Method for preparing copper selenide nanometer material
A technology for nanomaterials and copper selenide, which is applied in the field of preparation of copper selenide nanomaterials, can solve problems such as no nanomaterial reports or technical documents, and achieve the effects of easy promotion, low energy consumption, and simple and novel synthesis process.
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[0020] Example 1:
[0021] (a) Weigh 0.630g, add 5mmol of anhydrous sodium sulfite (Na 2 SO 3 ) and 0.395g, the selenium powder of closing 5mmol was dissolved in 200mL distilled water and refluxed 24 hours, made sodium selenosulfate solution;
[0022] (b) Add 5mL of 25mM Cu(NO 3 ) 2 Aqueous solution, and vigorously stirred at room temperature, vacuumed and kept in nitrogen for 2 hours to make copper ion protein mixture;
[0023] (c) Get 5mL of 25mM sodium selenite solution in (a), add in the copper ion protein mixed solution solution in (b) and then stand still after slight stirring to make selenium-copper protein mixed solution;
[0024] (d) Leave the selenium-copper protein mixture at room temperature for 24 hours to complete the reaction, centrifuge at 15,000 rpm for 10 minutes, wash the resulting black solid three times with distilled water and ethanol, and then vacuum-dry it at 30°C After 12 hours, copper selenide nanomaterials were prepared.
Example Embodiment
[0025] Example 2:
[0026] (a) Weigh 0.630g, add 5mmol of anhydrous sodium sulfite (Na 2 SO 3 ) and 0.395g, the selenium powder of closing 5mmol was dissolved in 200mL distilled water and refluxed 24 hours, made sodium selenosulfate solution;
[0027] (b) Add 5mL of 25mM Cu(NO 3 ) 2 Aqueous solution, and vigorously stirred at room temperature, vacuumed and kept in nitrogen for 2 hours to make copper ion protein mixture;
[0028] (c) Take 5mL of 25mM Na in (a) 2 SeSO 3 solution, add the copper ion protein mixed solution in (b) and then stand still after slight stirring to make the selenium-copper protein mixed solution;
[0029] (d) Leave the selenium-copper protein mixture at room temperature for 48 hours and then centrifuge it at 15,000 rpm for 10 minutes. The resulting black solid is washed three times with distilled water and ethanol, and then vacuum-dried at 30°C After 12 hours, copper selenide nanomaterials were prepared.
Example Embodiment
[0030] Example 3:
[0031] (a) Weigh 0.630g, add 5mmol of anhydrous sodium sulfite (Na 2 SO 3 ) and 0.395g, the selenium powder of closing 5mmol was dissolved in 200mL distilled water and refluxed 24 hours, made sodium selenosulfate solution;
[0032] (b) Add 5mL of 25mM Cu(NO 3 ) 2 Aqueous solution, and vigorously stirred at room temperature, vacuumed and kept in nitrogen for 2 hours to make copper ion protein mixture;
[0033] (c) Take 5mL of 25mM Na in (a) 2 SeSO 3 solution, add (b) in the copper ion protein mixed solution and then stand still after slight stirring to make the selenium-copper protein mixed solution;
[0034] (d) Leave the selenium-copper protein mixture at room temperature for 96 hours and then centrifuge at 15,000 rpm for 10 minutes. The resulting black solid is washed three times with distilled water and ethanol, and then vacuum-dried at 30°C After 12 hours, copper selenide nanomaterials were prepared.
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