Electrochromic film and preparation method and application thereof
An electrochromic, thin film technology, applied in nonlinear optics, instruments, optics, etc., can solve problems such as poor performance, and achieve the effect of improving electrochromic performance and optical contrast
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[0031] A certain amount of dimethyl sulfoxide (DMSO) and water were added to the PEDOT:PSS aqueous dispersion. The volume ratio of DMSO and PEDOT:PSS aqueous dispersion in the mixed solution is 5%.
[0032] Add PEO powder to the above solution. In embodiment 1, the quality of PEO in PEO / PEDOT:PSS blend is 20 parts; In embodiment 2, the quality of PEO in PEO / PEDOT:PSS blend is 40 parts; In embodiment 3, PEO / PEDOT : The quality of PEO in the PSS blend is 60 parts.
[0033] Stir and dissolve the above mixture evenly to form a mixed dispersion. The mixed dispersion liquid was filtered with a filter device.
[0034] The filtered dispersion liquid was dried at 50° C. to form a film to obtain a PEO / PEDOT:PSS blend film.
[0035] The electrical conductivity of the prepared PEO / PEDOT:PSS blend membrane was tested by electrochemical workstation. The results are listed in Table 1.
[0036]The PEO / PEDOT:PSS mixed dispersion was coated on an ITO glass plate, dried at 50°C to form a f...
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