Spiro Compounds for Organic Light-Emitting Diodes
作者机构：Institute of Functional Nano&Soft Materials(FUNSOM)Jiangsu Key Laboratory for Carbon-Based Functional Materials&DevicesJoint International Research Laboratory of Carbon-Based Functional Materials and DevicesSoochow UniversitySuzhou 215123 JiangsuPR China
出 版 物：《Accounts of Materials Research》 (材料研究述评（英文）)
年 卷 期：2021年第2卷第12期
页 面：1261-1271页
学科分类：081704[工学-应用化学] 07[理学] 08[工学] 0817[工学-化学工程与技术] 070303[理学-有机化学] 0703[理学-化学]
基 金：The authors acknowledge financial support from the National Natural Science Foundation of China(grant Nos.51773141,51873139,61961160731,62175171,and 22175124) This project is also funded by the Suzhou Science and Technology Plan Project(SYG202010) Collaborative Innovation Centre of Suzhou Nano Science&Technology(Nano-CIC),and the“111”Project
主 题：structure aromatic attracting
摘 要：CONSPECTUS:The development of cutting-edge optoelectronic devices is rapidly changing science and *** organic light-emitting diodes(OLEDs),as one of the most applicable techniques of organic electronics,are experiencing the process of materials’*** all the organic units to construct OLED materials,the spiro structure and its derived compounds have been widely studied due to the good thermal stability and unique orthogonally rigid *** had shown great potential in first generation fluorescent OLEDs(FOLEDs)and second generation phosphorescent OLEDs(PhOLEDs).Recently,it has achieved outstanding performance in third generation thermally activated delayed fluorescence(TADF)OLEDs,which is attributed to its orthogonal structure caused by the spiro atom;thus the spiro compound can innately separate the hole and electron which is beneficial for minimizing the singlet−triplet splitting energy(ΔE_(ST)).The most classic aromatic spiro unit is 9,9′-spriobifluorene(SBF),which was first reported in *** study of aromatic spiro compounds is closely related to the development of organic semiconductors;now,the structure−property relationship of spiro compounds is getting clearer and attracting wide attention from the material community.
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