Journal
ORGANIC LETTERS
Volume 12, Issue 15, Pages 3292-3295Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol1007179
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- Institute of Materials Research and Engineering (IMRE)
- Agency for Science, Technology and Research (A*STAR)
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A series of star-shaped organic semiconductors have been synthesized from 1,3,6,8-tetrabromopyrene. The materials are soluble in common organic solvents allowing for solution processing of devices such as light-emitting diodes (OLEDs). One of the materials, 1,3,6,8-tetrakis(4-butoxyphenyl)pyrene, has been used as the active emitting layer In simple solution-processed OLEDs with deep blue emission (CIE = 0.15, 0.18) and maximum efficiencies and brightness levels of 2.56 cd/A and >5000 cd/m(2), respectively.
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