Solvothermal synthesis and characterization of crystalline CaWO4 nanoparticles

被引：76
|
作者：
Chen, SJ
Li, J
Chen, XT
Hong, JM
Xue, ZL
You, XZ [1 ]
机构：
[1] Nanjing Univ, State Key Lab Coordinat Chem, Nanjing 210093, Peoples R China
[2] Nanjing Univ, Inst Coordinat Chem, Nanjing 210093, Peoples R China
[3] Nanjing Univ, Analyt Ctr, Nanjing 210093, Jiangsu, Peoples R China
[4] Univ Tennessee, Dept Chem, Knoxville, TN 37996 USA
来源：
JOURNAL OF CRYSTAL GROWTH | 2003年 / 253卷 / 1-4期
基金：
美国国家科学基金会; 中国国家自然科学基金;
关键词：
characterization; growth from solutions; tungstates;
D O I：
10.1016/S0022-0248(03)01089-3
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
A solvothermal pathway has been applied to synthesize nanocrystalline CaWO4 in the presence of organic additives such as ethylene glycol, polyethylene glycol 200 (PEG-200) and polyethylene glycol 2000 (PEG-2000) at the different reactions. All products have been characterized by X-ray diffraction and transmission election microscopy. Crystalline nanorods of CaWO4 were produced in the presence of PEG-200 at 180degreesC and pH 9 for 14 h. However, spherical nanoparticles of CaWO4 were produced in the presence of ethylene glycol at 60-180degreesC or PEG-2000 at 180degreesC for 14 h. The luminescence properties of these nano-sized CaWO4 were studied. (C) 2003 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：361 / 365
页数：5
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