Photoluminescence degradation and color shift studies of annealed BaMgAl10O17:Eu2+ phosphor
文献类型：期刊论文
| 作者 | Zhang ZH(张占辉) ; Wang YH(王育华) ; Li XX(李小侠) ; Dou YK(都云昆) ; Liu WJ(刘文晶) |
| 刊名 | Journal of Luminescence
 |
| 出版日期 | 2007 |
| 卷号 | 122-123页码:1003-1005 |
| 关键词 | BaMgAl10O17:Eu2+ Thermal degradation Color shift |
| ISSN号 | 0022-2313 |
| 通讯作者 | 王育华 |
| 中文摘要 | The photoluminescence (PL) in UV and VUV regions, such as excitation and emission spectra, PL intensity, full-width at halfmaximum (FWHM) and chromaticity coordinates, of pre- and post-annealed BaMgAl10O17:Eu2+ (BAM) samples were investigated. The observed more PL degradation under VUV excitation was assigned to the formation of defects (extinction centers or new Eu2+ centers) which decreased the luminance efficiency of Eu2+ in mirror plane. The increasing y value of chromaticity coordinates that appeared in annealed samples under 147nm excitation was attributed to the migration of Eu2+ from mirror plane to spinel block, which induced long wavelength emission. Therefore, besides the well-accepted oxidation mechanism, the migration of Eu2+ also led to the decrease of blue luminescent centers, and there by is responsible for the PL degradation, too. The conclusion of this work revealed a more full-scale and precise mechanism of thermal degradation than the conventional one. |
| 学科主题 | 材料科学与物理化学 |
| 收录类别 | SCI |
| 资助信息 | NSFC (50272026);the National High Technology Research and Development Program of China (2003AA324020);the Excellent Young Teachers Program of MOE, China (2002);the Natural Science Foundation of Gansu Province (ZS031-A25-033-C) |
| 语种 | 英语 |
| 公开日期 | 2013-11-01 |
| 源URL | [http://210.77.64.217/handle/362003/4050]  |
| 专题 | 兰州化学物理研究所_固体润滑国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Zhang ZH,Wang YH,Li XX,et al. Photoluminescence degradation and color shift studies of annealed BaMgAl10O17:Eu2+ phosphor[J]. Journal of Luminescence,2007,122-123:1003-1005. |
| APA | 张占辉,王育华,李小侠,都云昆,&刘文晶.(2007).Photoluminescence degradation and color shift studies of annealed BaMgAl10O17:Eu2+ phosphor.Journal of Luminescence,122-123,1003-1005. |
| MLA | 张占辉,et al."Photoluminescence degradation and color shift studies of annealed BaMgAl10O17:Eu2+ phosphor".Journal of Luminescence 122-123(2007):1003-1005. |
入库方式： OAI收割
来源：兰州化学物理研究所
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