超高功率的有机发光二极管基于热刺激辅助外接式 (HEAE) 系统
Jingli Lou1, Junwei He1, Baoxi Li1
1State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, AIE Institute, South China University of Technology (SCUT), Guangzhou 510640, China. cheungham@ust.hk.
Materials horizons
|March 11, 2026
概括
本研究介绍了一种新的热刺激辅助外接式策略,用于提高有机发光二极管 (OLED) 的功率效率 (PE). 这种方法显著提高了外部量子效率 (EQE),并实现了突破性的PE,为低功耗OLED铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 有机电子 有机电子
- 光物理学的光学物理学
背景情况:
- 对于有机发光二极管 (OLED) 来说,功率效率 (PE) 是至关重要的,直接影响其光电转换效率.
- 由于低的注入障碍,exciplexes为高PE OLEDs提供了潜力,但它们的效率限制阻碍了开发.
研究的目的:
- 开发一种新的策略,以提高OLED中的exciplex系统的效率.
- 调查使用热刺激材料来提高exciplex性能并实现高功率效率.
主要方法:
- 引入使用热刺激物质作为捐赠体的热刺激辅助外接力 (HEAE) 策略.
- 将HEAE系统集成到OLED制造中.
- 使用新型的exciplex作为对具有多个共振发射器的敏感光OLED主机.
主要成果:
- 基于HEAE的OLED实现了19.0%的外部量子效率 (EQE),是传统基于exciplex的OLED的两倍.
- 使用新型外接式主机的敏感光OLED达到了高达40.5%的EQE.
- 取得了超过230 lm W-1的突破性功率效率.
结论:
- 热刺激材料有效地提高了exciplex系统的效率.
- 该HEAE战略为设计高性能,低功耗的OLED提供了宝贵的见解.
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