Fast synthesis and morphology control of lead tungstate microcrystals via a microwave-assisted method

被引：16
作者：
Wang, Guizhen [1 ]
Hao, Chuncheng [1 ]
机构：
[1] Qingdao Univ Sci & Technol, Key Lab Nanostruct Mat, Qingdao 266042, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2009年 / 44卷 / 02期
关键词：
Inorganic compounds; Chemical synthesis; Electron microscopy; Luminescence; Microstructure; SCINTILLATING CRYSTALS; PBWO4; CRYSTALS; NANOCRYSTALS; GROWTH; EVOLUTION; ROUTE;
D O I：
10.1016/j.materresbull.2008.04.021
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Lead tungstate (PbWO4) microcrystals with different morphologies, such as tetragonal flowerlike, amygdaloidal, and multiple-lamellar, have been successfully synthesized via a simple microwave-assisted method. Various factors, such as the pH value and the concentration of the cetyltrimethylammonium bromide (CTAB), play an important role in the morphological control of PbWO4 microcrystals. The products were characterized by the techniques of powder X-ray diffraction, field emission scanning electron microscopy, and transmission electron microscopy. The possible formation mechanisms of PbWO4 samples of various morphologies were discussed. The luminescence properties of the final products were investigated and the as-prepared PbWO4 microcrystals showed special room-temperature photoluminescence intensity compared to the solid structures. (C) 2008 Elsevier Ltd. All rights reserved.
引用
收藏
页码：418 / 421
页数：4
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