Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer

doi:10.1088/1674-1056/28/7/078108

中国物理B ›› 2019, Vol. 28 ›› Issue (7): 78108-078108.doi: 10.1088/1674-1056/28/7/078108

• SPECIAL TOPIC—Recent advances in thermoelectric materials and devices • 上一篇下一篇

Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer

Haoran Zhang(张皓然), Qi Zhang(张琪), Qian Zhang(张茜), Huizhi Sun(孙汇智), Gang Hai(海港), Jing Tong(仝静), Haowen Xu(徐浩文), Ruidong Xia(夏瑞东)

Key Laboratory for Organic Electronics & Information Displays(KLOEID), Jiangsu-Singapore Joint Research Center for Organic/Bio Electronics & Information Displays, Institute of Advanced Materials(IAM), Nanjing University of Posts and Telecommunications, Nanjing 210046, China

收稿日期:2019-04-18 修回日期:2019-05-17 出版日期:2019-07-05 发布日期:2019-07-05
通讯作者: Qi Zhang, Ruidong Xia E-mail:iamqzhang@njupt.edu.cn;iamrdxia@njupt.edu.cn
基金资助:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61874058, 51861145301, and 61376023), the National Key Basic Research Program of China (Grant No. 2015CB932203), China Postdoctoral Science Foundation (Grant No. 2018M642283), the Synergetic Innovation Center for Organic Electronics and Information Displays, China, and the Priority Academic Program Development Fund of Jiangsu Higher Education Institutions (PAPD) in China.

Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer

Haoran Zhang(张皓然), Qi Zhang(张琪), Qian Zhang(张茜), Huizhi Sun(孙汇智), Gang Hai(海港), Jing Tong(仝静), Haowen Xu(徐浩文), Ruidong Xia(夏瑞东)

Key Laboratory for Organic Electronics & Information Displays(KLOEID), Jiangsu-Singapore Joint Research Center for Organic/Bio Electronics & Information Displays, Institute of Advanced Materials(IAM), Nanjing University of Posts and Telecommunications, Nanjing 210046, China

Received:2019-04-18 Revised:2019-05-17 Online:2019-07-05 Published:2019-07-05
Contact: Qi Zhang, Ruidong Xia E-mail:iamqzhang@njupt.edu.cn;iamrdxia@njupt.edu.cn
Supported by:
Project supported by the National Natural Science Foundation of China (Grant Nos. 61874058, 51861145301, and 61376023), the National Key Basic Research Program of China (Grant No. 2015CB932203), China Postdoctoral Science Foundation (Grant No. 2018M642283), the Synergetic Innovation Center for Organic Electronics and Information Displays, China, and the Priority Academic Program Development Fund of Jiangsu Higher Education Institutions (PAPD) in China.

摘要/Abstract

摘要：

Polarized red, green, and blue light emitting diodes (LEDs) are successfully fabricated using polyfluorene and its derivatives, namely, poly (9,9-dioctylfluorene) (PFO), poly (9,9-dioctylfluorene-co-benzothiadiazole) (F8BT), and poly (triphenylamine-co-4,7-di(thiophen-2-yl)benzo[c] [1,2,5]thiadiazole-co-benzo[c]thiadiazole-co-9,9-dioctyl-9H-fluorene) (Red F). Rubbed hole transport layer poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate) (PEDOT:PSS) is employed in the devices as the alignment layer to achieve fully monodomain alignment in all polymer layers. Red F is blended with F8BT to realize the polarized electroluminescence of red light (dichroic ratio~3.3), despite having no liquid crystallinity itself. Comparing PFO/F8BT blend to F8BT, higher efficiency of polarized emission is found due to the energy transfer. All the polarized LEDs exhibit pronounced dichroism and efficient polarized emission compared to the non-alignment regular devices.

关键词: organic semiconductors, light-emitting devices, polymer liquid crystals, display devices

Abstract:

Key words: organic semiconductors, light-emitting devices, polymer liquid crystals, display devices

中图分类号: (Organic semiconductors)

81.05.Fb

85.60.Jb (Light-emitting devices) 61.30.Vx (Polymer liquid crystals) 42.79.Kr (Display devices, liquid-crystal devices)

张皓然, 张琪, 张茜, 孙汇智, 海港, 仝静, 徐浩文, 夏瑞东. Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer[J]. 中国物理B, 2019, 28(7): 78108-078108.

Haoran Zhang(张皓然), Qi Zhang(张琪), Qian Zhang(张茜), Huizhi Sun(孙汇智), Gang Hai(海港), Jing Tong(仝静), Haowen Xu(徐浩文), Ruidong Xia(夏瑞东). Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer[J]. Chin. Phys. B, 2019, 28(7): 78108-078108.

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Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer

Polarized red, green, and blue light emitting diodes fabricated with identical device configuration using rubbed PEDOT:PSS as alignment layer

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