有机电致发光器件双型发射的电光特性

IF 3.9 4区物理与天体物理 0 OPTICS

Ukrainian Journal of Physical Optics Pub Date : 2021-01-01 DOI:10.3116/16091833/22/1/53/2021

I. Helzhynskyy, S. Kutsiy, S. Albota

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引用次数: 0

摘要

。我们研究了一种基于磷光和热激活延迟荧光在单一异质结构中的双型白色有机发光器件(WOLED)的电致发光和阻抗特性。得到了层状器件和复合层状器件的电流-电压特性和阻抗谱数据。这些结果表明，在单一异质结构中结合基于层和基于复合的技术可以提高WOLED异质结构的效率和稳定性。研究了WOLED的发光性能。该装置显示出非常好的电致发光特性和作为白光源的颜色坐标。其最大亮度大于104cd / m2，最大外量子效率大于12%。

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Electro-optic properties of double-type emission of organic electroluminescence device

. We study electroluminescence and impedance properties of a double-type white organic light-emitting device (WOLED) based on phosphorescent and thermally activated delayed fluorescence emissions in a single heterostructure. Current–voltage characteristics of the WOLED and impedance spectroscopy data are obtained for the layered and composite-layer devices. These results demonstrate that a combination of layer-based and composite-based technologies in a single heterostructure improves both the efficiency and the stability of WOLED heterostructures. Light-emission performance of the WOLED is also studied. The device reveals very good electroluminescence properties and colour coordinates as a white light source. Its maximal brightness is larger than 10 4 cd/m 2 and the maximal external quantum efficiency is larger than 12%.

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来源期刊

Ukrainian Journal of Physical Optics OPTICS-

CiteScore

9.90

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： “Ukrainian Journal of Physical Optics” contains original and review articles in the fields of crystal optics, piezo-, electro-, magneto- and acoustooptics, optical properties of solids and liquids in the course of phase transitions, nonlinear optics, holography, singular optics, laser physics, spectroscopy, biooptics, physical principles of operation of optoelectronic devices and systems, which need rapid publication. The journal was founded in 2000 by the Institute of Physical Optics of the Ministry of Education and Science of Ukraine.