Preparation method of copper sulfide nano material
A nanomaterial, copper sulfide technology, applied in copper sulfide, nanostructure manufacturing, nanotechnology and other directions, can solve the problems of limiting the preparation and application of CuS composite nanomaterials, and achieve a simple and novel preparation process, environmental friendly, and a small number of equipment. Effect
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Embodiment 1
[0021] (a) Weigh 10 mg of bovine serum albumin and dissolve it in 10 mL of deionized water, add 5 mL of Cu(NO3)2 solution, stir vigorously at room temperature, vacuumize and store in nitrogen for 2 hours to make a copper ion-protein mixture ;
[0022] The purity of the bovine serum albumin is >99.8%, and the molecular weight is 68000;
[0023] The Cu(NO 3 ) 2 The concentration is: 25mmol / L;
[0024] (b) Weigh 0.0094g thioacetamide (CH 3 CSNH 2 ) was dissolved in 5 mL of deionized water, added to the copper ion-protein mixture in (a) and then left still after slight stirring to make a copper-sulfur protein mixture;
[0025] (c) The copper-sulfur protein mixture was left to react at room temperature for 96 hours, centrifuged at 15,000 rpm for 10 minutes, the resulting black solid was washed three times with distilled water and ethanol, and then vacuum-dried at 30°C for 12 hours to obtain copper sulfide nanomaterials.
Embodiment 2
[0027] (a) Weigh 20 mg of bovine serum albumin and dissolve it in 10 mL of deionized water, add 5 mL of Cu(NO 3 ) 2 The solution was vigorously stirred at room temperature, and left to stand for 2 hours under vacuum nitrogen to make a copper ion-protein mixture;
[0028] The purity of the bovine serum albumin is >99.8%, and the molecular weight is 68000;
[0029] The Cu(NO 3 ) 2 The concentration is: 25mmol / L;
[0030] (b) Weigh 0.0094g thioacetamide (CH 3 CSNH 2 ) was dissolved in 5 mL of deionized water, added to the copper ion-protein mixture in (a) and then left still after slight stirring to make a copper-sulfur protein mixture;
[0031] (c) The copper-sulfur protein mixture was left to react at room temperature for 96 hours, centrifuged at 15,000 rpm for 10 minutes, the resulting black solid was washed three times with distilled water and ethanol, and then vacuum-dried at 30°C for 12 hours to obtain copper sulfide nanomaterials.
Embodiment 3
[0033] (a) Weigh 30 mg of bovine serum albumin and dissolve it in 10 mL of deionized water, add 5 mL of Cu(NO 3 ) 2 The solution was vigorously stirred at room temperature, and left to stand for 2 hours under vacuum nitrogen to make a copper ion-protein mixture;
[0034] The purity of the bovine serum albumin is >99.8%, and the molecular weight is 68000;
[0035] The Cu(NO 3 ) 2 The concentration is: 25mmol / L;
[0036] (b) Weigh 0.0094g thioacetamide (CH 3 CSNH 2 ) was dissolved in 5 mL of deionized water, added to the copper ion-protein mixture in (a) and then left still after slight stirring to make a copper-sulfur protein mixture;
[0037] (c) The copper-sulfur protein mixture solution was left to react at room temperature for 96 hours, centrifuged at 15,000 rpm for 10 minutes, and the black solid obtained was washed three times with distilled water and ethanol successively, and then vacuum-dried at 30°C for 12 hours to prepare into copper sulfide nanomaterials.
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