Microwave Hydrothermal Synthesis and Characterization of ZnO Nanostructures in Aqueous Solution

doi:10.1007/s12204-012-1355-0

上海交通大学学报（英文版） ›› 2012, Vol. 17 ›› Issue (6): 734-737.doi: 10.1007/s12204-012-1355-0

Microwave Hydrothermal Synthesis and Characterization of ZnO Nanostructures in Aqueous Solution

GUO Li-tong1* (郭立童), WU Jing1 (武静), GUO Li-zhi2 (郭立芝),ZHU Ya-bo1 (朱亚波), XU Cheng1 (许程), QIANG Ying-huai1 (强颖怀)

(1. School of Materials Science & Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China; 2. School of Electronic Engineering, Xi’an Shiyou University, Xi’an 710065, China)

出版日期:2012-12-31 发布日期:2012-12-30
通讯作者: GUO Li-tong1* (郭立童) E-mail: guolitong810104@163.com

Microwave Hydrothermal Synthesis and Characterization of ZnO Nanostructures in Aqueous Solution

GUO Li-tong1* (郭立童), WU Jing1 (武静), GUO Li-zhi2 (郭立芝),ZHU Ya-bo1 (朱亚波), XU Cheng1 (许程), QIANG Ying-huai1 (强颖怀)

(1. School of Materials Science & Engineering, China University of Mining and Technology, Xuzhou 221116, Jiangsu, China; 2. School of Electronic Engineering, Xi’an Shiyou University, Xi’an 710065, China)

Online:2012-12-31 Published:2012-12-30
Contact: GUO Li-tong1* (郭立童) E-mail: guolitong810104@163.com

摘要/Abstract

摘要： ZnO nanostructures were prepared in aqueous solution by microwave hydrothermal synthesis. Xray diffraction (XRD) and field emission scanning electron microscopy (FESEM) were used to characterize ZnO nanostructures (ZNs). The effects of pH, reaction temperature and reaction time on yield of ZnO were investigated. The yield of ZnO increased significantly with the increase of pH value, reaction temperature and reaction time. High yield and well crystallinity of ZNs could be obtained at 120℃ for 60min by microwave hydrothermal synthesis. The spherical and rugby-like ZNs were obtained at 120℃ without triethanolamine (TEA) and with TEA (mass ratio, r = mZn2+ : mTEA = 1 : 1), respectively. The concentration of Zn(OH)2 4 ions in the reaction solution and TEA had an important effect on the nucleation and morphology of ZnO nanostructures. Mechanism for the formation of ZnO nanostructures was proposed.

关键词: ZnO, nanostructures, microwave hydrothermal, characterization

Abstract: ZnO nanostructures were prepared in aqueous solution by microwave hydrothermal synthesis. Xray diffraction (XRD) and field emission scanning electron microscopy (FESEM) were used to characterize ZnO nanostructures (ZNs). The effects of pH, reaction temperature and reaction time on yield of ZnO were investigated. The yield of ZnO increased significantly with the increase of pH value, reaction temperature and reaction time. High yield and well crystallinity of ZNs could be obtained at 120℃ for 60min by microwave hydrothermal synthesis. The spherical and rugby-like ZNs were obtained at 120℃ without triethanolamine (TEA) and with TEA (mass ratio, r = mZn2+ : mTEA = 1 : 1), respectively. The concentration of Zn(OH)2 4 ions in the reaction solution and TEA had an important effect on the nucleation and morphology of ZnO nanostructures. Mechanism for the formation of ZnO nanostructures was proposed.

Key words: ZnO, nanostructures, microwave hydrothermal, characterization

中图分类号:

TB 34

GUO Li-tong1* (郭立童), WU Jing1 (武静), GUO Li-zhi2 (郭立芝),ZHU Ya-bo1 (朱亚波), XU Cheng. Microwave Hydrothermal Synthesis and Characterization of ZnO Nanostructures in Aqueous Solution[J]. 上海交通大学学报（英文版）, 2012, 17(6): 734-737.

GUO Li-tong1* (郭立童), WU Jing1 (武静), GUO Li-zhi2 (郭立芝),ZHU Ya-bo1 (朱亚波), XU Cheng1 (许程), QIANG Ying-huai1 (强颖怀). Microwave Hydrothermal Synthesis and Characterization of ZnO Nanostructures in Aqueous Solution[J]. Journal of shanghai Jiaotong University (Science), 2012, 17(6): 734-737.

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Microwave Hydrothermal Synthesis and Characterization of ZnO Nanostructures in Aqueous Solution

Microwave Hydrothermal Synthesis and Characterization of ZnO Nanostructures in Aqueous Solution

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