Synthesis and characterization of nano/microstructured crystalline germanium dioxide with novel morphology

作     者：WANG XiaoYan DUAN Lian DONG GuiFang WEI Peng WANG Wei WANG LiDuo QIU Yong 

作者机构：Key Laboratory of Organic Optoelectronics and Molecular Engineering of the Ministry of Education Department of ChemistryTsinghua University Beijing 100084 China 

出 版 物：《Chinese Science Bulletin》 (CHINESE SCIENCE BULLETIN)

年 卷 期：2009年第54卷第16期

页      面：2810-2813页

核心收录：

学科分类：081702[工学-化学工艺] 08[工学] 0817[工学-化学工程与技术] 0805[工学-材料科学与工程（可授工学、理学学位）] 080502[工学-材料学] 

基　　金：Supported by the National Natural Science Foundation of China (Grant No. 50573039) Major State Basic Research Development Program of China (Grant No. 2006CB806200) 

主　　题：二氧化锗 分散形态 微结构 透射电子显微镜 扫描电子显微镜 表征 合成 结晶 

摘      要：Nano/micro-structured germanium oxide (GeO2) was prepared using GeCl4 and KOH by a simple solution method in alkalic alcoholic solution. Different morphologies of GeO2 were obtained by changing the reaction conditions. The effects of the reaction time, the concentration of the reactants, the reaction temperature and the dispersant upon the morphology of the deposited GeO2 have been investigated. The products were detected by X-ray diffraction (XRD), atomic force microscope (AFM), scanning electron microscope (SEM) and transmission electron microscope (TEM). Novel cross-like structures were obtained by using n-butylamine as the dispersant. The formation of the cross-like structures has been discussed and a solution-liquid-solid (SLS) mechanism was proposed.