Two-dimensional and three-dimensional ZnO nanostructures induced by twinnings

被引：8

作者：

Chen, Yuxi ^{[1
]}

Xing, Qingfeng

Guo, Shengwu

机构：

[1] Xi An Jiao Tong Univ, State Key Lab Mech Behav Mat, Xian 710049, Peoples R China

[2] Univ New Orleans, Adv Mat Res Inst, New Orleans, LA 70148 USA

来源：

NANOTECHNOLOGY | 2007年 / 18卷 / 24期

关键词：

D O I：

10.1088/0957-4484/18/24/245607

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

A variety of two-dimensional and three-dimensional ZnO nanostructures induced by five types of twinning have been synthesized using a thermal evaporation approach. Self-assembled ZnO nanostructures induced by [01 (1) over bar(1) over bar]/{01 (1) over bar2} and [2 (1) over bar(1) over bar3]/{(2) over bar 112} twinnings are dominant in the products. ZnO nanostructures self-assembled by [03 (3) over bar(2) over bar]/{01 (1) over bar3}, [01 (1) over bar2]/{01 (1) over bar1} and [4 (2) over bar(2) over bar3]/{(2) over bar 114} twinnings constitute a low fraction of the total. The sizes of the self-assembled ZnO nanostructures are determined by the polarity-induced fast [0001] growth of the ZnO nanoneedle building blocks. The configurations and morphologies are determined by twinning type. Twinning is proved to be an effect method to self-assemble ZnO nanoneedle building blocks into two-dimensional and three-dimensional nanostructures with different configurations and morphologies.

引用

页数：5

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