Photophysical and Electroluminescent Pro
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Liming Ding; Zhishan Bo; Qinghui Chu; Jing Li; Liming Dai; Yi Pang; Frank E. Kar
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Article
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2006
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John Wiley and Sons
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English
β 507 KB
## Abstract **Summary:** Properties of a series of hyperbranched polyfluorenes were investigated. Increasing the benzene βcrosspointβ density blueβshifts the absorption and PL since the crosspoints interrupt __Ο__βelectron conjugation, decreasing conjugation length, and thus increasing chromophore