The Ba2–xB2O5:xSm3+ phosphors were synthesized via the high temperature solid state reactions.The effect of the doping quantity of Sm3+ activator on the luminescence properties was investigated.The results indicate that the sample synthesized is a pure phase of Ba2B2O5.The main excitation peaks were located at 342 nm(6H5/2→4H9/2),359 nm(6H5/2→4D3/2),372 nm(6H5/2→6P7/2),400 nm(6H5/2→4F7/2),436 nm(6H5/2→4G9/2) and 450~510 nm(6H5/2→4I13/2,4I9/2,4I11/2,4G7/2),respectively.The main emission was located at 550–57...