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Issue 29, 2018
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A high fluorescence rate is key for stable blue organic light-emitting diodes

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Abstract

Singlet–singlet exciton annihilation (SSA) is found to be a critical factor for the decomposition of blue thermally activated delayed fluorescence (TADF) emitters in organic light-emitting diodes (OLEDs). Since radiative decay is a competitive process against bimolecular SSA, increasing the fluorescence rate (kF) of the blue TADF emitters can significantly prolong the device's operational lifetime by reducing the singlet exciton concentration at a given luminance level.

Graphical abstract: A high fluorescence rate is key for stable blue organic light-emitting diodes

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Supplementary files

Article information


Submitted
29 Mar 2018
Accepted
17 May 2018
First published
18 May 2018

J. Mater. Chem. C, 2018,6, 7728-7733
Article type
Communication

A high fluorescence rate is key for stable blue organic light-emitting diodes

Z. Liu, F. Cao, T. Tsuboi, Y. Yue, C. Deng, X. Ni, W. Sun and Q. Zhang, J. Mater. Chem. C, 2018, 6, 7728
DOI: 10.1039/C8TC01471J

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