Metal particle-doped hollow structure calcium titanate praseodymium luminescence material and preparation method thereof
A hollow structure, metal particle technology, applied in the direction of luminescent materials, chemical instruments and methods, etc., can solve the problems of inconsistent powder particle size, low luminous intensity of phosphor, high energy consumption of high temperature reaction, etc. Enhanced luminous efficiency and high-quality effects
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Embodiment 1
[0026] Precipitation method to prepare Ca 0.999 Ti 0.99 sn 0.01 o 3 :Pr 0.001 PD 1×10 -5
[0027] Preparation of Pd-containing nanoparticle sol: Weigh 0.22 mg palladium chloride (PdCl 2 2H 2 O) be dissolved in the deionized water of 10mL; Under the condition of magnetic stirring, 11.0mg sodium citrate and 4.0mg sodium lauryl sulfate are dissolved in the above-mentioned palladium chloride solution; Weigh 0.38mg sodium borohydride and dissolve in 100mL deionized water to obtain a concentration of 1×10 -4 mol / L sodium borohydride solution; under the condition of magnetic stirring, quickly add 10mL of the above-mentioned sodium borohydride solution to the above-mentioned palladium chloride solution, react for 20min, and obtain 20mL of Pd nanoparticles with a concentration of 5×10 -5 mol / L of sol.
[0028] Preparation of CPd: Weigh 6.005g of glucose and dissolve it in 36mL of absolute ethanol to obtain a glucose alcohol solution, add 4mL of the above sol to the glucose alc...
Embodiment 2
[0032] Precipitation method to prepare Ca 0.998 Ti 0.995 sn 0.005 o 3 :Pr 0.002 Ag 2.5×10 -4
[0033] Preparation of Ag nanoparticles sol: weigh 3.4 mg silver nitrate (AgNO 3 ) was dissolved in 18.4mL of deionized water; under the condition of magnetic stirring, 42mg of sodium citrate was dissolved in the above silver nitrate solution; 5.7mg of sodium borohydride was weighed and dissolved in 10mL of deionized water to obtain a concentration of 1.5×10 -2 mol / L sodium borohydride solution; under the condition of magnetic stirring, add 1.6mL of the above-mentioned sodium borohydride solution to the above-mentioned silver nitrate solution at one time, and continue to react for 10min to obtain 20mL of Ag nanoparticles with a concentration of 1×10 -3 mol / L of sol.
[0034] Preparation of CAg: Weigh 3.003g of glucose and dissolve it in 35mL of absolute ethanol to prepare an alcoholic solution of glucose, add 5mL of the above sol to the alcoholic solution of glucose to obtain a...
Embodiment 3
[0040] Precipitation method to prepare Ca 0.995 Ti 0.999 sn 0.001 o 3 :Pr 0.005 Pt 5×10 -3
[0041] Containing the preparation of Pt nanoparticle sol: take by weighing 25.9mg chloroplatinic acid (H 2 PtCl 6 ·6H 2 O) be dissolved in 17mL of deionized water; under the condition of magnetic stirring, 400mg sodium citrate and 600mg sodium dodecylsulfonate are dissolved in the above-mentioned chloroplatinic acid solution; 1.9mg sodium borohydride is weighed and dissolved in 10mL deionized water to obtain a concentration of 5 x 10 -3 mol / L sodium borohydride solution; at the same time prepare 10mL concentration of 5×10 -2 mol / L hydrazine hydrate solution; under the condition of magnetic stirring, first add 0.4mL of the above-mentioned sodium borohydride solution dropwise to the above-mentioned chloroplatinic acid solution, after reacting for 5min, then add 2.6mL of the above-mentioned hydrazine hydrate solution to the above-mentioned chloroplatinic acid solution Hydrazine ...
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