Tungsten trioxide/polyaniline core-shell nanowire array radiochromic film and preparation method thereof
A core-shell nano- and tungsten trioxide technology, applied in chemical instruments and methods, nanotechnology, nano-optics, etc., can solve the problems of low specific surface area of ion diffusion, unsatisfactory electrochromic performance, and small spectral adjustment range. Improve the specific surface area, rich variety of color changes, and wide spectrum adjustment range
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[0040] Example 1:
[0041] 1) FTO conductive glass (Shenzhen Disprey Photoelectric Material Co., Ltd., Rs≤10ohmTr> 85%) Ultrasonic cleaning with acetone, deionized water and ethanol for 10 minutes, and blowing with nitrogen to obtain clean FTO conductive glass;
[0042] 2) Drop excess concentrated hydrochloric acid (10mol / L) into the 1mol / L sodium tungstate aqueous solution until no new precipitation occurs, wash the precipitate with deionized water, and the milky white to light yellow gelatinous precipitate obtained after washing is White tungstic acid: dissolve the obtained white tungstic acid in a 30% hydrogen peroxide aqueous solution with a mass percentage of hydrogen peroxide. The molar ratio of hydrogen peroxide in the white tungstic acid to the hydrogen peroxide aqueous solution is 1:3, plus deionization. Prepare a tungsten peroxide solution with a tungsten concentration of 3mol / L in water, and keep it at 4℃ for later use;
[0043] 3) Spread the tungstic acid solution in ste...
Example Embodiment
[0055] Example 2:
[0056] 1) FTO conductive glass (Shenzhen Disprey Photoelectric Material Co., Ltd., Rs≤10ohmTr> 85%) Ultrasonic cleaning with acetone, deionized water and ethanol for 10 minutes, and blowing with nitrogen to obtain clean FTO conductive glass;
[0057] 2) Drop excess concentrated hydrochloric acid (10mol / L) into the 1mol / L sodium tungstate aqueous solution until no new precipitation occurs, wash the precipitate with deionized water, and the milky white to light yellow gelatinous precipitate obtained after washing is White tungstic acid: dissolve the obtained white tungstic acid in a 30% hydrogen peroxide aqueous solution with a mass percentage of hydrogen peroxide. The molar ratio of hydrogen peroxide in the white tungstic acid to the hydrogen peroxide aqueous solution is 1:3, plus deionization. Prepare a tungsten peroxide solution with a tungsten concentration of 3mol / L in water, and keep it at 4℃ for later use;
[0058] 3) Spread the tungstic acid solution in ste...
Example Embodiment
[0067] Example 3:
[0068] 1) FTO conductive glass (Shenzhen Disprey Photoelectric Material Co., Ltd., Rs≤10ohmTr> 85%) Ultrasonic cleaning with acetone, deionized water and ethanol for 10 minutes, and blowing with nitrogen to obtain clean FTO conductive glass;
[0069] 2) Drop excess concentrated hydrochloric acid (10mol / L) into the 1mol / L sodium tungstate aqueous solution until no new precipitation occurs, wash the precipitate with deionized water, and the milky white to light yellow gelatinous precipitate obtained after washing is White tungstic acid: dissolve the obtained white tungstic acid in a 30% hydrogen peroxide aqueous solution with a mass percentage of hydrogen peroxide. The molar ratio of hydrogen peroxide in the white tungstic acid to the hydrogen peroxide aqueous solution is 1:3, plus deionization. Prepare a tungsten peroxide solution with a tungsten concentration of 3mol / L in water, and keep it at 4℃ for later use;
[0070] 3) Spread the tungstic acid solution in ste...
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