Prediction and Design of Efficient Exciplex Emitters for High-Efficiency, Thermally Activated Delayed-Fluorescence Organic Light-Emitting Diodes

High‐efficiency, thermally activated delayed‐fluorescence organic light‐emitting diodes based on exciplex emitters are demonstrated. The best device, based on a TAPC:DPTPCz emitter, shows a high external quantum efficiency of 15.4%. Strategies for predicting and designing efficient exciplex emitters...

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Published inAdvanced materials (Weinheim) Vol. 27; no. 14; pp. 2378 - 2383
Main Authors Liu, Xiao-Ke, Chen, Zhan, Zheng, Cai-Jun, Liu, Chuan-Lin, Lee, Chun-Sing, Li, Fan, Ou, Xue-Mei, Zhang, Xiao-Hong
Format Journal Article
LanguageEnglish
Published Germany Blackwell Publishing Ltd 08.04.2015
Subjects
Activated
charge transfer
delayed fluorescence
Devices
Displays
Emitters
exciplex
Illumination
Lighting
Organic light-emitting diodes
Quantum efficiency
Strategy
delayed fluorescence
exciplex
charge transfer
organic light-emitting diodes
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Summary:High‐efficiency, thermally activated delayed‐fluorescence organic light‐emitting diodes based on exciplex emitters are demonstrated. The best device, based on a TAPC:DPTPCz emitter, shows a high external quantum efficiency of 15.4%. Strategies for predicting and designing efficient exciplex emitters are also provided. This approach allow prediction and design of efficient exciplex emitters for achieving high‐efficiency organic light‐emitting diodes, for future use in displays and lighting applications.
Bibliography:Beijing Nova Program - No. Z14110001814067
ark:/67375/WNG-8LZ5HTPJ-R
ArticleID:ADMA201405062
istex:C212CAFA0FF0E166F178127AE6FBCCFBEF95B13F
National Natural Science Foundation of China - No. 51103169; No. 51033007; No. 51373190
Instrument Developing Project of the Chinese Academy of Sciences - No. YE201133
ObjectType-Article-1
SourceType-Scholarly Journals-1
ObjectType-Feature-2
content type line 23
ISSN:0935-9648
1521-4095
1521-4095
DOI:10.1002/adma.201405062