| 摘要 |
Upconversion fluorescent nano-structured material(s) comprising at least one compound of formula (M1)j(M2)kXn:(M3)q and at least one polymer, wherein: each X is the same or different and is selected from the group consisting of: halogen, O, S, Se, Te, N, P and As; each M1, if present, is the same or different and is selected from the group consisting of: Li, Na, K, Rb, Cs, Fr, Be, Mg, Ca, Sr, Ba, Ra, O and NH4; each M2 is the same or different and is a metal ion; each M3, independently, is the same or different and is selected from the group consisting of Sc, Y, La, Ce, Pr, Nd, Pm, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb and Lu; j is 0≦̸j≦̸10; k is 1≦̸k≦̸10; n is 1≦̸n≦̸10; and q is 1≦̸q≦̸10. In particular, the polymer is wherein the polymer soluble in polar solvents.
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