| 均相共沉淀法制备氧化锌基红色荧光粉 |
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| 引用本文： | 胡文远,刘勋,杨定明,魏贤华.均相共沉淀法制备氧化锌基红色荧光粉[J].人工晶体学报,2009,38(5):1211-1215. |
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| 作者姓名： | 胡文远 刘勋 杨定明 魏贤华 |
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| 作者单位： | 西南科技大学材料科学与工程学院,绵阳,621010 |
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| 基金项目： | 国家自然科学基金(No.50802078);;西南科技大学青年预研基金项目(06ZX3129) |
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| 摘 要： | 以Zn(NO_3)_2·2H_2O、CO(NH_2)_2 、Eu(NO_3)_3·6H_2O和LiNO_3·2H_2O为原料,采用均相共沉淀制备了粒径为20～40 nm的Eu,Li共掺的纳米ZnO荧光粉,用SEM、XRD、TG-DSC、FL等检测手段对样品进行了表征.结果表明:样品的荧光性能与热处理温度及Eu,Li的掺杂比例密切相关,掺杂的ZnO荧光粉呈现出Eu的特征发射,其发射主峰位于611 nm处.
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| 关 键 词： | 均相共沉淀 ZnO 纳米 荧光 |
Preparation of ZnO Nano-phosphor Powders by Homogeneous Co-precipitation Method |
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| HU Wen-yuan,LIU Xun,YANG Ding-ming,WEI Xian-hua.Preparation of ZnO Nano-phosphor Powders by Homogeneous Co-precipitation Method[J].Journal of Synthetic Crystals,2009,38(5):1211-1215. |
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| Authors: | HU Wen-yuan LIU Xun YANG Ding-ming WEI Xian-hua |
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| Institution: | School of Materials Science and Engineering;South West University of Science and Technology;Mianyang 621010;China |
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| Abstract: | The nano-phosphor powders of Eu, Li co-doped ZnO were prepared by homogeneous co-precipitation and thermal decomposition method using Zn(NO_3)_2·2H_2O,CO(NH_2)_2,Eu(NO_3)_3·6H_2O and LiNO_3·2H_2O as raw materials. The characteristics of samples were investigated by means of TG-DSC, XRD, SEM, FL. The results showed that the samples exhibited normal size distribution, whose size was about 20～40 nm. The photoluminescence intensity of samples was interrelated with thermal decomposition temperature, ratio of Li and Eu. The maximum emission spectra peak of samples was at λ_(em)=611 nm with 463 nm excitation, corresponding to ~5D_0→~7F_2 transition of Eu. |
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| Keywords: | homogeneous co-precipitation ZnO nanopowders photo luminescence |
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