Synthesis and photoluminescent properties of Eu3+-doped (1-x)CaO-xLi(2)O-WO3 phosphors
文献类型：期刊论文
| 作者 | Zhu, Chuqiao1,2; Xiao, Siguo1,2; Ding, Bjianwen1,2; Yang, Xiaoliang1,2; Qiang, Renfeng1,2 |
| 刊名 | MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS
 |
| 出版日期 | 2008-05-15 |
| 卷号 | 150页码:95-98 |
| 关键词 | Eul(3+) red-emitting phosphor white LED |
| ISSN号 | 0921-5107 |
| DOI | 10.1016/j.mseb.2008.03.015 |
| 英文摘要 | A series of Eu3+-activated (1 - x)CaO-xLi(2)O-WO3 phosphors have been synthesized by solid-state reaction method. The X-ray diffraction patterns of the powder samples indicate that the CaWO4:Eu3+ is of tetragonal structure. The introduction of a small amount of Li+ ions (x < 10 mol%) have not led to its structure transition. However, when the Li+ content is more than 10 mol%, the X-ray diffraction patterns show that cubic Li2WO4 and rhombohedral Li2WO4 apart from tetragonal CaWO4 appear in the samples. The photoluminescent properties of the samples have been further studied at various Li+ content. The predominant emission locates at 616 nm for all the samples, corresponding to the D-5(0) -> F-7(2) transition. It is found that the excitation intensities and thus the emission intensities firstly increases and then decreases with x increasing. The strongest emission at 616 nm appears at x = 0.5. Additionally, the excitation spectra reveal that the samples can strongly absorb ultraviolet (395 nm) and visible blue light (465 nm) and then transform the excitation energy to the red radiation. The excitation wavelengths at 395 and 465 nm are fitting-in with the widely applied Output wavelengths of ultraviolet or blue LED chips. It means that the Eu3+-doped CaO-Li2O-WO3 material might be a feasible candidate for solid-state lighting applications. (C) 2008 Published by Elsevier B.V. |
| WOS关键词 | ENERGY-TRANSFER ; LUMINESCENCE ; CRYSTALS |
| WOS研究方向 | Materials Science ; Physics |
| 语种 | 英语 |
| WOS记录号 | WOS:000257366800003 |
| 出版者 | ELSEVIER SCIENCE BV |
| 源URL | [http://119.78.100.186/handle/113462/29129]  |
| 专题 | 中国科学院近代物理研究所 |
| 通讯作者 | Xiao, Siguo |
| 作者单位 | 1.Xiangtan Univ, Key Lab Low Dimens Mat & Applicat Technol, Xiangtan 411105, Hunan, Peoples R China 2.Xiangtan Univ, Inst Modern Phys, Fac Mat & Photoelect Phys, Xiangtan 411105, Hunan, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhu, Chuqiao,Xiao, Siguo,Ding, Bjianwen,et al. Synthesis and photoluminescent properties of Eu3+-doped (1-x)CaO-xLi(2)O-WO3 phosphors[J]. MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS,2008,150:95-98. |
| APA | Zhu, Chuqiao,Xiao, Siguo,Ding, Bjianwen,Yang, Xiaoliang,&Qiang, Renfeng.(2008).Synthesis and photoluminescent properties of Eu3+-doped (1-x)CaO-xLi(2)O-WO3 phosphors.MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS,150,95-98. |
| MLA | Zhu, Chuqiao,et al."Synthesis and photoluminescent properties of Eu3+-doped (1-x)CaO-xLi(2)O-WO3 phosphors".MATERIALS SCIENCE AND ENGINEERING B-ADVANCED FUNCTIONAL SOLID-STATE MATERIALS 150(2008):95-98. |
入库方式： OAI收割
来源：近代物理研究所
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