Preparation method of copper-zinc-tin-selenium nanoparticles
A nanoparticle, copper-zinc-tin-selenium technology, which is applied in the field of materials and preparations in the field of nano-optoelectronic technology, can solve the problems of expensive equipment and difficulty in large-area deposition, and achieve the effect of avoiding expensive equipment
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Embodiment 1
[0023] Add 0.25mmol of zinc chloride, 0.25mmol of tin dichloride, 0.5mmol of copper acetylacetonate, and 1mmol of selenium powder into the reaction tube, add 1.25mmol of oleylamine, heat at 100°C for 24 hours, and dissolve the obtained product in ethanol at 8000rpm Centrifuge for 10 minutes, remove the lower layer of precipitate, add chloroform, centrifuge at 7000rpm for 5 minutes, take the supernatant, add 0.1mL oleylamine and 2.5mL of ethanol, centrifuge at 8000rpm for 10 minutes, remove the lower layer of precipitate, evaporate the solvent to obtain copper zinc tin Selenium nanoparticles, the average diameter of copper zinc tin selenium nanoparticles is 5nm, the X-ray diffraction figure of final product is as follows figure 1 .
Embodiment 2
[0025] Add 0.5mmol of zinc sulfate, 0.3mmol of tin acetate, 0.5mmol of cuprous cyanide, and 4.4mmol of selenium powder into the reaction tube, add 15mmol of oleylamine, heat at 350°C for 10 hours, and dissolve the obtained product in 3.8mL of ethylene glycol. Centrifuge at 8000rpm for 10 minutes, remove the lower precipitate, add 2.5mL tetrachlorethylene, centrifuge at 7000rpm for 5 minutes, take the supernatant, add 0.1mL oleylamine and 2.5mL ethylene glycol, centrifuge at 8000rpm for 10min, remove the lower layer, evaporate Obtain copper zinc tin selenium nanoparticles after drying solvent, the average diameter of copper zinc tin selenium nanoparticles is 8nm, the X-ray diffraction figure of final product is as follows figure 2 .
Embodiment 3
[0027] Add 0.3mmol of zinc acetate, 0.28mmol of tin bromide acetylacetonate, 0.5mmol of cuprous chloride, and 1.5mmol of selenium powder into the reaction tube, add 15mmol of oleylamine, heat at 500°C for 1 hour, and dissolve the obtained product in 2.85mL of ethyl alcohol. Diol, centrifuge at 8000rpm for 10 minutes, remove the lower layer of precipitate, add 2.5mL of n-hexane, centrifuge at 7000rpm for 5 minutes, take the supernatant, add 0.1mL oleylamine and 2.5mL of ethylene glycol, centrifuge at 8000rpm for 10 cuprous chloride After taking off the lower layer of precipitation, evaporate the solvent to obtain copper zinc tin selenium nanoparticles, the average diameter of the copper zinc tin selenium nanoparticles is 9nm, and the X-ray diffraction pattern of the final product is as follows: image 3 .
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