Flexible device having both electrochromic and electroluminescent functions, and preparation method thereof
An electrochromic and flexible device technology, which is applied in the fields of electric solid-state devices, semiconductor/solid-state device manufacturing, electrical components, etc., can solve the problems of low color purity of luminescent materials, poor device stability, and reduced device life, etc., to achieve excellent luminescence Efficiency, solution to poor reliability, effect of excellent electrochromic performance
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[0051] The preparation process of the above-mentioned flexible device is as follows:
[0052] 1) Preparation of transparent conductive electrode: spraying a nano silver grid layer on a transparent non-conductive flexible substrate by inkjet printing, and drying treatment to obtain a transparent conductive electrode;
[0053] 2) Preparation of electrochromic layer by one-step reduction method:
[0054] a. Preparation of PEDOT:PSS / Ag electrochromic material: add an excess of 0.01mol EDOT monomer to an aqueous solution containing PSS with a concentration of 0.5 to 1.5%, and stir vigorously to dissolve it. Add excess EDOT monomer to fully remove Ag + Reduce to Ag; then add silver nitrate dropwise to the EDOT / PSS aqueous solution until its concentration is 10 mmol / L; after reacting for 12 hours, wash repeatedly with a large amount of deionized water to obtain PEDOT:PSS / Ag electrochromic material;
[0055] b. Preparation of electrochromic paint doped with electrolyte: mix the PEDOT:PSS / Ag e...
Example Embodiment
[0061] Example 1:
[0062] A flexible device with both electrochromic and electroluminescent functions includes a transparent conductive electrode 1, an electrochromic layer 2, an electroluminescent layer 3, a dielectric layer 4, an insulating layer 5, and a back electrode 6 connected in sequence.
[0063] The preparation process of the above-mentioned flexible device is as follows:
[0064] 1) Preparation of transparent conductive electrode: spray nano-silver grid layer on a transparent non-conductive flexible substrate and dry it to obtain a transparent conductive electrode;
[0065] 2) Preparation of electrochromic layer by one-step reduction method:
[0066] a. Preparation of PEDOT:PSS / Ag electrochromic material: add 0.01mol EDOT monomer in an aqueous solution containing 1% PSS concentration, and stir vigorously to dissolve it; then add silver nitrate dropwise to the EDOT / PSS aqueous solution , Until its concentration is 10mmol / L; after reacting for 12h, wash repeatedly with a larg...
Example Embodiment
[0073] Example 2:
[0074] A flexible device with both electrochromic and electroluminescent functions includes a transparent conductive electrode 1, an electrochromic layer 2, an electroluminescent layer 3, a dielectric layer 4, an insulating layer 5, and a back electrode 6 connected in sequence.
[0075] The preparation process of the above-mentioned flexible device is as follows:
[0076] 1) Preparation of transparent conductive electrode: spray nano-silver grid layer on a transparent non-conductive flexible substrate and dry it to obtain a transparent conductive electrode;
[0077] 2) Preparation of electrochromic layer by one-step reduction method:
[0078] a. Preparation of PEDOT:PSS / Ag electrochromic material: add 0.01mol EDOT monomer in an aqueous solution containing 1% PSS concentration, and stir vigorously to dissolve it; then add silver nitrate dropwise to the EDOT / PSS aqueous solution , Until its concentration is 10mmol / L; after reacting for 12h, wash repeatedly with a larg...
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