LUMINESCENT MATERIAL AND PREPARATION METHOD THEREOF
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United States of America
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Jan 23, 2020
app pub date -
Jul 16, 2019
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Jul 16, 2019
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Abstract
The present application relates to a luminescent material and a preparation method thereof. The luminescent material having a chemical formula of M1-x-y-zNbO3:xPr,yEr, where M is alkali metal element, 0.001≤x≤0.05, 0.001≤y≤0.1, and −0.05≤z≤0.05. The luminescent material is a dual-lifetime (fluorescence and long-lasting luminescence) and colorful (red, orange, yellow, yellow green and green) renewable luminescent material that respond to multiple stimulation (heat, force and light), and has a characteristic of multidimensional identifiability such as excitation mode, luminescence lifetime and luminescence color.
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