期刊论文

Design and synthesis of host materials based on spirofluorene and s-triazine moieties and the applications in organic lightemitting devices

Xue, Q.

中文

科学通报(英文版)

2095-9273

2019

64

11

1149-1158

10.1360/N972019-00023

2016YFB0401002:国家重点研发计划 61575146:国家自然科学基金 51873159:国家自然科学基金

本校为其他机构

设计并合成了4种基于螺二芴和均三嗪类的新型主体材料2-(2′,7′-二叔丁基-9,9′-螺二芴-2-基)-4,6-二苯基-1,3,5-三嗪(DTSF-2-DP-TRZ)、2-(9,9′-螺二芴-2-基)-4,6-双(3,5-二-叔丁基苯基)-1,3,5-三嗪(SF-2-DTDP-TRZ)、2-(9,9′-螺二芴]-4-基)-4,6-双(3,5-二-叔丁基苯基)-1,3,5-三嗪(SF-4-DTDP-TRZ)、2-(9,9′-螺二芴-4-基)-4,6-双(4-(叔丁基)苯基)-1,3,5-三嗪(SF-4-TDP-TRZ),并对其结构和性能进行了表征.利用热重分析、差热分析、紫外可见吸收、荧光、低温磷光、循环伏安法对其物理和化学性质进行了研究,结果表明4种主体材料的热稳定性能优异,紫外-可见光吸收峰位于280~355 nm之间;光学带隙(E_...

Organic light-emitting devices (OLEDs) attract intensive attentions from both fundamental and applied researchers due to their unique properties of flexibility, light-weight, color-tunability, high electroluminescent efficiency, and ease of device fabrication. The design of the emitting layer (EML) of OLEDs plays a dominant role in ruling the electroluminescent performances. Typically, the EML is composed of a host and an organic emitter. As the emerging emitters for OLEDs, thermally activated delayed fluorescence (TADF) materials are capable o...