基于从热激活延迟激子到荧光掺杂剂的能量转移实现高功率效率和低滚降的有机发光二极管。
Achieving high power efficiency and low roll-off OLEDs based on energy transfer from thermally activated delayed excitons to fluorescent dopants.
作者信息
Wang Shipan, Zhang Yuewei, Chen Weiping, Wei Jinbei, Liu Yu, Wang Yue
机构信息
State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, P. R. China.
出版信息
Chem Commun (Camb). 2015 Aug 4;51(60):11972-5. doi: 10.1039/c5cc04469c.
Achieving high power efficiencies at high-brightness levels is still an important issue for organic light-emitting diodes (OLEDs) based on the thermally activated delayed fluorescence (TADF) mechanism. Herein, enhanced electroluminescence efficiencies were achieved in fluorescent OLEDs using a TADF molecule, (4s,6s)-2,4,5,6-tetra(9H-carbazol-9-yl)isophthalonitrile (4CzIPN), as a host and quinacridone derivatives (QA) as fluorescent dopants.
对于基于热激活延迟荧光（TADF）机制的有机发光二极管（OLED）而言，在高亮度水平下实现高功率效率仍然是一个重要问题。在此，通过使用TADF分子（4s,6s）-2,4,5,6-四（9H-咔唑-9-基）间苯二甲腈（4CzIPN）作为主体以及喹吖啶酮衍生物（QA）作为荧光掺杂剂，在荧光OLED中实现了增强的电致发光效率。
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