Fluorescent powder capable of promoting plant growth, preparation thereof and light conversion film prepared from fluorescent powder
A technology that promotes plant growth and phosphor, applied in the field of light-transfer film, can solve the problems of increasing planting costs and energy consumption, complicated LED chip technology, and difficulty in large-scale application, and achieves improved light energy conversion efficiency, cheap source channels, The effect of low equipment requirements
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[0034] Example 1
[0035] Follow SrMgAl 9.95 O 17 :0.05Cr 3+ The stoichiometric ratio of the molecular formula, respectively weighing SrCO 3 , MgO, Al 2 O 3 And Cr 2 O 3 , Mix, get the material, then add 2% H of the material mass 3 BO 3 , Mix well to form a mixture, fully grind uniformly, put it in an alumina crucible, place it in a tube furnace at a temperature of 1450℃, calcine in a nitrogen atmosphere for 6 hours, cool to room temperature along with the furnace, and grind to obtain SrMgAl 9.95 O 17 :0.05Cr 3+ powder.
[0036] According to the mass ratio of 100:15, respectively take the prepared SrMgAl 9.95 O 17 :0.05Cr 3+ Powder and commercial yellow phosphor Y (3-y) Al 5 O 12 :yCe 3+ , Put it into an agate mortar and mix, and grind it fully until the powder is uniform in color to obtain a mixed phosphor.
[0037] According to the mass ratio of 1:1, take the two components of the epoxy resin AB glue and mix them to obtain the mixed glue, then add the mixed phosphor with a mass of 1...
Example Embodiment
[0052] Example 2
[0053] Follow SrMgAl 9.95 O 17 :0.05Cr 3+ The stoichiometric ratio of the molecular formula, respectively weighing Sr(NO 3 ) 2 , MgSO 4 , Al(NO 3 ) 3 And Cr 2 O 3 , Mix, get the material, then add 1% H of the material mass 3 BO 3 , Mix well to form a mixture, after fully grinding, put it into an alumina crucible, place it in a tube furnace at a temperature of 1400 ℃, calcine in a nitrogen atmosphere for 8 hours, cool to room temperature along with the furnace, and grind to obtain SrMgAl 9.95 O 17 :0.05Cr 3+ powder.
[0054] According to the mass ratio of 100:10, respectively take the prepared SrMgAl 9.95 O 17 :0.05Cr 3+ Powder and commercial yellow phosphor Y (3-y) Al 5 O 12 :yCe 3+ , Put it into an agate mortar and mix, and grind it fully until the powder is uniform in color to obtain a mixed phosphor.
[0055] According to the mass ratio of 1:0.8, take the two components of the epoxy resin AB glue and mix them to obtain the mixed glue. Then add the mixed phosphor ...
Example Embodiment
[0056] Example 3
[0057] Follow SrMgAl 9.95 O 17 :0.05Cr 3+ The stoichiometric ratio of the molecular formula, respectively weighing Sr(NO 3 ) 2 , MgCO 3 , Al(NO 3 ) 3 And Cr 2 (SO 4 ) 3 , Mix, get the material, then add 1.5% H of the material mass 3 BO 3 , Mix well to form a mixture, fully grind uniformly, put it in an alumina crucible, place it in a tube furnace at a temperature of 1500 ℃, calcine in a nitrogen atmosphere for 4 hours, cool to room temperature along with the furnace, and grind to obtain SrMgAl 9.95 O 17 :0.05Cr 3+ powder.
[0058] According to the mass ratio of 100:20, respectively take the prepared SrMgAl 9.95 O 17 :0.05Cr 3+ Powder and commercial yellow phosphor Y (3-y) Al 5 O 12 :yCe 3+ , Put it into an agate mortar and mix, and grind it fully until the powder is uniform in color to obtain a mixed phosphor.
[0059] According to the mass ratio of 1:1.2, take the two components of the epoxy resin AB glue and mix them to obtain a mixed glue, then add a mixed phosph...
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