控制单线态-三线态能拆分实现深蓝色热激活延迟荧光发射器。
Controlling Singlet-Triplet Energy Splitting for Deep-Blue Thermally Activated Delayed Fluorescence Emitters.
机构信息
Department of Applied Chemistry, Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi, Fukuoka, 819-0395, Japan.
Kyulux Inc., Suite 227, Fukuoka Industry-Academia Symphonicity (FiaS), Bldg.2, 4-1 Kyudai-Shinmachi, Nishi-ku, Fukuoka, 819-0388, Japan.
出版信息
Angew Chem Int Ed Engl. 2017 Feb 1;56(6):1571-1575. doi: 10.1002/anie.201609459. Epub 2016 Dec 30.
The development of efficient metal-free organic emitters with thermally activated delayed fluorescence (TADF) properties for deep-blue emission is still challenging. A new family of deep-blue TADF emitters based on a donor-acceptor architecture has been developed. The electronic interaction between donor and acceptor plays a key role in the TADF mechanism. Deep-blue OLEDs fabricated with these TADF emitters achieved high external quantum efficiencies over 19.2 % with CIE coordinates of (0.148, 0.098).
开发具有热激活延迟荧光（TADF）性质的高效无金属有机发射体用于深蓝发射仍然具有挑战性。已经开发出了一类基于给体-受体结构的新型深蓝 TADF 发射器。给体和受体之间的电子相互作用在 TADF 机制中起着关键作用。使用这些 TADF 发射器制备的深蓝 OLED 实现了超过 19.2%的高光致外量子效率，CIE 坐标为（0.148, 0.098）。
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