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Due to the promising prospects of near-ultraviolet excitation of single-substrate white LED phosphors, a series of Ba 3 BP 3 O 12 :Eu 3+ ,Dy 3+  single white emitting phosphors were prepared by the conventional high temperature solid-state method in this article. This paper systematically studied the crystal structure, microscopic morphology, energy transfer mechanism and emission spectrum of the sample, and analyzed the effects of different temperature, holding time, charge compensator and rare earth ion doping on the luminescence performance of the sample. The CIE color coordinates were also calculated. The results show that Ba 3 BP 3 O 12 :Eu 3+ ,Dy 3+  phosphor can be used as a luminescent material on a near-ultraviolet excited white light LED.

Synthesis and luminescent properties of single white Ba 3 BP 3 O 12 :Eu 3+ ,Dy 3+ luminescent material for WLEDs