journal article·2009-06-19Open access

Fluorene‐Based Oligomers for Highly Efficient and Stable Organic Blue‐Light‐Emitting Diodes

Chang‐Gua Zhen, Zhi‐Kuan Chen, Qin‐De Liu, Yan‐Feng Dai, Richard Yee Cheong Shin, Soon‐Yee Chang, John Kieffer

Advanced Materials· Volume 21· Issue 23

Abstract

Highly efficient and stable blue-light-emitting materials consisting of oligofluorenyl blocks and charge transporting segments are synthesized. The external quantum efficiencies of the solution-processed light-emitting diodes were of up to 6.1% and 8.6% for undoped and doped devices, respectively. The exceedingly high efficiency and excellent stability of these devices suggest that these new developed materials are very promising for deep-blue-light OLEDs.
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Research context

OpenAlex topics: Organic Light-Emitting Diodes Research · Organic Electronics and Photovoltaics · Conducting polymers and applications

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