Blende structure Cu2MnSnS4 powder material and liquid phase preparation method thereof
A powder material and sphalerite technology, applied in chemical instruments and methods, inorganic chemistry, manganese compounds, etc., can solve the problems of difficult control of copper, manganese, tin and sulfur powder material components, high preparation costs, environmental pollution, etc., to achieve The effect of low cost, high production efficiency, and simple operation of the preparation process
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[0028] Example 1:
[0029] Choline chloride and urea are mixed uniformly, heated to 80° C., stirred for 1 hour, and cooled to room temperature to obtain a deep eutectic solution. The molar ratio of choline chloride to solvent is 1:2. Weigh 4 mmol CuCl 2 • 2H 2 O, 2 mmol MnCl 2 • 4H 2 O, 2mmol SnCl 4 • 5H 2 Put O, 8 mmol thiourea into a round-bottomed three-necked flask, add 35 ml of deep eutectic solution, and let stand for 3-5 minutes to obtain a uniform milky white solution. Fill in nitrogen as protective gas, and place the round-bottomed three-necked flask at a constant temperature Heat to 200°C in an oil bath and keep it for 4 hours, then cool to room temperature, wash with absolute ethanol and deionized water 3 times in sequence, then filter, dry in a drying box at 60°C for 6 hours to obtain a black powder .
Example Embodiment
[0030] Example 2:
[0031] Take choline chloride and urea and mix them uniformly, heat to 80°C, stir and react for 1 h, and cool to room temperature to obtain a deep eutectic solution. The molar ratio of choline chloride to solvent is 1:3. Weigh 4 mmol CuCl 2 • 2H 2 O, 2 mmol MnCl 2 • 4H 2 O, 2mmol SnCl 4 • 5H 2 Put O, 8 mmol thiourea into a round-bottomed three-necked flask, add 35 ml of deep eutectic solution, and let stand for 3-5 minutes to obtain a uniform milky white solution. Fill in nitrogen as protective gas, and place the round-bottomed three-necked flask at a constant temperature Heat to 200°C in an oil bath and keep it for 4 hours, then cool to room temperature, wash with absolute ethanol and deionized water 3 times in sequence, then filter, dry in a drying box at 60°C for 6 hours to obtain a black powder .
Example Embodiment
[0032] Example 3:
[0033] Choline chloride and urea are mixed uniformly, heated to 80°C, stirred for 1 h, and cooled to room temperature to obtain a deep eutectic solution. The molar ratio of choline chloride to solvent is 1:2. Weigh 4 mmol CuCl 2 • 2H 2 O, 2 mmol MnCl 2 • 4H 2 O, 2mmol SnCl 4 • 5H 2 Put O, 8 mmol thiourea into a round-bottomed three-necked flask, add 35 ml of deep eutectic solution, and let stand for 3-5 minutes to obtain a uniform milky white solution. Fill in nitrogen as protective gas, and place the round-bottomed three-necked flask at a constant temperature Heat to 180°C in an oil bath and keep it for 6 hours, then cool to room temperature, wash with absolute ethanol and deionized water 3 times in sequence, then filter, dry in a drying oven at 60°C for 4 hours to obtain a black powder .
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