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采用溶胶-凝胶法制备了Ca0.925-xZnxMoO4∶Eu3+0.075红色荧光粉,并对粉体的物相结构、发光性能、粒径方面进行研究.实验得出,适量的Zn2+取代Ca2+没有改变Ca0.925MoO4∶Eu3+0.075的晶体结构,而且明显提高了Ca0.925-MoO4∶Eu3+0.075的发光强度.同时,掺杂Zn2+可以使红色荧光粉Ca0.925-xZnxMoO4∶Eu3+0.075的电荷吸收带发生红移,Zn2+的最佳掺杂量为7%(原子分数).对Ca0.925MoO4∶Eu3+0.075和Ca0.855Zn0.07MoO4∶Eu3+0.075进行对比研究,得出Ca0.855 Zn0.07MoO4∶Eu3+0.075的粒径稍大,但是其发光性能优于Ca0.925MoO4∶Eu3+0.075.

参考文献

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