Long-Lived and Highly Efficient TADF-PhOLED with “(A)n–D–(A)n” Structured Terpyridine Electron-Transporting Material

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成果类型：

期刊论文

作者：

Bian, Mengying;Zhang, Dongdong;Wang, Yuanxun;Chung, Yao-Hsien;Liu, Yang;...

通讯作者：

Xiao, Lixin;Liu, Zhiwei

作者机构：

[Chung, Yao-Hsien; Bian, Mengying; Ting, Hungkit; Xiao, Lixin; Chen, Zhijian] Peking Univ, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China.

[Chung, Yao-Hsien; Bian, Mengying; Ting, Hungkit; Xiao, Lixin; Chen, Zhijian] Peking Univ, Dept Phys, Beijing 100871, Peoples R China.

[Zhang, Dongdong; Duan, Lian] Tsinghua Univ, Minist Educ, Dept Chem, Key Lab Organ Optoelect & Mol Engn, Beijing 100084, Peoples R China.

[Wang, Yuanxun] Valiant Corp, Yantai 264006, Shandong, Peoples R China.

[Liu, Zhiwei; Liu, Yang; Bian, Zuqiang] Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China.

通讯机构：

[Xiao, Lixin; Liu, Zhiwei] P

[Xiao, Lixin] H

Peking Univ, State Key Lab Mesoscop Phys, Beijing 100871, Peoples R China.

Peking Univ, Dept Phys, Beijing 100871, Peoples R China.

Peking Univ, Coll Chem & Mol Engn, State Key Lab Rare Earth Mat Chem & Applicat, Beijing Natl Lab Mol Sci, Beijing 100871, Peoples R China.

语种：

英文

关键词：

electron-transporting;long lifetime;organic light-emitting diodes;phosphorescence;terpyridine;thermally activated delayed fluorescence

期刊：

Advanced Functional Materials

ISSN：

1616-301X

年：

2018

卷：

期：

页码：

1800429-

DOI：

10.1002/adfm.201800429

基金类别：

This study was financially supported in part by the National Key R&D Program of China (No. 2016YFB0401000) and by NSFC (Grant Nos. 61575005, 61775004, 11574009, and U1605244).

机构署名：

本校为通讯机构

院系归属：

物理与电子工程学院

摘要：

The electron-transporting material (ETM) is one of the key factors to determine the efficiency and stability of organic light-emitting diodes (OLEDs). A novel ETM with a “(Acceptor)n–Donor–(Acceptor)n”(“(A)n–D–(A)n”) structure, 2,7-di([2,2′:6′,2″-terpyridin]-4′-yl)-9,9′-spirobifluorene (27-TPSF), is synthesized by combining electron-withdrawing terpyridine (TPY) moieties and rigid twisted spirobifluorene, in which the TPY moieties facilitate electron transport and injection while the spirobifluorene moiety ensures hi...

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Long-Lived and Highly Efficient TADF-PhOLED with “(A)n–D–(A)n” Structured Terpyridine Electron-Transporting Material

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