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[1]李剑秋,黄志良*.掺Eu3+,Tb3+钨酸钙的共沉淀法制备及表征[J].武汉工程大学学报,2008,(04):76-78.
 LI Jian qiu,HUANG Zhi liang.Coprecipitation preparation and luminescence properties of calcium tungstate (CaWO4) doped with europium (Ⅲ) or terbium (Ⅲ)[J].Journal of Wuhan Institute of Technology,2008,(04):76-78.
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掺Eu3+,Tb3+钨酸钙的共沉淀法制备及表征
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2008年04期
页码:
76-78
栏目:
材料科学与工程
出版日期:
2008-04-30

文章信息/Info

Title:
Coprecipitation preparation and luminescence properties of calcium
tungstate (CaWO4) doped with europium (Ⅲ) or terbium (Ⅲ)
文章编号:
16742869(2008)04007603
作者:
李剑秋黄志良*
武汉工程大学材料学院,湖北 武汉 430074
Author(s):
LI Jianqiu HUANG Zhiliang
School of Material Science and Engineering, Wuhan Institute of Technology, Wuhan 430074; China
关键词:
钨酸钙掺杂稀土发光材料
Keywords:
CaWO4dopedrareearthoptical material
分类号:
Q 611. 4;Q 653
DOI:
-
文献标志码:
A
摘要:
采用共沉淀法成功制得了稀土Eu3+、Tb3+掺杂的CaWO4三原色荧光粉体.利用XRD表征产物的晶体结构,研究表明:由于Eu3+、Tb3+离子半径与Ca2+大小相当,稀土掺杂CaWO4的晶体结构并未引起其晶体结构的较大变化.荧光光谱仪测定样品的发光特性,结果表明:纯CaWO4产生430 nm波长蓝光,CaWO4:Tb3+产生543 nm波长绿光,而CaWO4:Eu3+则产生616 nm波长红光.
Abstract:
The CaWO4 tricolor phosphor powder doped with rareearth Eu3+,Tb3+ by coprecipitation preparation method are synthesized successfully. XRD are used to characterize of the crystal structure. Study shows that due to the size of Eu3+,Tb3+ ions, as large as the Ca2+,the rareearth doped into CaWO4 did not cause major changes. Using FTIR shows that the CaWO4 doped with rareearth Eu3+,Tb3+ makes the aberrance of the tetrahedron of WO2-4.PL was used for analyzing luminescent characteristic of samples. As a result, the single phase CaWO4 powder produce the blueray of 430 nm,CaWO4:Eu3+ powder radiated green luminescence of 543 nm,and CaWO4:Tb3+ powder will produce red lights of 616 nm.

参考文献/References:

[1]Mikhailik V B Kraus H,Miller G,et.al. Luminescence of CaWO4, CaMoO4, and ZnWO4 scintillating crystals under different excitations [J]. JOURNAL OF APPLIED PHYSICS,2005,97:08352310835238.
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[6]张中太,张俊芳.无机光致发光材料[M]. 北京:化学工业出版社,2005:6888.

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备注/Memo

备注/Memo:
收稿日期:20070924
基金项目:国家自然科学基金(50774055)、湖北省自然科学基金2005ABA024)、湖北省科技厅重大攻关项目(2006AA101C45)
作者简介:李剑秋(1985 ),男,湖北黄石人,硕士研究生.
研究方向:材料物理与化学.
*通信联系人:黄志良,男,博士,教授,硕士生导师.研究方向:功能材料.
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