A solid-state electrochromic device based on complementary polypyrrole/polythiophene derivatives and an elastomeric electrolyte |
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| Authors: | W.A. Gazotti M.-A. De Paoli G. Casalbore-Miceli A. Geri G. Zotti |
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| Affiliation: | (1) Instituto de Química, Universidade Estadual de Campinas, C.Postal 6154, 13083-970 Campinas/, SP, Brazil;(2) Istituto di Fotochimica e Radiazioni d'Alta Energia, Consiglio Nazionale delle Ricerche, Bologna, Italy;(3) Istitituto di Polarografia e Elettrochimica Preparativa, Consiglio Nazionale delle Ricerche, Padova, Italy |
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| Abstract: | A device was assembled using optically transparent glass electrodes and combining two complementary electrochromic polymeric materials, poly(4,4 -dipentoxy-2,2-bithiophene) and poly(N,N-dimethyl-2,2-bipyrrole). As electrolyte we used an ionically conductive polymer; poly(epichlorohydrin-co-ethylene oxide) containing a lithium salt. The optical contrast in the visible/near infrared region, stability to repeated redox cycles and electrochromic efficiency are reported and discussed. |
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| Keywords: | elastomeric electrolyte electrochromic device polypyrrole polythiophene |
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