Method for improving photoluminescence efficiency of upconversion material
A conversion material, photoluminescence technology, applied in luminescent materials, chemical instruments and methods, etc., can solve the problems of low fluorescence efficiency, limit the process of industrial application, etc., and achieve the effect of improving the intensity of photoluminescence
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Embodiment 1
[0021] An effective method to improve the photoluminescence efficiency of upconversion materials, using the co-sintering process to prepare NaY containing nano-silver particles 1-x-y Yb x Er y f 4 Upconversion material, where x=0.18, y=0.02, the steps are as follows:
[0022] 1) Configure 90 ml of silver nitrate (AgNo 3 ) solution was mixed with 10 ml mass fraction 0.15% sodium citrate solution, and stirred at a constant temperature at 80°C for 2 hours to prepare a sol containing nano-silver particles;
[0023] 2) Configure 0.2 mol / L ytterbium chloride (YbCl 3 ), chloride bait (ErCl 3 ), sodium chloride (NaCl), yttrium chloride (YCl 3 ) and disodium ethylenediaminetetraacetic acid (EDTA) aqueous solution, configure 30mL yttrium chloride (YCl 3 ), ytterbium chloride (YbCl 3 ) and bait chloride (ErCl 3 ) mixed aqueous solution, where Y 3+ :Yb 3+ :Er 3+ =40:9:1, add 30mL 0.2 mol / L sodium chloride (NaCl) aqueous solution, 48mL 0.2 mol / L EDTA aqueous solution and 45mL e...
Embodiment 2
[0027] An effective method to improve the photoluminescence efficiency of upconversion materials, using the co-sintering process to prepare NaY containing nano-silver particles 1-x-y Yb x Er y f 4 Upconversion material, where x=0.27, y=0.03, the steps are as follows:
[0028] 1) Configure 90 ml of silver nitrate (AgNo 3 ) solution was mixed with 10 ml mass fraction 0.2% sodium citrate solution, and stirred at a constant temperature at 100°C for 1 hour to prepare a sol containing nano-silver particles;
[0029] 2) Configure 0.2 mol / L ytterbium chloride (YbCl 3 ), chloride bait (ErCl 3 ), sodium chloride (NaCl), yttrium chloride (YCl 3 ) and disodium ethylenediaminetetraacetic acid (EDTA) aqueous solution, configure 30mL yttrium chloride (YCl 3 ), ytterbium chloride (YbCl 3 ) and bait chloride (ErCl 3 ) mixed aqueous solution, where Y 3+ :Yb 3+ :Er 3+ =23.3:9:1, add 30mL 0.2 mol / L sodium chloride (NaCl) aqueous solution, 48mL 0.2 mol / L EDTA aqueous solution and 45mL ...
Embodiment 3
[0033] An effective method to improve the photoluminescence efficiency of upconversion materials, using the co-sintering process to prepare NaY containing nano-silver particles 1-x-y Yb x Er y f 4 Upconversion material, where x=0.18, y=0.02, the steps are as follows:
[0034] 1) Configure 90 ml of silver nitrate (AgNo 3 ) solution was mixed with 10 ml mass fraction 0.4% sodium citrate solution, and stirred at a constant temperature at 120°C for 0.5 hour to prepare a sol containing nano-silver particles;
[0035] 2) Configure 0.2 mol / L ytterbium chloride (YbCl 3 ), chloride bait (ErCl 3 ), sodium chloride (NaCl), yttrium chloride (YCl 3 ) and disodium ethylenediaminetetraacetic acid (EDTA) aqueous solution, configure 30mL yttrium chloride (YCl 3 ), ytterbium chloride (YbCl 3 ) and bait chloride (ErCl 3 ) mixed aqueous solution, where Y 3+ :Yb 3+ :Er 3+ =30:9:1, add 30mL 0.2 mol / L sodium chloride (NaCl) aqueous solution, 48mL 0.2 mol / L EDTA aqueous solution and 45mL ...
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