Synthesis and characterization of poly(o-methoxy aniline) and its copolymer for electrochromic device energy applications
Poly(o-methoxy aromatic amine) and its copolymer PTSA-doped poly(3-ABSA-co-OMAA) were synthesized by both chemical oxidation as well as electrochemical method in the presence of external dopant p-toluenesulfonic acid (PTSA). The synthesis of the homopolymer and copolymer poly(3-ABSA-co-OMAA) was confirmed by FT-IR spectroscopy. The growth of the electrochemically synthesized samples has been investigated by cyclic voltammogram and chronoamperometry studies for their applications to the electrochromic devices. Both the samples show switching behaviour. The electrochromic switching stability of both devices has been calculated from switching times between their oxidized and reduced states. It has been observed that ECDs based on o-methoxy aromatic amines are promising candidates for electrochromic devices.
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