Low-potential electrochemical polymerization of fluorene and its alkyl-polymer precursor

High quality polymer films can be easily produced by low-potential anodic oxidation of fluorene and its alkyl-polymer precursor through 9,9 position (9,9-dibromohexylfluorene, 9-(6-bromohexyl)fluorene, poly(fluorene-9,9-diyl-alt-alkan-1,6-diyl); Scheme 1) in boron trifluoride diethyl etherate (BFEE)...

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Bibliographic Details
Published in:Electrochimica acta 2006-06, Vol.51 (22), p.4771-4779
Main Authors: Xu, Jingkun, Wei, Zhenhong, Du, Yukou, Zhou, Weiqiang, Pu, Shouzhi
Format: Article
Language:English
Subjects:
Applied sciences
Boron trifluoride diethyl etherate
Electrochemical polymerization
Exact sciences and technology
Fluorescence properties
Organic polymers
Physicochemistry of polymers
Polyfluorenes
Polymerization
Preparation, kinetics, thermodynamics, mechanism and catalysts
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Summary:High quality polymer films can be easily produced by low-potential anodic oxidation of fluorene and its alkyl-polymer precursor through 9,9 position (9,9-dibromohexylfluorene, 9-(6-bromohexyl)fluorene, poly(fluorene-9,9-diyl-alt-alkan-1,6-diyl); Scheme 1) in boron trifluoride diethyl etherate (BFEE) or mixed electrolytes of BFEE + CHCl 3. As-formed polymer films showed good redox behavior and were characterized by UV–vis, infrared, fluorescence spectroscopy and thermal analysis. Fluorescence spectral studies both in solution and in solid-state revealed that as-formed polymer films were good blue-green light emitters with strong emissions at about 420 and 560 nm. The substitutions of alkyl group and alkyl-polymer fluorene precursors were helpful for the red shift of emission wavelength of as-formed polyfluorenes.
ISSN:0013-4686
1873-3859
DOI:10.1016/j.electacta.2006.01.017