Creation of highly efficient solid emitter by decorating pyrene core with AIE-active tetraphenylethene peripheries

Turning "stone" into "gold": pyrene, a faint fluorophore in the solid state, is transformed into a bright emitter by decorating it with tetraphenylethene units; the new luminogen is thermally and morphologically stable and its light-emitting diode shows excellent performance, wit...

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Bibliographic Details
Published in:Chemical communications (Cambridge, England) England), 2010-01, Vol.46 (13), p.2221-2223
Main Authors: Zhao, Zujin, Chen, Shuming, Lam, Jacky W Y, Lu, Ping, Zhong, Yongchun, Wong, Kam Sing, Kwok, Hoi Sing, Tang, Ben Zhong
Format: Article
Language:English
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Summary:Turning "stone" into "gold": pyrene, a faint fluorophore in the solid state, is transformed into a bright emitter by decorating it with tetraphenylethene units; the new luminogen is thermally and morphologically stable and its light-emitting diode shows excellent performance, with external quantum efficiency and current efficiency up to 4.95% and 12.3 cd A(-1), respectively.
ISSN:1359-7345
1364-548X
DOI:10.1039/b921451h