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COMPOSITIONS COMPRISING HIGH LIGHT-OUTPUT YELLOW PHOSPHORS AND THEIR METHODS OF PREPARATION

2025-06-20 16:273440下载
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Embodiments of the present invention are directed to compositions and processing methods of rare-earth vanadate based materials that have high emission efficiency in a wavelength range of 480 to 700nm with the maximum intensity at 535nm (bright yellow) under UV, X-ray and other forms of high-energy irradiation. Embodiments of the present invention are directed to general chemical compositions of the form (Gd1-xAx)(V1-yBy)(O4-zCz), where A is selected from the group consisting of Bi, Tl, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Tb, Dy, Ho, Er, Tm, Yb, and Lu for 0
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