A novel one-step method to synthesize nano/micron-sized ZnO sphere

被引：54
|
作者：
Xu, Shuang [1 ]
Li, Zi-Heng [1 ,2 ]
Wang, Qun [3 ]
Cao, Li-Jun [1 ]
He, Tian-Min [1 ]
Zou, Guang-Tian [2 ]
机构：
[1] Jilin Univ, Coll Phys, Changchun 130021, Peoples R China
[2] Jilin Univ, Natl Key Lab Superhard Mat, Changchun 130012, Peoples R China
[3] Jilin Univ, State Key Lab Inorgan Synth & Preoperat Chem, Coll Chem, Changchun 130012, Peoples R China
来源：
JOURNAL OF ALLOYS AND COMPOUNDS | 2008年 / 465卷 / 1-2期
基金：
中国博士后科学基金;
关键词：
Semiconductors; Optical properties; Scanning electron microscopy;
D O I：
10.1016/j.jallcom.2007.10.095
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
This paper presents a novel one-step method to synthesize nano/micron-sized ZnO spheres assembled from the aggregation of nano-particles. It was observed that ZnO spheres with controllable diameter were obtained when various volume ratios of triethanolamine (TEA) to H2O were used. Increasing the volume ratio of TEA to H2O Could favor the formation of densely packed ZnO spheres. The UV-vis absorption spectra show that the absorption peak red-shifts with the increasing average diameter of the spheres. On the basis of the experimental results, we proposed a possible mechanism to elucidate the formation of ZnO spheres. (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：56 / 60
页数：5
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