Size control of ZnO nanoparticles via thermal decomposition of zinc acetate coated on organic additives

被引：229

作者：

Yang, Y

Chen, HL

Zhao, B

Bao, XM

机构：

[1] Nanjing Univ, Dept Chem, State Key Lab Coordinat Chem, Nanjing 210093, Jiangsu, Peoples R China

[2] Nanjing Univ, Dept Phys, Natl Lab Solid State Microstruct, Nanjing 210093, Jiangsu, Peoples R China

来源：

JOURNAL OF CRYSTAL GROWTH | 2004年 / 263卷 / 1-4期

基金：

高等学校博士学科点专项科研基金; 中国国家自然科学基金;

关键词：

optical properties; thermal decomposition; nanoparticles; ZnO;

D O I：

10.1016/j.jcrysgro.2003.12.010

中图分类号：

O7 [晶体学];

学科分类号：

0702 ; 070205 ; 0703 ; 080501 ;

摘要：

In this study, different organic additives such as beta-cyclodextrin (beta-CD), amylose, and poly(ethylene oxide) polymer (PEO) are selected, respectively, to coat zinc acetate in order to investigate their roles on the thermal decomposition process of the precursor. Accordingly, the morphology and size of the produced ZnO nanoparticles are strongly affected by the existence of organic additives through XRD analyses and TEM observations. Among the selected additives, beta-CD is proved to be the most favorable for the preparation of uniform ZnO nanoparticles. Besides, the size of ZnO can be controlled by changing the beta-CD/zinc acetate concentration ratio. The possible formation mechanism of ZnO nanoparticles by the coating of the above organic additives on zinc acetate in thermolysis is also discussed. (C) 2003 Elsevier B.V. All rights reserved.

引用

页码：447 / 453

页数：7

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