| PDP用BAM蓝色荧光粉的制备及表面包覆 |
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| 引用本文： | 王娟娟,袁曦明,李予晋,王永钱,尚淑娟.PDP用BAM蓝色荧光粉的制备及表面包覆[J].液晶与显示,2010,25(2). |
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| 作者姓名： | 王娟娟 袁曦明 李予晋 王永钱 尚淑娟 |
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| 作者单位： | 1. 中国地质大学,教育部纳米矿物材料及应用工程研究中心,湖北,武汉,430074;中国地质大学材料科学与化学工程学院,湖北,武汉,430074
2. 吉林大学,测试中心,吉林,长春,130026 |
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| 基金项目： | 湖北省科技攻关计划，武汉市重大科技项目 |
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| 摘 要： | 采用高温固相法制备PDP用BAM(BaMgAl10O17∶Eu2+)蓝色荧光粉,并用硅酸钠对其进行表面包覆。采用PDP真空紫外测试系统、SEM、IR和XRD等分析手段对荧光粉的光学性能、形貌、结构等进行表征。结果表明:Sr2+、Ce4+、Zn2+和Mg2+的掺杂有效提高了荧光粉的相对发光强度(约为50%);BAM蓝色荧光粉表面包覆了一层致密的硅氧化合物无机膜,经过表面包覆后,荧光粉的热稳定性显著提高,包覆后亮度衰减比例降低了10%。
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| 关 键 词： | BAM蓝色荧光粉 表面包覆 相对发光强度 |
Preparation and Surface Coating of BAM Blue Phosphors |
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| WANG Juan-juan,YUAN Xi-ming,LI Yu-jin,WANG Yong-qian,SHANG Shu-juan.Preparation and Surface Coating of BAM Blue Phosphors[J].Chinese Journal of Liquid Crystals and Displays,2010,25(2). |
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| Authors: | WANG Juan-juan YUAN Xi-ming LI Yu-jin WANG Yong-qian SHANG Shu-juan |
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| Abstract: | BAM phosphors which were prepared by high temperature solid-state method were coated with Na2SiO3. The spectral properties, surface morphology and the crystal structure were characterized by PDP testing, SEM, IR and XRD, respectively. The results indicated that the relative luminescence intensity increased by 50% through ion doping of Sr2+ , Ce3+ ,Zn2+ and Mg2+. The surface of BAM phosphors was evenly coated by SiO2. The performance of anti-degradation has been significantly improved by surface coating. The attenuation of the relative luminescences intensity decreases about 10 %. |
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| Keywords: | SiO2 BAM blue phosphor SiO2 surface coating relative luminescence intensity |
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