Preparation method of nickel oxide/polyaniline composite electrochromic film
An electrochromic and polyaniline technology, which is applied in the field of preparation of nickel oxide/polyaniline composite electrochromic films, has wide application prospects, simple preparation methods, and overcomes the effects of poor chemical stability
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Embodiment 1
[0027] The FTO conductive glass was sequentially immersed in deionized water, acetone and ethanol for ultrasonic cleaning for 20 minutes, and dried for later use. Weigh 0.62g of nickel acetate tetrahydrate and 0.31g of potassium persulfate and dissolve them in 46mL of water. After they are completely dissolved, add 3mL of concentrated ammonia water dropwise to obtain a reaction solution. In the kettle, it was kept at 180° C. for 6 hours, and finally cooled to room temperature naturally, and the FTO conductive glass was taken out, washed with water and ethanol successively, dried, and calcined at 500° C. for 3 hours to obtain the FTO conductive glass with NiO layer; Weigh 0.93g of aniline monomer and dissolve it in 200mL of 0.5mol / L sulfuric acid solution to obtain a deposition solution, put the FTO conductive glass with NiO layer obtained above into the deposition solution as a working electrode, and use a platinum sheet as a counter electrode , at 0.05mA / cm 2 The nickel oxid...
Embodiment 2
[0029] The FTO conductive glass was sequentially immersed in deionized water, acetone and ethanol for ultrasonic cleaning for 30 minutes, and dried for later use. Weigh 0.37g of nickel acetate tetrahydrate and 0.185g of potassium persulfate and dissolve them in 47.2mL of water. After they are completely dissolved, add 1.8mL of concentrated ammonia water dropwise to obtain a reaction solution. In a hydrothermal kettle, keep warm at 160°C for 12 hours, and finally cool down to room temperature naturally, take out the FTO conductive glass, wash it with water and ethanol, dry it, and calcinate it at 400°C for 6 hours to obtain a FTO conductive glass with a NiO layer. Glass: Weigh 1.86g of aniline monomer and dissolve it in 200mL of 1mol / L sulfuric acid solution to obtain a deposition solution, put the FTO conductive glass with NiO layer obtained above into the deposition solution as a working electrode, and use a platinum sheet as a counter electrode , at 0.1mA / cm 2 The nickel ox...
Embodiment 3
[0031]The FTO conductive glass was sequentially immersed in deionized water, acetone and ethanol for ultrasonic cleaning for 25 minutes, and dried for later use. Weigh 0.62g of nickel acetate tetrahydrate and 0.31g of potassium persulfate and dissolve them in 46mL of water. After they are completely dissolved, add 3mL of concentrated ammonia water dropwise to obtain a reaction solution. In the kettle, it was kept at 170° C. for 8 hours, and finally cooled naturally to room temperature, and the FTO conductive glass was taken out, washed with water and ethanol successively, dried, and calcined at 600° C. for 2 hours to obtain the FTO conductive glass with NiO layer; Weigh 0.93g of aniline monomer and dissolve it in 200mL of 0.5mol / L sulfuric acid solution to obtain a deposition solution, put the FTO conductive glass with NiO layer obtained above into the deposition solution as a working electrode, and use a platinum sheet as a counter electrode , at 0.5mA / cm 2 The nickel oxide / ...
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