Method for forming ZnS/SnS/CuA core-shell structure composite powder through thermosynthesis of normal pressure solvent
A core-shell structure, composite powder technology, applied in chemical instruments and methods, tin compounds, microcapsule preparations, etc., can solve the problems of slow reaction speed, harshness, difficult controllable synthesis of core-shell, etc. The effect of low cost and strong controllability of the reaction process
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[0026] Example 1:
[0027] (1) Weigh 2.7375 grams of zinc acetate, 2.8206 grams of stannous chloride, 2.8549 grams of thiourea, 4.9913 grams of copper acetate and 2.961 grams of selenium powder, wherein zinc acetate, stannous chloride, thiourea and copper acetate are respectively dissolved in ethylene glycol to prepare a solution, and selenium powder is dissolved in hydrazine hydrate to prepare a solution.
[0028] (2) the ethylene glycol solution of zinc acetate obtained in step (1) and the ethylene glycol solution of thiourea are added in the there-necked flask and mixed, then 5 milliliters of ethylenediamine are added, and the there-necked flask is placed in a magnetic stirring oil bath and the three bottle mouths were inserted into the sealing plug, the condenser tube and the thermometer respectively, stirred while heating, kept at 150 °C for 1 hour, and then naturally cooled to room temperature to obtain a solution containing ZnS nanopowder.
[0029] (3) adding the eth...
Example Embodiment
[0032] Example 2 :
[0033] (1) Weigh 0.5488 g of zinc acetate, 0.5641 g of stannous chloride, 0.3806 g of thiourea, 0.9983 g of copper acetate and 0.3806 grams of thiourea, wherein zinc acetate, stannous chloride, copper acetate and two parts of thiourea were dissolved in ethylene glycol to prepare a solution, and the ethylene glycol solutions of two parts of thiourea were labeled a (containing 0.3806 grams of thiourea) , b (containing 0.3806 grams of thiourea).
[0034] (2) the ethylene glycol solution of zinc acetate obtained in step (1) and the ethylene glycol solution of No. a thiourea are added in the there-necked flask and mixed, and the there-necked flask is placed in a magnetic stirring oil bath, and the three flasks are Insert a sealing plug, a condenser tube and a thermometer into the mouth respectively, stir while heating, keep at 150° C. for 1 hour, and then naturally cool to room temperature to obtain a solution containing ZnS nano-powder.
[0035] (3) adding...
Example Embodiment
[0038] Example 3
[0039] (1) Weigh 0.5488 g of zinc acetate, 0.5641 g of stannous chloride, 0.5709 g of thiourea, 0.9983 g of copper acetate and 0.5709 grams of thiourea, wherein zinc acetate, stannous chloride, copper acetate and two parts of thiourea were dissolved in ethylene glycol to prepare a solution, and the two parts of ethylene glycol solutions of thiourea were labeled a (containing 0.5709 grams of thiourea) , b (containing 0.5709 grams of thiourea).
[0040](2) the ethylene glycol solution of zinc acetate obtained in step (1) and the ethylene glycol solution of No. a thiourea are added in the there-necked flask and mixed, and the there-necked flask is placed in a magnetic stirring oil bath, and the three flasks are Insert a sealing plug, a condenser tube and a thermometer into the mouth respectively, stir while heating, keep at 150° C. for 1 hour, and then naturally cool to room temperature to obtain a solution containing ZnS nano-powder.
[0041] (3) adding th...
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