Dual Cathodically and Anodically Coloring Electrochromic Polymer Based on a Spiro Bipropylenedioxythiophene [(Poly(spiroBiProDOT)]

Three color states and a large luminance change at intermediate potentials are the key features of a new alkylenedioxypolythiophene, in which two polymeric strands are linked by a spiro(bis‐dioxacycloheptene) unit (see Figure). The seven‐membered rings are quite flexible and allow coplanarity of bot...

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Published inAdvanced materials (Weinheim) Vol. 14; no. 10; pp. 717 - 719
Main Authors Reeves, B.D., Thompson, B.C., Abboud, K.A., Smart, B.E., Reynolds, J.R.
Format Journal Article
LanguageEnglish
Published Weinheim WILEY-VCH Verlag Gmbh 17.05.2002
WILEY‐VCH Verlag Gmbh
Subjects
Electrochromic materials
Polymers
Spiro compounds
Thiophenes
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Summary:Three color states and a large luminance change at intermediate potentials are the key features of a new alkylenedioxypolythiophene, in which two polymeric strands are linked by a spiro(bis‐dioxacycloheptene) unit (see Figure). The seven‐membered rings are quite flexible and allow coplanarity of both strands. The polymer is both cathodically and anodically coloring, showing a dark red neutral state and a dark blue oxidized state.
Bibliography:istex:ABF72F6015C24FE498BA714996900B67DF35E677
ark:/67375/WNG-QLSX6SKV-9
ArticleID:ADMA717
ISSN:0935-9648
1521-4095
DOI:10.1002/1521-4095(20020517)14:10<717::AID-ADMA717>3.0.CO;2-D