Rational design of an “all-in-one” monomer to obtain black-to-highly transmissive electrochromic polymer
- Authors
- Guzel, Merve; Ha, Su Ryong; Choi, Hyosung; Ak, Metin
- Issue Date
- Feb-2022
- Publisher
- Elsevier Ltd
- Keywords
- Black-to-transmissive electrochromism; High optical contrast; Super-structured material
- Citation
- Electrochimica Acta, v.404, pp.1 - 14
- Indexed
- SCIE
SCOPUS
- Journal Title
- Electrochimica Acta
- Volume
- 404
- Start Page
- 1
- End Page
- 14
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/139627
- DOI
- 10.1016/j.electacta.2021.139761
- ISSN
- 0013-4686
- Abstract
- We report here the rational design of novel black-to-highly transmissive electrochromic material consisting of two different complementary units and a π-conjugated pendant group. Polymerization of the triazine-cored super-structured molecule has yielded a high optical contrast black electrochromic conductive polymer by a combination of the complementary spectra of polycarbazole, polyaniline, and pyrene-based π-conjugated pendant group. The polymer has exhibited a high optical contrast of up to 81% covering the range of 400–800 nm in the spectrum. The PTPCFd film is highly transparent at neutral state, then gray, and finally turns to deep black color covering a broad absorption in the visible range at oxidized state. This work could provide a new method for the design and synthesis of practical black-to-transmissive materials.
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