A kind of copper phosphate micron bulb and preparation method thereof
A technology of copper phosphate and curd, which is applied in chemical instruments and methods, phosphorus compounds, inorganic chemistry, etc., can solve the problems of restricting the application of photothermal conversion materials, expensive raw materials of gold nanoparticles, and unstable photothermal conversion performance. Achieve stable light-to-heat conversion performance, stable light-to-heat conversion performance, and reduced light-to-heat conversion efficiency
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[0032] The invention provides a kind of preparation method of copper phosphate micron curd, comprising the following steps:
[0033] (1) mixing urea, sodium lauryl sulfate, water-soluble copper salt and water to obtain a mixed solution;
[0034] (2) mixing the mixed solution obtained in the step (1) with glycerin and phosphoric acid, and performing a heating reaction to obtain copper phosphate micron curds.
[0035] In the present invention, the copper ion provided by the water-soluble copper salt in the mixed solution and the phosphate radical provided by phosphoric acid in the solution, under the effect of surfactant sodium dodecyl sulfate (SDS), utilize glycerol to mix the solution viscosity Combining with the improvement of urea to the pH value of the mixed solution, a copper phosphate micron bulb with a stable structure is generated; and the use of precious metals is avoided, the raw materials are easy to obtain, and the production cost is reduced. The structure is stable...
Embodiment 1
[0054] Accurately weigh 6g of urea and dissolve it fully with 5mL of deionized water at 30°C at a speed of 800rpm for 60min, weigh 0.25g of sodium dodecyl sulfate (SDS), 0.125g of copper sulfate (CuSO 4 ·5H 2 (0) and 0.163g of phosphoric acid with a mass fraction of 30%, each with 5mL deionized water at room temperature, stirred at a speed of 800rpm for 60min and then fully dissolved, then the urea solution, SDS solution, copper phosphate solution and phosphoric acid solution were mixed successively with 0.1mL / s Add it dropwise into a beaker containing 20mL glycerin at a speed of 20mL, continue to stir for 30 minutes, transfer the mixture to a 50mL 180KPa autoclave, react at 100°C for 2 hours, and centrifuge at a speed of 2000rpm for 10min to realize the centrifugation of the product. After washing with deionized water and ethanol three times each, dry in a blast drying oven at 60°C for 20 hours to prepare copper phosphate micron curds.
[0055] Carry out XRD diffraction anal...
Embodiment 2
[0061] Weigh 4g of urea, stir with 5mL of deionized water at 40°C at a speed of 1200rpm for 30min, weigh 0.5g of sodium dodecyl sulfate (SDS), 0.5mmol of copper chloride, and 0.5mmol of phosphoric acid, each with 5mL of deionized Stir the water at 1200rpm for 30min at 25°C, fully stir and dissolve, then add the urea solution, SDS solution, copper phosphate solution and phosphoric acid solution dropwise at a rate of 0.2mL / s into a beaker containing 20mL of glycerin. Continue to stir for 30 minutes, transfer the mixture to a 50 mL autoclave at 190 KPa, react at 120 ° C for 4 hours, centrifuge the reaction product at a speed of 1000 rpm for 30 minutes, and wash the centrifugal precipitate with deionized water and ethanol three times respectively. ℃ drying in a blast oven for 24 hours to prepare copper phosphate micron curds.
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