采用液相沉淀法制备了近紫外光激发的颜色可调Sr₂SiO₄:0.06Gd³⁺,0.06Tb³⁺、Sr₂SiO₄:0.06Gd³⁺,0.06Eu³⁺和Sr₂SiO₄:0.06Gd³⁺,0.03Tb³⁺,0.03Eu³⁺荧光粉,利用XRD、SEM、荧光光谱以及色坐标分析研究了所制备荧光粉的结构、形貌和发光性能。XRD分析表明,Sr₂SiO₄:0.06Gd³⁺,0.06Tb³⁺、Sr₂SiO₄:0.06Gd³⁺,0.06Eu³⁺和Sr₂SiO₄:0.06Gd³⁺,0.03Tb³⁺,0.03Eu³⁺荧光粉样品属单斜晶系。荧光光谱分析表明,Sr₂SiO₄:Gd³⁺,Tb³⁺,Eu³⁺的激发光谱包括200～300 nm的宽带吸收峰和Tb³⁺、Eu³⁺的系列吸收峰。在243 nm、354 nm紫外光激发下,Sr₂SiO₄:0.06Gd³⁺,0.06Tb³⁺的发射光谱由Tb³⁺的⁵D₄→⁷F₆（490 nm,蓝绿光）、⁵D₄→⁷F₅（548 nm,绿光）和⁵D₄→⁷F₄（588 nm,黄光）跃迁发射峰组成。在243 nm、364 nm紫外光激发下,Sr₂SiO₄:0.06Gd³⁺,0.06Eu³⁺的发射光谱由Eu³⁺的⁵D₀→⁷F₁（591 nm,橙光）、⁵ D₀→⁷F₂（614 nm,红光）、⁵ D₀→⁷ F₃（652 nm,红光）跃迁发射峰组成。在243 nm、252 nm、364 nm紫外光激发下,Sr₂SiO₄:0.06Gd³⁺,0.03Tb³⁺,0.03Eu³⁺的发射光谱由Tb³⁺的⁵D₄→⁷F₆（490 nm,蓝绿光）、⁵D₄→⁷F₅（548 nm,绿光）、⁵ D₄→⁷F₄（588 nm,黄光）和Eu³⁺的⁵ D₀→⁷ F₁（591 nm,橙光）、⁵D₀→7F₂（614 nm,红光）、⁵D₀→7F₃（652 nm,红光）跃迁发射峰组成。色坐标分析表明,Sr₂SiO₄:0.06Gd³⁺,0.03Tb³⁺,0.03Eu³⁺是很好的近紫外光激发的三色发光荧光粉。