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
Active Publication Date: 2015-05-13
HARBIN INST OF TECH
6 Cites 17 Cited by
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The invention relates to a method for preparing an electrochromic device, in particular to a method for preparing a flexible adhesive electrochromic device capable of being switched between a mirror state and a transparent state and aims to solve the problems that the traditional electrochromic smart window is fragile, complex in preparation and higher in cost. The method comprises the following steps: 1, cutting ITO/PET films as required, performing ultrasonic cleaning and blow-drying, and thus obtaining flexible substrates; 2, adding calcium hydride into dimethyl sulfoxide, carrying out heating reflux and distillation at reduced pressure, and thus obtaining dried dimethyl sulfoxide; 3, dissolving silver nitrate, copper chloride and tetrabutyl ammonium bromide into the dried dimethyl sulfoxide to be prepared into an electrolyte, adding polyethylene glycol into the electrolyte, and thus obtaining an electrolyte solution; 4, oppositely placing the conductive surfaces of the two flexible substrates, injecting the electrolyte solution between the two flexible substrates, packaging, and thus obtaining the electrochromic device. The electrochromic device can be switched between the mirror state and the transparent state and is flexible. The method is applied to the field of the electrochromic smart windows.
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