Electroluminescence and aggregation in fluorene-thiophene-S,S-dioxide: Oligomers and polymers

被引:4
|
作者
Destri, S
Pasini, M
Porzio, W
Giovanella, U
Gigli, G
Pisignano, D
机构
[1] CNR, Ist Studio Macromol, I-20133 Milan, Italy
[2] INFM, Natl Nanotechnol Lab, I-73100 Lecce, Italy
关键词
photoluminescence; oligomers; fluorene; S; S-dioxide group;
D O I
10.1016/S0379-6779(02)00665-3
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We report on the preparation of both 2,5-di(9,9-dimethyl)fluorenyl-3,4-dihexyl-thiophene-S,S-dioxide and the related polymer with longer alkyl substitutions at 9 position. The optical, structural, and morphological characterizations of crystals and films showing noticeable EL properties are presented. Light emitting diodes (LEDs) show for the first time a good external efficiency (10(-1)) for a polymer containing S,S-dioxide groups.
引用
收藏
页码:409 / 410
页数:2
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