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Highly Efficient and Spectrally Stable Blue-Light-Emitting Polyfluorenes Containing a Dibenzothiophene- S , S -dioxide Unit

✍ Scribed by Liu, Jie; Zou, Jianhua; Yang, Wei; Wu, Hongbin; Li, Chun; Zhang, Bin; Peng, Junbiao; Cao, Yong


Book ID
120935028
Publisher
American Chemical Society
Year
2008
Tongue
English
Weight
187 KB
Volume
20
Category
Article
ISSN
0897-4756

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## Abstract Novel poly[(fluorene)‐__co__‐(2,8‐dioctyldibenzothiophene‐__S,S__‐dioxide‐3,7‐diyl)]s were synthesized. The octyl group on the 2,8‐dioctyldibenzothiophene‐__S,S__‐dioxide (DOSO) unit improved the solubility of the polymers and broadened the optical band gap from 2.95 to 3.20 eV as the c