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清华大学付红岩、深圳大学杨楚罗等联合AM:双激基复合物白光 OLED 实现自然品质照明与光数据传输

  • 2026-06-14 01:03:38
清华大学付红岩、深圳大学杨楚罗等联合AM:双激基复合物白光 OLED 实现自然品质照明与光数据传输

第一作者Wei HeHaoyu Huang(共同第一作者)

通讯作者:付红岩、康飞宇、杨楚罗、韦国丹

单位:清华大学深圳国际研究生院材料研究院;清华大学深圳国际研究生院;美国伊利诺伊大学厄巴纳 - 香槟分校格拉 inger 工程学院;上海大学碳中和创新研究院、催化化学国际联合实验室、理学院;深圳大学材料科学与工程学院、深圳市高分子科学与技术重点实验室

摘要

高质量有机固态照明与高速光无线通信的融合,为下一代光电子器件提供了创新路径。本研究报道了一种结构简化的白色有机发光二极管(WOLED),通过独特的双激基复合物结构,实现了自然光品质照明与可见光通信(VLC)的无缝集成。该设计的核心是多功能有机层 PPCzTrz,其在两个不同界面分别充当电子给体和受体,构建互补的电荷传输路径,并实现电压控制的激子复合区动态偏移。这种空间重分布平衡了蓝色和绿色激基复合物发射,同时福斯特共振能量转移(FRET)将能量依次传递至精准定位的绿色、橙色和红色磷光超薄层。多路径激子管理策略确保了400-700 nm 光谱稳定的白光发射,创下 97 的高显色指数(CRI),峰值外量子效率达 27.0%,功率效率为 85.8 lm W¹。该器件同时支持 14.0 Mbps 的高速 VLC 数据传输,为高质量照明与光数据传输需求提供了可扩展、高能效的平台,为智能照明系统和全有机集成光电子学铺平了道路。

文章亮点:

1.双激基复合物创新设计,简化器件结构:提出单 PPCzTrz 层构建双激基复合物的策略,该层与 TCTAB4PymPm 分别形成两个界面激子复合区,实现电压调控的复合区动态偏移,无需复杂多组分发光混合物,简化了器件制备流程,提升了可重复性

2.光性能全面突破,照明品质优异:通过激子复合区调控与超薄磷光层(PUEMLs)的能量转移协同,实现 97 的超高显色指数,覆盖全可见光波段;峰值外量子效率 27.0%、功率效率 85.8 lm W¹,亮度最高达 16950 cd m²,综合性能优于多数现有 WOLED,满足自然品质照明需求。

3.照明 - 通信一体化,功能多元:同一器件兼具高性能照明与高速 VLC 功能,采用硅光电倍增管(SiPM)接收时数据速率达 14.0 Mbps,误码率(BER)低于 7% 开销硬判决前向纠错(HD-FEC)阈值;替换为有机光电探测器(OPD)后仍实现 600 kbps 稳定传输,验证了全有机光通信系统的可行性。

4.激子动力学优化,稳定性优异:通过扩散 - 湮灭耦合发射模型(DACEM)揭示激子传输与复合机制,双激基复合物结构分散激子密度,抑制三重态 - 三重态湮灭(TTA),降低效率滚降;器件光谱在宽亮度范围内保持稳定,仅在极高亮度下出现轻微蓝移,满足实际应用中的性能一致性需求。

文章信息

W. He, H. Huang, J. Miao, C. Yu, H. Fu, F. Kang, C. Yang, G. Wei, K.-N. Tong, K. Shi, Z. Ye, C. Wu, H. Huang, Dual-Exciplex White OLEDs for Natural-Quality Lighting and Optical Data Transmission, Adv. Mater., 2025,

原文链接:https://doi.org/10.1002/adma.202519228.

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  1. CONNECT:[ UseTime:0.000595s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000880s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000320s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000291s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000501s ]
  6. SELECT * FROM `set` [ RunTime:0.000200s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000522s ]
  8. SELECT * FROM `article` WHERE `id` = 495779 LIMIT 1 [ RunTime:0.000406s ]
  9. UPDATE `article` SET `lasttime` = 1781936477 WHERE `id` = 495779 [ RunTime:0.002253s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 64 LIMIT 1 [ RunTime:0.000247s ]
  11. SELECT * FROM `article` WHERE `id` < 495779 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000408s ]
  12. SELECT * FROM `article` WHERE `id` > 495779 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000364s ]
  13. SELECT * FROM `article` WHERE `id` < 495779 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.001018s ]
  14. SELECT * FROM `article` WHERE `id` < 495779 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.002187s ]
  15. SELECT * FROM `article` WHERE `id` < 495779 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.009994s ]
0.114686s