题目：

A Facile Way to Synthesize High-Triplet-Energy Hosts for Blue Phosphorescent Organic Light-Emitting Diodes with High Glass Transition Temperature and Low Driving Voltage

作者：

Ya-Kun Wang, Ya-Li Deng, Xiang-Yang Liu, Xiao-Dong Yuan, Zuo-Quan Jiang*, Liang-Sheng Liao*.

单位：

Jiangsu Key Laboratory for Carbon-Based Functional Materials & Devices, Institute of Functional Nano & Soft Materials (FUNSOM), and Collaborative Innovation Center of Suzhou Nano Science and Technology, Soochow University, Suzhou, Jiangsu 215123, China

摘要：

Two novel bipolar host materials were designed and synthesized, by incorporating α-carboline and carbazole to spiro-acridine-fluorene skeleton. As expected, both materials exhibited high triplet energy over 2.8 eV, indicating they could act as suitable blue hosts in phosphorescent organic light-emitting diodes. By changing the appending group from carbazole to α-carboline, the thermal property and molecular bipolarity were improved. When they were applied as hosts for sky-blue emitter iridium(III) bis[4,6-difluorophenyl]pyridinato-N, C2’ ] picolinate (FIrpic), good performance of 35.5 cd A^-1, 35.8 lm W^-1 and 29.5 cd A^-1, 24.5 lm W^-1 was achieved for α-carboline derivative and carbazole derivative, respectively.

影响因子：

3.468

分区情况：

2区

链接：

doi:10.1016/j.dyepig.2015.06.005