FIELD: chemistry.
SUBSTANCE: invention relates to a polymer electrochromic device which is capable of varying light absorption in a controlled manner when voltage is applied. The polymer electrochromic device includes at least two electrodes and an electrochromic composition. The electrochemical composition contains a cathode component(s) and an anode component(s), at least one of which is an electrochromic component, and an electrolyte. The electrochromic component is a dispersion of nanoparticles of an insoluble electrochromic polymer in an organic solvent.
EFFECT: invention ensures easy production of the device by using a more readily available insoluble electrochromic polymer compared to insoluble electrochromic polymers currently used.
4 cl, 4 dwg, 6 ex
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