Multichromic and soluble conjugated polymers containing thiazolothiazole unit for electrochromic applications

[Display omitted] Here we report the preparation of two solution processible polymers; poly(2-(5-(2-(2-octyldodecyl)-2H-benzo[d][1,2,3]triazol-4-yl)thiophen-2-yl)-5-(thiophen-2-yl)thiazolo[5,4-d]thiazole) (PBTTz) and poly(2-(5-(9,9-dioctyl-9H-fluoren-2-yl)thiophen-2-yl)-5-(thiophen-2-yl)thiazolo[5,4...

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Bibliographic Details
Published in:European polymer journal 2015-02, Vol.63, p.255-261
Main Authors: Akpınar, Hava Zekiye, Arslan Udum, Yasemin, Toppare, Levent
Format: Article
Language:English
Subjects:
Benzotriazole
Branched
Chains (polymeric)
Conducting polymers
Electroactive polymers
Electrochromism
Joining
Multichromism
Optical properties
Polymerization
Polymers
Thiazolothiazole
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Summary:[Display omitted] Here we report the preparation of two solution processible polymers; poly(2-(5-(2-(2-octyldodecyl)-2H-benzo[d][1,2,3]triazol-4-yl)thiophen-2-yl)-5-(thiophen-2-yl)thiazolo[5,4-d]thiazole) (PBTTz) and poly(2-(5-(9,9-dioctyl-9H-fluoren-2-yl)thiophen-2-yl)-5-(thiophen-2-yl)thiazolo[5,4-d]thiazole) (PFTTz) which are multichromic electroactive polymers. PBTTz was synthesized via Stille coupling polymerization whereas PFTTz was synthesized via Suzuki coupling polymerization. Both polymers were coated on ITO slides and their electrochromic properties were investigated. The results of the PBTTz were also compared with a previously published polymer to investigate the linear and branched alkyl chain effect. The polymers were compared through their optical properties and UV–Vis spectroelectrochemistry.
ISSN:0014-3057
1873-1945
DOI:10.1016/j.eurpolymj.2014.12.028