Rare earth element-doped bismuth layer-structured multifunctional materials and preparation method thereof
A rare earth element, multi-functional technology, applied in the direction of analysis materials, luminescent materials, material excitation analysis, etc., to achieve stable process, excellent up-conversion luminescence performance and optical temperature sensing performance, and easy industrialization.
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Embodiment 1
[0028] Preparation of Bi by solid phase method 2.88-x Er 0.03 Yb 0.09 La x Ti 1.5 W 0.5 o 9 Ceramic material, the preparation method is as follows:
[0029] Using high-purity bismuth trioxide (Bi 2 o 3 , 99.5%), titanium dioxide (TiO 2 , 99.99%), Erbium trioxide (Er 2 o 3 , 3N), ytterbium trioxide (Yb 2 o 3 , 3N), tungsten trioxide (WO 3 , 99.8%), lanthanum trioxide (La 2 o 3 , 99.99%) as the raw material, weigh the raw material according to the stoichiometric ratio, put it into an agate mortar, mix it evenly with alcohol as a solvent, and grind it for 3 hours, and put the powder obtained after drying the alcohol into a muffle furnace in the air Pre-fired, the pre-fired temperature is 750°C, the heating rate is 3°C / min, keep the temperature for 4 hours, and then cool down with the furnace to obtain the pre-fired powder. Put the calcined powder into an agate mortar and add an appropriate amount of absolute ethanol and grind it for 2 hours to dry powder. Add an ...
Embodiment 2
[0031] Preparation of Bi by solid phase method 2.97-y Er 0.03 Yb y Ti 1.5 W 0.5 o 9 Ceramic material, the preparation method is as follows:
[0032] Using high-purity bismuth trioxide (Bi 2 o 3 , 99.5%), titanium dioxide (TiO 2 99.99%), Erbium trioxide (Er 2 o 3 , 3N), ytterbium trioxide (Yb 2 o 3 , 3N), tungsten trioxide (WO 3 , 99.8%) as the raw material, weigh the raw material according to the stoichiometric ratio, put it into an agate mortar, mix it evenly with alcohol as a solvent, and grind it for 3.5 hours, and put the powder obtained after drying the alcohol into a muffle furnace in the air Pre-fired, the pre-fired temperature is 750°C, the heating rate is 3°C / min, keep the temperature for 4 hours, and then cool down with the furnace to obtain the pre-fired powder. Put the calcined powder into an agate mortar and add an appropriate amount of absolute ethanol and grind it for 2 hours to dry powder. Add an appropriate amount of polyvinyl alcohol (PVA) with ...
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