以硝酸铝为原料,采用乳液法制备了Al2O3:Pr3+荧光粉,对其结构、形貌、晶粒尺寸及发光性能进行了分析.研究了煅烧温度和Pr3+掺杂量对Al2O3:Pr3+荧光粉发光性能的影响.结果表明:采用乳液法制备工艺,经过1050℃煅烧2h,可以得到发光强度高的Al2O3:Pr3+荧光粉,其最佳激发波长为451nm,最佳掺杂量为lmol%Pr3+,此时最强的发射峰出现在676nm附近,可以用于红色发光材料.
参考文献
| [1] | 段国荣,杨绪杰,陆路德,汪信.溶胶-凝胶/共沸蒸馏法制备单相氧化锆超细粉[J].人工晶体学报,2006(02):327-331. |
| [2] | 周永慧,林君,张洪杰.纳米发光材料研究的若干进展[J].化学研究与应用,2001(02):117-122. |
| [3] | 周建国,李振泉,赵凤英,夏树屏,高世扬.纳米Y2O3∶Eu3+发光材料的研究综述[J].化工进展,2003(06):573-577. |
| [4] | 李强,高濂,严东生.稀土化合物纳米荧光材料研究的新进展[J].无机材料学报,2001(01):17-22. |
| [5] | Yang T;Wang H;Lei MK .Phase transition of Er3+-doped Al2O3 powders prepared by the non-aqueous sol-gel method[J].Materials Chemistry and Physics,2006(2/3):211-217. |
| [6] | Ciuffi KJ.;de Lima OJ.;Sacco HC.;Nassar EJ. .Eu3+ entrapped in alumina matrix obtained by hydrolytic and non-hydrolytic sol-gel routes[J].Journal of Non-Crystalline Solids: A Journal Devoted to Oxide, Halide, Chalcogenide and Metallic Glasses, Amorphous Semiconductors, Non-Crystalline Films, Glass-Ceramics and Glassy Composites,2002(1/3):126-133. |
| [7] | A.Pillonnet-Minardi;O.Marty;C.Bovier .Optical and structural analysis of Eu~3+-doped alumina planar waveguides elaborated by the sol-gel process[J].Optical materials,2001(1/2):9-13. |
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