Spindle-rod-shaped MgAl2O4: Tb < 3 + > fluorescent powder and preparation method thereof
The invention mainly relates to spindle-rod-shaped MgAl2O4: Tb < 3 + > fluorescent powder with special morphology and a preparation method, and is suitable for the fields of solid-state display devices and the like. The fluorescent powder is spindle-rod-shaped MgAl2O4: Tb < 3 + > fluores...
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| creator | LU YANG WANG FUDONG HAO CHUNLAI ZHANG JIAMING YANG JIAN HE LIJIE |
| description | The invention mainly relates to spindle-rod-shaped MgAl2O4: Tb < 3 + > fluorescent powder with special morphology and a preparation method, and is suitable for the fields of solid-state display devices and the like. The fluorescent powder is spindle-rod-shaped MgAl2O4: Tb < 3 + > fluorescent powder, and is a down-conversion luminescent material taking magnesium aluminate spinel MgAl2O4 as a matrix and Tb < 3 + > as an activating agent. According to the preparation method, ammonium fluoride is added as a reaction aid, a hydrothermal-assisted light burning method under an F-system is constructed, and finally the spindle-rod-shaped fluorescent powder with a special morphology is generated. Compared with other preparation methods, the fluorescent powder prepared by the method disclosed by the invention is more single and uniform in morphology and free of impure phase characteristics, the overall luminescence performance of the fluorescent powder is improved, and cold green light emission with a high color tempera |
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The fluorescent powder is spindle-rod-shaped MgAl2O4: Tb < 3 + > fluorescent powder, and is a down-conversion luminescent material taking magnesium aluminate spinel MgAl2O4 as a matrix and Tb < 3 + > as an activating agent. According to the preparation method, ammonium fluoride is added as a reaction aid, a hydrothermal-assisted light burning method under an F-system is constructed, and finally the spindle-rod-shaped fluorescent powder with a special morphology is generated. 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| title | Spindle-rod-shaped MgAl2O4: Tb < 3 + > fluorescent powder and preparation method thereof |
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