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发光层掺杂对红光OLED性能影响研究 被引量:7

Hole Injection Layer Effect on Red OLED Performance
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摘要 制备高效率、高亮度的红光有机发光二极管是显示器实现全彩色的关键,对高性能的红光有机发光二极管器件研究具有十分重要的意义.本文主要研究了掺杂剂(DCJTB)浓度对红光有机发光二极管性能影响.实验采用真空热蒸镀的方法,选取结构为ITO/2-TNATA(20nm)/NPB(30nm)/AlQ(50nm):(X%)DCJTB/AlQ(30nm)/LiF(0.8nm)/Al(100nm)的红光器件,在高准确度膜厚控制仪的监控下,实现了有机薄膜功能材料的精确蒸镀.研究表明:红光掺杂剂掺杂浓度为(2.5~3.0)%时,在12V电压下,可以得到发光亮度最高达到8 900cd/m2,发光效率大于2.8cd/A,且发光光谱波长为610~618nm较为理想的红光有机发光二极管器件. Preparation of high efficiency, high brightness red organic light emitting diode is the key to realize full color display, and high performance red organic light emitting diode device has a great significance for the study. This paper mainly studies the doping agent (DCJTB) concentration on red organic light emitting diode performance influence. In the experiment, using vacuum thermal evaporation method, the selection of structure for ITO/2-TNATA(20mm)/NPB (30 nm)/A1Q(50 nm) : (X~)DCJTB/A1Q(30 nm)/LiF (0.8 nm)/Al(100 nm) red device, the organic thin film function material precise evaporation is realized, in high accuracy film thickness control instrument monitoring. Research shows that: red dopant doping concentration is 2.5 % 3.0%, the 12 V voltage can be obtained under luminous intensity to a maximum of 8 900 cd/m2, luminous efficiency is more than 2.8 cd/A, and luminous spectral wavelength for 610~618 nm ideal red organic light emitting diode device.
机构地区 西安理工大学
出处 《光子学报》 EI CAS CSCD 北大核心 2013年第1期24-28,共5页 Acta Photonica Sinica
关键词 红光有机发光二极管 空穴注入层 2-TNATA 发光亮度 Red OLED Hole injection layer 2-TNATA Brightness
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参考文献10

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二级参考文献9

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