采用高温固相法合成了Ca3 (PO4)2∶RE3+ (RE=Eu,Dy,Ce,Tb)系列发光材料,研究了其发光性质.研究表明Ca3(PO4)2∶ RE3+在紫外区域均能有效被激发,有很强的荧光发射,且发光范围覆盖蓝到红光波段,是一类可以紫外激发实现白光LED用的潜在荧光粉.在0.005～0.03 mol浓度范围内,Eu,Dy和Ce掺杂的荧光粉的发光都发生了浓度淬灭,分别对应于0.025 mol,0.025 mol和0.02 mol,而Tb3+掺杂样品表现出高的发光淬灭浓度.
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