Effects of reaction time and citric acid contents on the morphologies of BaCO3 via PVP-assisted method

被引：24

作者：

Lv, Sa ^{[1
]}

Sheng, He ^{[1
]}

Zhang, Shuang ^{[1
]}

Sun, Wendong ^{[1
]}

机构：

[1] NE Normal Univ, Dept Chem, Changchun 130024, Jilin, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2008年 / 43卷 / 05期

关键词：

inorganic compound; crystal growth; infrared spectroscopy; X-ray diffraction; crystal structure;

D O I：

10.1016/j.materresbull.2007.06.013

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

BaCO3 with different morphologies, such as dumbbell-like, pillar-like, peanut-like and ellipsoid-like have been successfully synthesized using citric acid (CA) as chelating ligand via a simple polyvinylpyrrolidone (PVP)-assisted method. The effects of the pH of the starting solutions, reaction time and the molar ratio of CA/Ba2+ on the morphologies of BaCO3 were investigated. X-ray diffraction (XRD), transmission electron microscope (TEM) and the infrared (IR) spectrum of the sample are used to characterize the obtained products. (C) 2007 Published by Elsevier Ltd.

引用

页码：1099 / 1105

页数：7

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