基于10,11,12,13-Tetrahydrodibenzo[a,c]phenazine的两个新型中性环金属化 ((III) 复合物,用于高效的红色电解发光
Yuzhen Yang1, Han Zhao1, Weiqiao Zhou1
1Guangxi Key Laboratory of Optical and Electronic Materials and Devices, College of Materials Science and Engineering, Guilin University of Technology, Guilin 541004, China.
Molecules (Basel, Switzerland)
|June 28, 2023
概括
两种新的 (III) 复合物呈现出明亮的红色光和高效率,使它们适合制造高性能红色有机发光二极管 (OLED). 这些新材料在显示和照明技术方面提供了有前途的进步.
科学领域:
- 材料科学 材料科学 材料科学
- 有机化学 有机化学
- 光物理学的光学物理学
背景情况:
- 开发高效的光发射器对于先进的有机发光二极管 (OLED) 来说至关重要.
- (III) 复合物被广泛研究,因为它们具有强大的自旋轨道合,使得高效的光.
研究的目的:
- 为高效红色OLED设计和合成新的中性光化 (III) 复合物.
- 研究合成复合物的光物理性质和热稳定性.
- 制造和评估使用这些复杂的红色OLED设备的性能.
主要方法:
- 使用10,11,12,13-四二[a,c]作为主要配体,合理设计和合成两种 (III) 复合物 (Ir1和Ir2).
- 在二甲中对光发光谱,发光量子效率和solvatochromism的表征.
- 通过真空蒸发制造红色OLED,并测试设备性能指标 (电流效率,功率效率,外部量子效率).
主要成果:
- 在Ir1和Ir2的合成中获得了高产量.
- 在625nm (Ir1) 和620nm (Ir2) 观察到明亮的红色光,具有高发光量子效率 (0.32为Ir1,0.35为Ir2).
- 证明了高效的红色OLED,其最大电流效率为13.47/15.22 cd/A,功率效率为10.35/12.26 lm/W,外部量子效率为10.08/7.48%,分别为基于Ir1和Ir2的设备.
结论:
- 新型的 (III) 复合物表现出极好的光物理性能和热稳定性.
- 这些复合体是高性能红色OLED的有效发射器.
- 开发的材料代表了光OLED技术领域的重大进步.
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