Caesium and antimony co-doped stannic oxide nano powder and preparation method of dispersion solution thereof
A nano-powder, co-doping technology, used in tin oxide, chemical instruments and methods, inorganic chemistry, etc., can solve the problems of low conductivity and infrared absorption efficiency, uneven doping of tin dioxide, etc., and achieve particle size. Small, high degree of monodispersity, high infrared absorption rate
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Embodiment 1
[0019] 1) According to the formula, add tin tetrachloride pentahydrate and antimony trichloride to the hydrochloric acid solution and stir evenly, then add cesium carbonate and the two-component chelating agent to the hydrochloric acid and stir evenly. The mass ratio of tin tetrachloride pentahydrate to antimony trichloride is 1:0.5, the mass of cesium carbonate is 5% of tin tetrachloride pentahydrate, and the two-component chelating agent is ethylenediaminetetraacetic acid and diethylene The content of the chelating agent is 5% of the total mass of tin tetrachloride pentahydrate, the molar ratio of the two chelating agents is 1:1, and the concentration of hydrochloric acid is 2mol / L;
[0020] 2) Drop ammonia into the solution prepared in step 1 to obtain a precipitate and stir to complete the reaction. Pour out and vacuum filter, the obtained precipitate is repeatedly washed with deionized water, then washed with absolute ethanol, dried, and finely ground. The ammonia concentra...
Embodiment 2
[0024] 1) According to the formula, add tin tetrachloride pentahydrate and antimony trichloride to the hydrochloric acid solution and stir evenly, then add cesium carbonate and the two-component chelating agent to the hydrochloric acid and stir evenly. The mass ratio of tin tetrachloride pentahydrate to antimony trichloride is 1:1, the mass of cesium carbonate is 10% of tin tetrachloride pentahydrate, and the two-component chelating agent is tartaric acid and hydrolyzed polymaleic anhydride. The content of the mixture is 0.2% of the total mass of tin tetrachloride pentahydrate, the molar ratio of the two chelating agents is 1:1, and the concentration of hydrochloric acid is 1 mol / L;
[0025] 2) Drop ammonia into the solution prepared in step 1 to obtain a precipitate and stir to complete the reaction. Pour out and vacuum filter, the obtained precipitate is repeatedly washed with deionized water, then washed with absolute ethanol, dried, and finely ground. The concentration of am...
Embodiment 3
[0029] 1) According to the formula, add tin tetrachloride pentahydrate and antimony trichloride to the hydrochloric acid solution and stir evenly, then add cesium carbonate and the two-component chelating agent to the hydrochloric acid and stir evenly. The mass ratio of tin tetrachloride pentahydrate to antimony trichloride is 1:0.7, the mass of cesium carbonate is 1% of tin tetrachloride pentahydrate, and the two-component chelating agent is hydroxyethyl ethylene diamine triacetic acid and Polymethacrylic acid, the content of the chelating agent is 3% of the total mass of tin tetrachloride pentahydrate, the molar ratio of the two chelating agents is 1:1, and the concentration of hydrochloric acid is 3mol / L;
[0030] 2) Drop ammonia into the solution prepared in step 1 to obtain a precipitate and stir to complete the reaction. Pour out and vacuum filter, the obtained precipitate is repeatedly washed with deionized water, then washed with absolute ethanol, dried, and finely ground...
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