基于空气稳定金属配位活化的n型掺杂技术及其进展  

In situ coordination-activated n-doping by air-stable metals and its progress

作　　者：李骁 张东东 段炼[1] Xiao Li;Dongdong Zhang;Lian Duan(Department of Chemistry,Tsinghua University,Beijing 100084,China)

机构地区：[1]清华大学化学系,北京100084

出　　处：《中国科学：化学》2022年第11期2064-2079,共16页SCIENTIA SINICA Chimica

基　　金：国家自然科学基金(编号:51903137,61890942)资助项目。

摘　　要：n型掺杂技术是提高电子注入性能、改善载流子平衡的有效方法,被广泛运用于有机电子学领域.近年来,基于空气稳定金属配位活化的n型掺杂(coordination-activated n-doping,CAN)技术受到了广泛关注.相对于传统n型掺杂技术,CAN具有对空气稳定、适用于多种电极、可抑制金属迁移、无副产物、工艺简单等优势,有望解决当前有机发光二极管(OLED)显示依赖易燃活泼金属实现电子注入的缺点.本文回顾了OLED中的n型掺杂体系研究进展,着重介绍了CAN策略及其机理,并对CAN的最新进展及其在OLED中的应用进行了专题介绍.最后,我们对CAN尚存在的问题及未来的发展方向进行了总结和展望.The n-doping technique is an effective method to improve electron injection and charge carrier balance,and has been widely used in the field of organic electronics.In recent years,in situ coordination-activated n-doping(CAN)strategy has aroused extensive attention.Compared with traditional methods,CAN is superior for its stability to air,suitability for various electrodes,suppression on metal migration,no by-products,and simple process.CAN is expected to solve the problem of relying on flammable and active metals for electron injection in organic light-emitting diodes(OLEDs).This short overview reviews the progress of n-doping strategy in OLEDs,especially the CAN strategy and its mechanism.Then,the latest work and application on CAN is introduced.Finally,we summarize the problems to be solved on CAN and make an outlook on its future development.

关 键 词：有机发光二极管 电子注入层 N型掺杂 空气稳定金属配位活化 抑制金属迁移 稳定性 

分 类 号：O641.4[理学—物理化学] TN383.1[理学—化学]