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A new approach to calculate the effective Ln–Ln energy transfer rates in a doped crystal matrices was proposed and successfully applied to the YVO4:Yb3+,Er3+ upconversion system. This approach is based on the known set of Ln–Ln distances obtained from the crystal structure of the matrix and the probabilities of their occurrence. The non-radiative energy transfer rates were calculated in the intermediate...
The 2D metal-organic framework (MOF) [Dy(DPA)(HDPA)] (where H2DPA=dipicolinic acid) was synthesized under hydrothermal conditions and exhibited a whitish yellow color (CIE coordinates: 0.362, 0.416) when excited at 365nm. This color arises from the simultaneous blue (4F9/2–6H15/2), yellow (4F9/2–6H13/2) and red (4F9/2–6H11/2) transitions of Dy3+. This MOF exhibited a high potential for use as a luminescent...
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