A bridge role of Tb3 +in broadband excited Sr3Y(PO4)3:Ce3 +, Tb3 +, Sm3 +phosphors with superior thermal stability
文献类型：期刊论文
| 作者 | Leng, Zhihua1; Li, Liping1; Che, Xiangli2; Li, Guangshe1 |
| 刊名 | Materials and Design
 |
| 出版日期 | 2017 |
| 卷号 | 118页码:245-255 |
| ISSN号 | 02641275 |
| DOI | 10.1016/j.matdes.2017.01.038 |
| 英文摘要 | In this work, we report on a comprehensive study about the bridge role of Tb3 +in broadband excited Sr3Y(PO4)3:Ce3 +, Tb3 +, Sm3 +phosphors. With Tb3 +acting as an energy transfer bridge, Ce3 + → (Tb3 +)n → Sm3 +energy transfer process was utilized to circumvent Ce3 +-Sm3 +metal-metal charge transfer (MMCT) quenching in Sr3Y(PO4)3host. Sm3 +was efficiently sensitized by the broad absorption band (4f1 → 5d1transition) of Ce3 +in near-ultraviolet spectral region. The color tones of Sr3Y(PO4)3:Ce3 +, yTb3 +, zSm3 +phosphors were tuned from blue through green and finally to orange with increasing Tb3 +/Sm3 +doping concentration. Furthermore, energy transfer mechanisms from Ce3 +to Tb3 +(dipole-dipole mechanism) and Tb3 +to Sm3 +(exchange interaction) as well as the corresponding energy transfer efficiencies (higher than 90%) are systematically investigated. Sr3Y(PO4)3:0.02Ce3 +, 0.90Tb3 +, 0.02Sm3 +phosphor shows a thermal stability up to 493 K, superior to that in analogous reports. The quantum efficiency of Sr3Y(PO4)3:0.02Ce3 +, 0.90Tb3 +, 0.02Sm3 +phosphor with 315 nm excitation was calculated to be 60%. © 2017 Elsevier Ltd |
| 源URL | [http://ir.sic.ac.cn/handle/331005/25670]  |
| 专题 | 中国科学院上海硅酸盐研究所 |
| 作者单位 | 1.State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun; 130026, China; 2.State Key Lab of High Performance Ceramics and Superfine Microstructure Shanghai Institute of Ceramics, Chinese Academy of Sciences, China |
| 推荐引用方式 GB/T 7714 | Leng, Zhihua,Li, Liping,Che, Xiangli,et al. A bridge role of Tb3 +in broadband excited Sr3Y(PO4)3:Ce3 +, Tb3 +, Sm3 +phosphors with superior thermal stability[J]. Materials and Design,2017,118:245-255. |
| APA | Leng, Zhihua,Li, Liping,Che, Xiangli,&Li, Guangshe.(2017).A bridge role of Tb3 +in broadband excited Sr3Y(PO4)3:Ce3 +, Tb3 +, Sm3 +phosphors with superior thermal stability.Materials and Design,118,245-255. |
| MLA | Leng, Zhihua,et al."A bridge role of Tb3 +in broadband excited Sr3Y(PO4)3:Ce3 +, Tb3 +, Sm3 +phosphors with superior thermal stability".Materials and Design 118(2017):245-255. |
入库方式： OAI收割
来源：上海硅酸盐研究所
浏览0
下载0
收藏0
其他版本
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。