(Peer-Reviewed) Tunable surface plasmon-polariton resonance in organic light-emitting devices based on corrugated alloy electrodes
Xue-Mei Wen 闻雪梅 ¹, Yan-Gang Bi 毕宴钢 ¹, Fang-Shun Yi 易方顺 ¹, Xu-Lin Zhang 张旭霖 ¹, Yue-Feng Liu 刘岳峰 ¹, Wen-Quan Wang 王文全 ³, Jing Feng 冯晶 ¹, Hong-Bo Sun 孙洪波 ¹ ²
¹ State Key Lab of Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun 130012, China
中国 吉林 长春 吉林大学 电子科学与工程学院 集成光电子学国家重点实验室
² State Key Lab of Precision Measurement Technology and Instruments, Department of Precision Instrument, Tsinghua University, Beijing 100084, China
中国 北京 清华大学精密仪器系 精密测试技术及仪器国家重点实验室
³ College of Physics, Jilin University, Changchun 130012, China
中国 吉林 长春 吉林大学物理学院
Opto-Electronic Advances, 2021-08-25
Abstract
We report a feasible method to realize tunable surface plasmon-polariton (SPP) resonance in organic light-emitting devices (OLEDs) by employing corrugated Ag-Al alloy electrodes. The excited SPP resonance induced by the periodic corrugations can be precisely tuned based on the composition ratios of the Ag-Al alloy electrodes.
With an appropriate composition ratio of the corrugated alloy electrode, the photons trapped in SPP modes are recovered and extracted effectively. The 25% increasement in luminance and 21% enhancement in current efficiency have been achieved by using the corrugated Ag-Al alloy electrodes in OLEDs.
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