本发明公开了一种掺锰的深红光荧光粉材料及其制备方法,其化学通式为:A2‑2xCaB’1‑xO6:2xR3+,xMn4+,其中:A为Sr、Ba的其中一种;B’为Mo、W的其中一种;R为La、Gd、Eu、Y、Sm、Nd、Dy其中一种;x取值范围为0.001≤x≤0.130。该方法采用固相反应法,以相关元素对应的碳酸盐和氧化物为原料,利用三价稀土离子平衡电荷,有效提升材料的荧光强度,制备出可被商用LED芯片激发的深红色荧光粉,作为灯用荧光粉可用于LED照明及助植物生长用人工光源领域。是利用三价稀土离子平衡电荷,可以有效提升材料的荧光强度。
The invention discloses a manganese-doped dark red phosphor material and a preparation method thereof, the chemical general formula of the manganese-doped dark red phosphor material is A<2-2x>CaB<'><1-x>O<6>: 2xR<3+>, xMn<4+>, wherein A is one of Sr and Ba; B'is one of Mo and W; R is one of La, Gd, Eu, Y, Sm, Nd and Dy; and 0.001<=x<=0.130. According to the method, a solid-phase reaction method isadopted, carbonate and oxide corresponding to related elements are used as raw materials, trivalent rare earth ions are used for balancing charges, the fluorescence intensity of the material is effectively improved, and the dark red fluorescent powder capable of being excited by a commercial LED chip is prepared and can be used in the field of LED lighting and artificial light sources for assisting plant growth as fluorescent powder for lamps. Trivalent rare earth ions are used for balancing charges, so that the fluorescence intensity of the material can be effectively improved.