Preparation method for terbium oxide and yttrium oxide co-stabilized zirconia nano fluorescent ceramic powder
A technology of stabilizing zirconia and nano-fluorescence, which is applied in the field of preparation of rare earth luminescent materials, can solve the problems of particle agglomeration and sintering, small specific surface area, and limitations, and achieve good luminescence performance, easy availability of raw materials, and improved density.
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[0034] Example 1.
[0035] Weigh 3.0960g ZrOCl 2 ·8H 2 O,0.0339gY 2 O 3 and 0.0187g Tb 4 O 7 , add excess 1:1 nitric acid to heat to dissolve Y 2 O 3 and Tb 4 O 7 , to form a clear solution of yttrium nitrate and terbium nitrate, the ZrOCl weighed 2 ·8H 2 O is completely dissolved in it to obtain the mixed salt solution of the metal contained in the target product, and then 1.7532g NaCl and 1.7099g glycine are added to the solution, after heating to dissolve completely, continue heating and concentrating the mixed solution to a viscous state, put into the set The fixed temperature is 600 ℃ and the fixed temperature chamber is ignited. After the combustion is completed, the sample is taken out, washed, filtered and dried to obtain a specific surface area of 123 m 2 ·g -1 of (Tb 4 O 7 ) 0.0025 (Y 2 O 3 ) 0.015 (ZrO 2 ) 0.96 Pale yellow powder.
Example Embodiment
[0036] Example 2.
[0037] Weigh 2.993g ZrOCl 2 ·8H 2 O, 0.0339gY 2 O 3 and 0.0748g Tb 4 O 7 , add excess 1:1 nitric acid and heat to dissolve Y 2 O 3 and Tb 4 O 7 , to form a clear solution of yttrium nitrate and terbium nitrate, the ZrOCl weighed 2 ·8H 2 O is completely dissolved in it to obtain the mixed salt solution of the metal contained in the target product, then add 1.7532g NaCl and 1.7596g glycine to the solution, after heating to dissolve completely, continue to heat and concentrate the mixed solution to a viscous state, put into the set The temperature is 600 ℃ and the temperature is ignited in the constant temperature chamber. After the combustion is completed, the sample is taken out, washed, filtered and dried to obtain a specific surface area of 171m 2 g -1 of (Tb 4 O 7 ) 0.010 (Y 2 O 3 ) 0.015 (ZrO 2 ) 0.930 Pale yellow powder.
Example Embodiment
[0038] Example 3.
[0039] Weigh 2.7410g ZrOCl 2 ·8H 2 O, 0.0339gY 2 O 3 and 0.2244g Tb 4 O 7 , add excess 1:1 nitric acid to heat to dissolve Y 2 O 3 and Tb 4 O 7 , to form a clear solution of yttrium nitrate and terbium nitrate, the ZrOCl weighed 2 ·8H 2 O is completely dissolved in it to obtain the mixed salt solution of the metal contained in the target product, then add 1.7532g NaCl and 1.8934g glycine to the solution, after heating to dissolve completely, continue to heat and concentrate the mixed solution to a viscous state, put into the set The temperature is 600 ℃ and the constant temperature chamber is ignited. After the combustion is completed, the sample is taken out, washed, filtered and dried to obtain a specific surface area of 120 m 2 g -1 of (Tb 4 O 7 ) 0.030 (Y 2 O 3 ) 0.015 (ZrO 2 ) 0.850 Pale yellow powder.
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