Synthesis and Electroluminescent Properties of Fluorene- And Anthracene-Derivatives Containing Novel Tetraphenylbenzene Moiety

2,7-Bis[(2,3,4,5-tetraphenyl)phenyl]-9,9-diethylfluorene(BTPDF)and 2,7-Bis[(2,3,4,5-tetraphenyl)phenyl]-9,10-anthracene(BTPA), which consist of a diethylfluorene and an anthracene with two tetraphenylbenzene moieties, were synthesized by Diels-Alder reaction and characterized to investigate electrol...

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Bibliographic Details
Published in:Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003) Pa. : 2003), 2004-01, Vol.424 (1), p.167-172
Main Authors: Kay, Kwang-Yol, Kim, Jung, Cho, Hyun, Park, Jong-Wook
Format: Article
Language:English
Subjects:
anthracene
electroluminescence
fluorene
highly phenyl substituted molecules
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Summary:2,7-Bis[(2,3,4,5-tetraphenyl)phenyl]-9,9-diethylfluorene(BTPDF)and 2,7-Bis[(2,3,4,5-tetraphenyl)phenyl]-9,10-anthracene(BTPA), which consist of a diethylfluorene and an anthracene with two tetraphenylbenzene moieties, were synthesized by Diels-Alder reaction and characterized to investigate electroluminescent(EL)behavior.BTPDF and BTPA showed violet and blue PL spectra at 400 nm and 456 nm. The device of m-MTDATA(600 Å)/NPB(150 Å)/BTPDF or BTPA(300 Å)/Alq 3 (300 Å)/LiF(10 Å)/Al(2000 Å)showed turn-on voltage of 9 V and 13 V and blue and green EL spectrum at 466 nm and 504 nm, respectively.
ISSN:1542-1406
1563-5287
DOI:10.1080/15421400490506126