We must make a resonable choice according to the purpose and need.

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