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Scale-up Chemical Synthesis of Thermally-activated Delayed Fluorescence Emitters Based on the Dibenzothiophene-S,S-Dioxide Core
Published on: October 24, 2017
Prediction and design of efficient exciplex emitters for high-efficiency, thermally activated delayed-fluorescence
Xiao-Ke Liu1, Zhan Chen, Cai-Jun Zheng
1Nano-organic Photoelectronic Laboratory and Key Laboratory of Photochemical Conversion and Optoelectronic Materials, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing, 100190, P.R. China; Center of Super-Diamond and Advanced Films (COSDAF), Department of Physics and Materials Sciences, City University of Hong Kong, Hong Kong SAR, P.R. China.
Abstract:
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.
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