A phosphor for a UV emitting device and a UV generating device utilizing such a phosphor
A technology for generating devices and emitting devices, applied in the field of phosphors, which can solve the problems of being expensive to use, not significantly increasing radiation output, and not showing long-term stability
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Embodiment 1
[0037]Example 1: NA 1.05 CA 0.9 PO 4 : PR 3+ 0.05 Preparation and its properties
[0038] Powder-like ligator Na 2 CO 3 (1.3911G, 13.12mmol), Caco 3 (2.2520G, 22.20mmol), NH 4 Hide 2 PO 4 (2.8758g, 25.00mmol) and PR 6 O 11 (0.2128 g, 0.21 mmol) was added to the polyethylene (PE) bottle, and several millilitellions were added, and it was placed on the roller tape to continue to roll for 16 hours, sufficiently ground into a uniform mixture. After complete evaporation of ethanol, the resulting mixture was transferred to a porcelain crucible and annealed at 900 ° C for 3 hours at ambient atmosphere. After the first annealing step, the sample material is homogenized using the above-described roller conveyor belt method. After drying, transfer the resulting pulverized sample to the corundane crucible and at 5% h. 2 The atmosphere was heated at 1300 ° C for 3 hours. The resulting light green powder is pure NACAPO with the corresponding matching of the reference spectrum from the PCD dat...
Embodiment 2
[0040] Example 2: K 1.01 SR 0.98 PO 4 : PR 3+ 0.01 Preparation and its properties
[0041] Powder-like chromatography k 2 CO 3 (1.0469g, 7.58mmol), SRCO 3 (2.1702g, 14.70mmol), NH 4 Hide 2 PO 4 (1.7255g, 15.00mmol) and PR 6 O 11 (0.0255 g, 0.025 mmol) was added to the polyethylene (PE) bottle, and a few millilitellions were added, and it was placed on the drum tape to continue to roll for 16 hours, sufficiently ground into a homogeneous mixture. After the ethanol was completely evaporated, the resulting mixture was transferred to a porcelain crucible and annealed at 900 ° C for 3 hours under ambient atmosphere. After the first annealing step, the sample material is homogenized again using the above-described roller conveyor belt method. After drying, transfer the resulting pulverized sample to the corundum, and at 5% h 2 The atmosphere was heated at 1300 ° C for 3 hours. By PXRD and correspondence matching with reference spectrum from the PCD database entry (PCD entry number: 141...
Embodiment 3
[0043] Example 3: NA 1.01 SR 0.98 PO 4 : PR 3+ 0.01 Preparation and its properties
[0044] Powder-like ligator Na 2 CO 3 (1.3381G, 12.62mmol), SRCO 3 (3.6169g, 24.50mmol), NH 4 Hide 2 PO 4 (2.8758g, 25mmol) and PR 6 O 11 (0.0426 g, 0.041 mmol) was added to the polyethylene (PE) bottle, and several millilitar ethanol was added, and it was placed on the drum tape to continue to roll for 16 hours, sufficiently ground into a homogeneous mixture. After the ethanol was completely evaporated, the resulting mixture was transferred to a porcelain crucible and annealed at 900 ° C for 3 hours under ambient atmosphere. After the first annealing step, the sample material is homogenized again using the above-described roller conveyor belt method. After drying, the resulting pulverized sample was transferred to the corundane jade crucible and at 1300 ° C, 5% h. 2 Heat was heated for 3 hours in the atmosphere. Through the matching spectrum of the reference spectrum from the PCD database entry (...
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