Cantor Colburn LLP
Core/multi-shell upconversion fluoride nanophosphor exhibiting luminescence under various excitation wavelengths, and method of synthesizing the same
Provided is a fluoride nanophosphor using, as cores, luminescent nanoparticles expressed by Chemical Formula 1. LiEr1-x-yLyF4:Tm3+x  [Chemical Formula 1](In Chemical Formula 1, x is a real number satisfying 0≤x≤0.3, y is a real number satisfying 0≤y≤0.8 and is selected within a range satisfying 0≤x+y≤0.9, and L is any one selected from the group consisting of yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), ytterbium (Yb), lutetium (Lu), and a combination thereof.)
KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
B A A B C A C C B B C
B82Y A61K A61K B42D C09K A61K C09K C09K B82Y B82Y C09K
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Ho Seong A Ra Seung Yong So Hye
Jang Hong Lee Cho