There are two types of Pr3+ ion in the Pr3+ doped oxyfluoride glass containing LaF3 nanocrystal: the lowest 4f5d state of Pr3+ in LaF3 nanocrystal is located en
Long-lasting SrAl2O4∶Eu, Dy phosphor was successfully prepared from a mesoporous precursor. The precursor was synthesized by templating method using nonionic P