Navigating the Color Palette of Solution-Processable Electrochromic Polymers

Solution-processable electrochromic (EC) polymers that can be switched from one distinct color state to a highly transmissive and near colorless state are required for applications in both EC windows and displays. Using a tour around the color wheel, we describe the various EC polymer (ECP) composit...

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Bibliographic Details
Published in:Chemistry of materials 2011-02, Vol.23 (3), p.397-415
Main Authors: Amb, Chad M, Dyer, Aubrey L, Reynolds, John R
Format: Article
Language:English
Subjects:
Electrochemistry
Optical Materials (including Non-Linear Optic, Photonic, and Optoelectronic Materials)
Polymeric Materials
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Summary:Solution-processable electrochromic (EC) polymers that can be switched from one distinct color state to a highly transmissive and near colorless state are required for applications in both EC windows and displays. Using a tour around the color wheel, we describe the various EC polymer (ECP) compositions that now make a full palette of colors available demonstrating a set of structure−property relationships. Electrochemical and electrochromic characterization methodologies are described and their application to ECPs demonstrated. Processing and patterning methods including spray casting, screen-, flexo-, and ink jet printing, along with photo- and soft lithography are described. Absorptive/transmissive (window type) and absorptive/reflective (display type) devices are described as platforms for practical applications.
ISSN:0897-4756
1520-5002
DOI:10.1021/cm1021245