The Ba2Mg(PO4)2:Eu2+, Mn2+ phosphor is synthesized by a co-precipitation method. Crystal phase, morphology,
excitation and emission spectra of sample phosphors are analyzed by XRD, SEM and FL, respectively.
The results indicate particles synthesized by a co-precipitation method have a smaller size in
diameter than that synthesized by conventional solid-state reaction method. Emission spectra of
BMP:Eu2+, Mn2+ phosphor show a broad blue and a broad yellow emission bands with two peaks at about
456 nm and 575 nm under 380 nm excitation. An overlap between Eu2+ emission band and Mn2+ excitation
band proves the existence of energy transfer from Eu2+ to Mn2+. Emitting color of the BMP:Eu2+, Mn2+
phosphor could be tuned by adjusting relative contents of Eu2+ and Mn2+ owing to energy transfer formula.
Therefore, BMP:Eu2+, Mn2+ may be considered as a potential candidate for phosphor for near-UV
white LED.