Preparation method of vegetable oil modified nano up-conversion fluorescent material
A fluorescent material and vegetable oil technology, applied in the field of nano fluorescent materials, can solve the problems of environmental hazards, water and air pollution, human skin irritation, etc., and achieve the effects of low cost, abundant sources, and simple process
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Embodiment 1
[0028] Weigh 3.5226g of yttrium oxide, 1.5763g of ytterbium oxide, and 0.1530g of erbium oxide into a 100mL beaker, then add 60mL of 2mol / L nitric acid solution and heat to dissolve. After fully dissolving, set the volume to 100mL to obtain 0.4mol / L Y 0.78 Yb 0.2 Er 0.02 (NO 3 ) 3 Rare earth ion mixture;
[0029] Weigh 3.3592g of sodium fluoride and place it in a 100mL beaker, add 60mL of deionized water, dissolve it fully and set the volume to 100mL to obtain an aqueous solution of sodium fluoride, the molar concentration of which is 0.8mol / L;
[0030] Weigh about 1.45g of sodium hydroxide in a 100mL beaker, add 12mL of deionized water and 9ml of absolute ethanol respectively, and stir and dissolve to obtain a colorless and transparent system, then add 18ml of corn oil, and after heating and stirring, a viscous pale Yellow lotion.
[0031] Add 1 mL of the previously prepared rare earth mixed solution and 2 mL of sodium fluoride aqueous solution to the above emulsion, a...
Embodiment 2
[0034] Weigh 7.0452g of yttrium oxide, 3.1526g of yttrium oxide and 0.3060g of erbium oxide into a 100mL beaker, then add 60mL of 4mol / L nitric acid solution and heat to dissolve. the Y 0.78 Yb 0.2 Er 0.02 (NO 3 ) 3 Rare earth mixed solution;
[0035] Weigh 3.3592g of sodium fluoride and place it in a 100mL beaker, add 60mL of deionized water, fully dissolve and set the volume to 100mL to obtain an aqueous solution of sodium fluoride, the molar concentration of which is 0.8mol / L;
[0036] Weigh about 1.38g of sodium hydroxide in a 100mL beaker, add 9mL of deionized water and 11ml of absolute ethanol respectively, and stir and dissolve to obtain a colorless transparent system, then add 17.5ml of soybean oil, and heat and stir to obtain a viscous Yellow lotion.
[0037] Add 1 mL of the previously prepared rare earth mixed solution and 4 mL of sodium fluoride aqueous solution to the above emulsion, and continue stirring for 0.5 hours to obtain a yellow-white emulsion;
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Embodiment 3
[0040] Weigh 3.5226g of yttrium oxide, 1.5763g of ytterbium oxide, and 0.1530g of erbium oxide and place them in a 100mL beaker, then add 60mL of 2mol / L hydrochloric acid solution and heat to dissolve. / L Y 0.78 Yb 0.2 Er 0.02 Cl 3 Rare earth ion mixture;
[0041] Weigh 1.6796g of sodium fluoride and place it in a 100mL beaker, add 60mL of deionized water, dissolve it fully and set the volume to 100mL to obtain a sodium fluoride aqueous solution, the molar concentration of which is 0.4mol / L;
[0042] Weigh about 1.36g of sodium hydroxide in a 100mL beaker, add 11mL of deionized water and 10ml of absolute ethanol respectively, stir and dissolve to obtain a colorless transparent system, then add 17.2ml of sunflower oil, and heat and stir to obtain a viscous Light yellow emulsion.
[0043] Add 1 mL of the previously prepared rare earth mixed solution and 4 mL of sodium fluoride aqueous solution to the above emulsion, and continue stirring for 1 hour to obtain a yellow-white ...
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