Preparation method of ZnSnO3 nano material with high gas sensitivity
A technology capable of zinc metastannate and nanomaterials, applied in nanotechnology, chemical instruments and methods, tin compounds, etc., can solve problems such as failure to meet expected requirements, and achieve uniform morphology, low energy consumption, and mild reaction conditions Effect
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Embodiment 1
[0028] Step 1: preparing zinc oxide. Put 1 × 1 square centimeter zinc flakes and 30 milliliters (1.5 grams per liter) sodium dioctyl sulfosuccinate solution into a 50 milliliter polytetrafluoroethylene autoclave, 100 in an electric thermostat blast drying oven After heating for 2 hours at 100°C, the reacted zinc flakes were taken out, and rinsed with absolute ethanol and distilled water successively;
[0029] Step 2: Put the zinc sheet obtained in the first step, 0.75 gram of urea, 0.25 gram of potassium stannate and 30 milliliters of hydroalcoholic solution (the volume of dehydrated alcohol is 38%) into 50 milliliters of polytetrafluoroethylene autoclaves ;
[0030] Step 3: Put the autoclave into an electric heating constant temperature blast drying oven and heat it at 120 degrees Celsius for 0.5 hours;
[0031] Step 4: Collect the zinc flakes and precipitates obtained from the reaction, rinse them with absolute ethanol and distilled water in turn, and dry them in an electr...
Embodiment 2
[0033] Step 1: preparing zinc oxide. Put 1 × 1 square centimeter zinc flakes and 30 milliliters (1.5 grams per liter) sodium dioctyl sulfosuccinate solution into a 50 milliliter polytetrafluoroethylene autoclave, 100 in an electric thermostat blast drying oven After heating for 2 hours at 100°C, the reacted zinc flakes were taken out, and rinsed with absolute ethanol and distilled water successively;
[0034] Step 2: Put the zinc sheet obtained in the first step, 0.75 gram of urea, 0.25 gram of potassium stannate and 30 milliliters of hydroalcoholic solution (the volume of dehydrated alcohol is 38%) into 50 milliliters of polytetrafluoroethylene autoclaves ;
[0035] Step 3: Put the autoclave into an electric constant temperature blast drying oven and heat it at 120 degrees Celsius for 3 hours;
[0036] Step 4: Collect the zinc flakes and precipitates obtained from the reaction, rinse them with absolute ethanol and distilled water in turn, and dry them in an electric constan...
Embodiment 3
[0038] Step 1: preparing zinc oxide. Put 1 × 1 square centimeter zinc flakes and 30 milliliters (1.5 grams per liter) sodium dioctyl sulfosuccinate solution into a 50 milliliter polytetrafluoroethylene autoclave, 100 in an electric thermostat blast drying oven After heating for 2 hours at 100°C, the reacted zinc flakes were taken out, and rinsed with absolute ethanol and distilled water successively;
[0039] Step 2: Put the zinc sheet obtained in the first step, 0.75 gram of urea, 0.25 gram of potassium stannate and 30 milliliters of hydroalcoholic solution (the volume of dehydrated alcohol is 38%) into 50 milliliters of polytetrafluoroethylene autoclaves ;
[0040] Step 3: Put the autoclave into an electric heating constant temperature blast drying oven and heat it at 120 degrees Celsius for 10 hours;
[0041] Step 4: Collect the zinc flakes and precipitates obtained from the reaction, rinse them with absolute ethanol and distilled water in turn, and dry them in an electri...
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