基于螺衍生物的新型磷光主体材料的合成与表征  

Synthesis and Characterization of Novel Phosphorescent Host Materials Based on Spiro Derivatives

作　　者：邓书洋 申奥 马欣 陈鹏丽[1] 李瑞 韩蒙蒙 杨振强[1] DENG Shuyang;SHEN Ao;MA Xin;CHEN Pengli;LI Rui;HAN Mengmeng;YANG Zhenqiang(Henan Academy of Sciences Institute of Chemistry Co.,Ltd.,Zhengzhou 450002,China;School of Materials Science and Engineering,Henan Normal University,Xinxiang 453007,China)

机构地区：[1]河南省科学院化学研究所有限公司,河南郑州450002 [2]河南师范大学材料科学与工程学院,河南新乡453007

出　　处：《合成化学》2025年第1期1-7,共7页Chinese Journal of Synthetic Chemistry

基　　金：河南省科技研发计划联合基金资助项目(225200810094,225200810072);河南省科技攻关计划项目(242102230169);河南省科学院创新平台建设项目(241003031);河南省科学院特聘研究员项目(230503006);高水平成果奖励与培育项目(242203032)。

摘　　要：磷光主体材料对获取高性能器件起着关键性作用。相比于传统主体材料,双极性主体材料不仅可以同时传输空穴和电子,还有利于提高激子复合率,从而提高器件效率。本文通过Suzuki偶联反应高效合成了一种具有空穴传输螺核和电子传输三嗪分子的双极性主体材料2-(4-(10,10-二甲基-10H-螺[蒽-9,9'-芴]-4'-基)苯基)-4,6-二苯基-1,3,5-三嗪(SFA4-Trz),其由1个富电子的三嗪单元与1个缺电子的螺[蒽-芴]单元连接而成。这种新型主体材料具有优异的物理性质,如有较高的玻璃化转变温度(高达260℃)、较高的分解温度(405℃)、较高的三线态能级(>2.80 eV)、适当的HOMO-LUMO能级和良好的双极性电荷传输,因此可作为有机发光二极管的主体材料。Phosphorescent host materials play a key role in obtaining high performance devices.Compared with the traditional host material,the bipolar host material can not only transport holes and electrons at the same time,but also helps to increase the exciton complex rate and thus improve the device efficiency.The article describes the design and synthesis of a bipolar host material with a holetransporting spiro-core and an electron-transporting triazine moiety.It was synthesized efficiently by Suzuki coupling reaction and constructed on the association of an electron-rich triazine unit,which is connected by a spiro carbon atom to an electron-deficient spiro[anthracene-fluorene],namely 2-(4-(10,10-dimethyl-10H-spiro[anthracene-9,9'-fluoren]-4'-yl)phenyl)-4,6-diphenyl-1,3,5-triazine(SFA4-Trz).This novel host material exhibited excellent physical properties,including a high glass transition temperature(up to 260℃),a high decomposition temperature(405℃),high triplet energy(>2.80 eV),appropriate HOMO-LUMO energy levels and good bipolar charge transport.Consequently,it can serve as a host in organic light-emitting diodes.

关 键 词：有机发光二极管 主体材料 双极传输 三嗪 螺芴 

分 类 号：O62[理学—有机化学]