期刊
APPLIED PHYSICS LETTERS
卷 93, 期 16, 页码 -出版社
AIP Publishing
DOI: 10.1063/1.3006059
关键词
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资金
- U. S. Defense Advanced Research Projects Agency (DARPA)
- U. S. Army Aviation and Missile Research, Development, and Engineering Center (AMRDEC) [W31P4Q-08-1-0003]
- Office of Naval Research [N00014-05-1-0373]
We report strong and efficient near infrared emission from organic light-emitting devices (OLEDs) based on two donor-acceptor-donor oligomers. These oligomers have fluorescent quantum yields of up to 20% and their energy gap can be tuned by changing the strengths of the donor and acceptor components. Electroluminescence with peak emission wavelengths of 692 and 815 nm were observed from the two oligomers studied here. External quantum efficiencies up to 1.6% and electrical-to-optical power efficiencies up to 7.0 mW/W were achieved in OLEDs based on these near-infrared emitters. (C) 2008 American Institute of Physics. [DOI: 10.1063/1.3006059].
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