Method for preparing flexible adhesive electrochromic device capable of being switched between mirror state and transparent state
An electrochromic device and mutual conversion technology, which can be used in instruments, nonlinear optics, optics, etc., can solve the problems of complex preparation, high cost, fragile electrochromic smart windows, etc., and achieve a simple preparation method, easy operation, The effect of low processing cost
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[0022] Specific implementation mode 1: In this embodiment, the method for preparing a flexible pasteable electrochromic device that can be converted into a mirror state and a transparent state is carried out in the following steps:
[0023] 1. Cut the ITO / PET film as needed, and then ultrasonically clean it in acetone, methanol and ultrapure water in sequence, with a cleaning time of 10-20 minutes, and then dry it with nitrogen to obtain a flexible substrate;
[0024] 2. Add calcium hydride to dimethyl sulfoxide, heat to reflux for 6-8 hours, and distill under reduced pressure under nitrogen to obtain dry dimethyl sulfoxide, which is protected and sealed under nitrogen;
[0025] 3. Dissolve silver nitrate, copper chloride and tetra-n-butylammonium bromide in the dried dimethyl sulfoxide obtained in step 2 to prepare an electrolyte. The concentration of silver nitrate in the electrolyte is 10-100 mM, and copper chloride The concentration of tetrabutylammonium bromide is 5-10mM, the co...
Example Embodiment
[0029] Specific embodiment two: this embodiment is different from specific embodiment one in that the mass fraction of calcium hydride in the dimethyl sulfoxide described in step two is 0.4% to 1%. Others are the same as the first embodiment.
Example Embodiment
[0030] Specific embodiment three: This embodiment is different from specific embodiment one or two in that the dimethyl sulfoxide obtained after drying under reduced pressure is put into a molecular sieve for sealed storage. Others are the same as the first or second embodiment.
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