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Polyfluorenes containing pyrazine units: Synthesis, photophysics and electroluminescence

✍ Scribed by Ming Wang; Ying Li; ZhiYuan Xie; LiXiang Wang


Book ID
107349359
Publisher
SP Science China Press
Year
2011
Tongue
English
Weight
847 KB
Volume
54
Category
Article
ISSN
1674-7291

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## Abstract **Summary:** Properties of a series of hyperbranched polyfluorenes were investigated. Increasing the benzene β€œcrosspoint” density blue‐shifts the absorption and PL since the crosspoints interrupt __Ο€__‐electron conjugation, decreasing conjugation length, and thus increasing chromophore