Two-step synthesis of witherite and tuning of morphology

被引：15

作者：

Jiao, Jiqing ^{[1
]}

Liu, Xin ^{[1
]}

Gao, Wei ^{[1
]}

Wang, Chengwei ^{[1
]}

Feng, Huajie ^{[1
]}

Zhao, Xiaolan ^{[1
]}

Chen, Liuping ^{[1
]}

机构：

[1] Sun Yat Sen Univ, Sch Chem & Chem Engn, Guangzhou 510275, Guangdong, Peoples R China

来源：

MATERIALS RESEARCH BULLETIN | 2010年 / 45卷 / 02期

关键词：

Nanostructures; Crystal growth; Raman spectroscopy; Optical properties; BACO3; NANOSTRUCTURES; CARBON; MINERALIZATION; BROMIDE; POLYMER; CO2;

D O I：

10.1016/j.materresbull.2009.09.020

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Compared to conventional methods, a simple route is offered for synthesis of BaCO3 with CO2 and least energy consumption. And the morphology of BaCO3 was tuned by controlling reaction conditions. The Xray diffraction (XRD), Fourier transform infrared (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and selected area electron diffraction (SAED) were employed to characterize the products, the results showed that the products with various morphologies had the same crystal phase and growth direction. However, the distinct difference of the prepared products were determined by Raman and UV-vis spectra, showing shape-dependent optical properties. The results provide a useful model system for investigating the shape-dependent optical properties of carbonate nanocrystals. (C) 2009 Elsevier Ltd. All rights reserved.

引用

页码：181 / 185

页数：5

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