Effect of molecular weight on photoluminescence and electroluminescence properties of thermally activated delayed fluorescence conjugated polymers

Tao Wang,Kuofei Li,Bing Yao,Yuannan Chen,Hongmei Zhan,Guohua Xie,Zhiyuan Xie,Yanxiang Cheng

Chemical Engineering Journal（2023）

引用 8|浏览19

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摘要

•Effect of the polymer Mn on the TADF property was explored for the first time.•More compacted stacking and better energy transfer is observed in low Mn polymers.•Low Mn polymer achieves a record-high maximum EQE of 21.2 % at 628 nm.

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关键词

Thermally activated delayed fluorescence,Conjugated polymer,Molecular weight,Film morphology,Organic light-emitting diode

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