Ba2ZnS3:Ce, Ag phosphors, emitting bluish to yellowish-green light, were synthesized by a double-crucible method. X-ray diffraction results indicate that the raw materials were completely sulfurized at 1000 degrees C for 2 h, and all samples had a orthorhombic crystal structure with doping 0.1-1 mol % Ce3+ and codoping 0-0.2 mol % Ag+. The emission spectra resulted from (i) host-activator transition and (ii) D-2(5d)-F-7(5/2)(4f) and D-2(5d)-F-7(7/2) (4f)Ce3+ transitions. The photoluminescence spectra show that the emission peaks in the 494- 508 nm range (excited at lambda(exc) = 420 nm) and in the 493-537 nm range (excited around lambda(exc) = 356 nm), like the CIE color coordinate, depend on the doping concentration of the Ce3+ and Ag+ ions. (c) 2005 The Electrochemical Society.