| MgO对Sr2SiO4:Eu2+荧光粉发光性质的影响 |
| |
| 引用本文： | 孙晓园,李春杰,贺小光,于立军,高允锋,骆永石,张家骅.MgO对Sr2SiO4:Eu2+荧光粉发光性质的影响[J].发光学报,2012,33(4):389-393. |
| |
| 作者姓名： | 孙晓园 李春杰 贺小光 于立军 高允锋 骆永石 张家骅 |
| |
| 作者单位： | 1. 长春师范学院 物理学院, 吉林 长春 130032;
2. 发光学及应用国家重点实验室 中国科学院长春光学精密机械与物理研究所, 吉林 长春 130033 |
| |
| 基金项目： | 吉林省科技发展计划项目(201101106);长春师范学院自然科学基金(长师院自科合字[2009]第007号;长师院自科合字政策[2010]第002号)资助项目 |
| |
| 摘 要： | 通过在Sr2SiO4:Eu2+荧光粉中加入MgO,提高了Sr2SiO4:Eu2+荧光粉的蓝光和黄光发射带的发射强度,研究了MgO浓度对Sr2SiO4:Eu2+荧光粉发光强度的影响。当Mg与Si的量比在1.0附近时,荧光粉的亮度较高,且发光颜色为白色。通过调节Sr2SiO4:yEu2+ ,MgO荧光粉中Eu2+的掺杂浓度,可以调节荧光粉的发光颜色。用Sr2SiO4:Eu2+ ,MgO和400 nm的InGaN管芯制备的白光LED,色坐标优于α'-Sr2SiO4:Eu2+和β-Sr2SiO4:Eu2+荧光粉制成的白光LED,显色指数和流明效率高于β-Sr2SiO4:Eu2+和α'-Sr2SiO4:Eu2+制成的白光LED。
|
| 关 键 词： | Sr2SO4：Eu2+ 荧光粉 发光 白光LED |
| 收稿时间： | 2011/12/23 |
Effect of MgO Doped Concentration on Luminescence Properties in Sr2SiO4∶Eu2+ Phosphor |
| |
| SUN Xiao-yuan,LI Chun-jie,HE Xiao-guang,YU Li-jun,GAO Yun-feng,LUO Yong-shi,ZHANG Jia-hua.Effect of MgO Doped Concentration on Luminescence Properties in Sr2SiO4∶Eu2+ Phosphor[J].Chinese Journal of Luminescence,2012,33(4):389-393. |
| |
| Authors: | SUN Xiao-yuan LI Chun-jie HE Xiao-guang YU Li-jun GAO Yun-feng LUO Yong-shi ZHANG Jia-hua |
| |
| Institution: | 1. Department of Physics, Changchun Normal University, Changchun 130032, China;
2. State Key Laboratory of Luminescence and Applications, Changchun Institute of Optics, Fine Mechanics |
| |
| Abstract: | MgO-doped Sr2SiO4∶Eu2+ phosphors were synthesized.The introduction of MgO strongly enhances the blue and yellow emission intensity of Sr2SiO4∶Eu2+ phosphors.The luminescence properties as a function of MgO and Eu2+ concentrations were studied.White light emission phosphors were obtained when the molar ratio of Mg and Si is around 1.0 under excitation of 400 nm.White light-emitting diode through the integration of InGaN near-UV chip and Sr2SiO4∶Eu2+,MgO phosphor was fabricated and exhibited better characteristic parameters than that of the α′-Sr2SiO4∶Eu2+ and β-Sr2SiO4∶Eu2+ phosphors. |
| |
| Keywords: | Sr2SiO4∶Eu2+ phosphor luminescence white light emitting diode |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
| 点击此处可从《发光学报》浏览原始摘要信息 |
| 点击此处可从《发光学报》下载免费的PDF全文 |
|
