Process for preparing strontium aluminate series luminescence material by self-spreading synthesis method
A technology of luminescent materials and synthesis methods, which can be used in luminescent materials, chemical instruments and methods, etc., and can solve the problems of high hardness of substances, limited application fields and application scope, and poor performance.
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[0011] The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.
[0012] The process steps of preparing strontium aluminate-based luminescent materials by the self-propagating synthesis method of the present invention are as follows:
[0013] a. Add Eu 2 o 3 、Dy 2 o 3 , SrCO 3 Prepare a certain concentration of nitrate solution.
[0014] b. Mix the nitrate solution with Al(NO 3 ) 3 9H 2 O is mixed according to the ratio of Al / Sr=1.8-2.1 and 3.6-4.2, Eu and Dy ions are added in a ratio of 0.1-0.15 mol%, and then a certain amount of additive solution and urea are added to make a mixed solution. The additive solution can be boric acid (H 3 BO 3 ), borax, phosphorus pentoxide, phosphoric acid, its addition: boric acid (H 3 BO 3 ) or borax is 1-2mol%, phosphorus pentoxide (P 2 o 5 ) or phosphoric acid is 2-3mol%; the addition of this urea is 2.5-3.5W rationale.
[0015] c. Put the container containing the ...
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