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Optically pumped lasing of an electrically active hybrid OLED-microcavity
Applied Physics Letters ( IF 3.5 ) Pub Date : 2018-03-12 , DOI: 10.1063/1.5016244
S. Meister 1 , R. Brückner 1 , M. Sudzius 1 , H. Fröb 1 , K. Leo 1
Affiliation  

Highly conductive electrodes are a prerequisite for electrically pumped organic lasers. We investigate the influence of very thin metal contacts in an electrically active organic microcavity. We test different deposition techniques and seed layers to decrease the thickness of the metal layers and reduce possibly harmful absorption. For such very thin contacts, the spectral position of the modes is modeled by simulated modes using the transfer-matrix-algorithm. The input-output characteristics of the device without, with bottom, with top, and with both metal layer(s) are recorded. These measurements allow us to understand and improve the impact on the functionality. With these results and the help of a theoretical approximation, we determine the minimal current density needed to reach the lasing threshold for electrical pumping in this sample structure.

中文翻译:

电活性混合OLED微腔的光泵浦激光

高导电性电极是电泵浦有机激光器的先决条件。我们研究了电活性有机微腔中非常薄的金属触点的影响。我们测试不同的沉积技术和种子层,以减少金属层的厚度并减少可能有害的吸收。对于这种非常薄的接触,模式的光谱位置通过使用传递矩阵算法的模拟模式进行建模。记录没有、有底部、有顶部和两个金属层的器件的输入-输出特性。这些测量使我们能够了解和改进对功能的影响。有了这些结果和理论近似的帮助,
更新日期:2018-03-12
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