Self-assembly of semiconducting oxide nanowires, nanorods, and nanoribbons

被引：198

作者：

Wen, JG ^{[1
]}

Lao, JY

Wang, DZ

Kyaw, TM

Foo, YL

Ren, ZF

机构：

[1] Univ Illinois, Frederick Sietz Mat Res Lab, Urbana, IL 61801 USA

[2] Boston Coll, Dept Phys, Chestnut Hill, MA 02467 USA

来源：

CHEMICAL PHYSICS LETTERS | 2003年 / 372卷 / 5-6期

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/S0009-2614(03)00485-8

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：

We have synthesized three-dimensional self-assembled ZnO-based nanoscale heterostructures through the addition of alloying elements (In or Sn) during the vapor phase transport and condensation deposition process. Each three-dimensional nanoscale heterostructure consists of a faceted nanowire core, with side branches (nanoribbons or nanorods) emanating from facets of the central nanowire core. The central nanowire core can be either ZnO, (ZnO)(11)In2O3, or In2O3, depending on incoming flux composition ratio. The physical mechanism of branching stems from segregation of alloying elements to facets during the growth of the nanowire core, thus creating nucleation sites for side branches. (C) 2003 Elsevier Science B.V. All rights reserved.

引用

页码：717 / 722

页数：6

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