Abstract：
This article presents the synthesis and photo-luminescence (PL) properties of Y2ZrjO-:Tb'+. The Tb'+-doped Y2Zr2O7 zirconates were successfully synthesizedby a hydrothermal process at 200 'C for 20 h. X-ray dif-fractometer (XRD) patterns revealed that all of the prod-ucts were phase-pure with the fluorite structure. PL studyshowed that the Y Zr,O-:Tb't phosphors exhibited obvi-ous PL emission peaks which located at 490, 545, 585,and 623nm; the dominant emission located at 545 nmis assigned to 5D4- 7F5transition. Furthermore, Tb3+_doping concentration strongly affected the PL properties,and the quenching concentration is 5 at.%.