Synthesis and luminescence properties of GdPO4 doped with europium ion nanocrystals

The hexagonal and monoclinic GdPO4 doped with europium ion nanocrystals were successfully synthesized by a hydrothermal method. Results show that the obtained Eu3+-doped GdPO4 has a hexagonal or monoclinic structure under different synthetically process. The properties of the Eu3+-doped GdPO4 nanocrystals were characterized by XRD, SEM and UV–Vis spectroscopy. A study of the photoluminescence of Eu3+-doped GdPO4 has revealed that the optical properties of these nanophosphors are strongly dependent on their crystal structures and morphologies.

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► GdPO4 doped with europium ion nanocrystals were successfully synthesized by a hydrothermal method.
► It is shown that the prepared Eu3+-doped GdPO4 has a hexagonal or monoclinic structure under different synthetically process.
► The luminescent properties of the nanophosphors are strongly dependent on their crystal structures and morphologies.