BLUE LIGHT-EMITTING POLY(FLUORENE-CO-BENZENE) CONTAINING AN OXADIAZOLE MOIETY

被引:0
|
作者
王利祥
机构
[1] Changchun 130022
[2] Changchun Institute of Applied Chemistry
[3] China
[4] Chinese Academy of Sciences
[5] State Key Laboratory of Polymer Physics and Chemistry
基金
中国国家自然科学基金;
关键词
Polyfluorenes; Oxadiazole; Intramolecular energy transfer; Photoluminescence quantum efficiency;
D O I
暂无
中图分类号
O631 [高分子物理和高分子物理化学];
学科分类号
摘要
A new kind of polyfluorene containing oxadiazole as the side chain was synthesized. The introduction of oxadiazole moiety as more bulky group prevents the aggregation and reduces the crystallinity of the polymers. Efficient intramolecular energy transfer from oxadiazole moiety to the conjugated backbone has been realized, leading to 70% improvement of photoluminescence quantum efficiency of the designed polymers. Compared with PAF, the PFOXD exhibits significant improvement in electroluminescence properties, with luminous efficiency of 0.8 cd/A and maximum luminance of 1800 cd/m2.
引用
收藏
页码:395 / 398
页数:4
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