The image describes the electrochromic properties of dithienothiophene and benzotriazole containing donor-acceptor type conjugated polymers. The study by Ali Cirpan et al. on page 1933 indicates that incorporating dithienothiophene into the structure leads to fast switching times compared to benzotriazole based polymers, as well as competent percent transmittance in the near-IR region. Both polymers are multichromic, ambipolar, and spray processable, making them suitable for electrochromic and low-cost flexible display device technology. Optical and electrochemical studies of the polymers show that these polymers can also be utilized in photovoltaic applications.
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