Programmable synthesis of shape-, structure-, and composition-modulated one-dimensional heterostructures by galvanic displacement reaction

被引：8

作者：

Jung, Hyunsung ^{[1
]}

Suh, Hoyoung ^{[2
]}

Hangarter, Carlos M. ^{[1
]}

Lim, Jae Hong ^{[1
]}

Lee, Young-In ^{[3
]}

Choa, Yong-Ho ^{[3
]}

Hong, Kimin ^{[2
]}

Myung, Nosang V. ^{[1
]}

机构：

[1] Univ Calif Riverside, Dept Chem & Environm Engn, Riverside, CA 92521 USA

[2] Chungnam Natl Univ, Dept Phys, Taejon 305764, South Korea

[3] Hanyang Univ, Dept Fine Chem Engn, Ansan 426791, South Korea

来源：

APPLIED PHYSICS LETTERS | 2012年 / 100卷 / 22期

基金：

新加坡国家研究基金会;

关键词：

OPTICAL-PROPERTIES; SELF-DIFFUSION; NANOWIRES; GROWTH; NANOSTRUCTURES; REDUCTIONS; SILICON; AG;

D O I：

10.1063/1.4722919

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

One-dimensional heterostructures consisting of periodically modulated bismuth telluride tube/wire were synthesized by galvanic displacement reaction of Co/Ni multi-segmented sacrificial nanowires. Utilizing the difference in redox potential and corrosion behavior of Co and Ni, segments, dimension, composition, and structure of the individual segments were also precisely engineered. The programmable ability to synthesize heterostructures with simultaneously modulation of various dimensions in ambient conditions may lead to an effective route to synthesize high performance nanodevices including nanoelectronics, optoelectronics, sensors, and thermoelectrics. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4722919]

引用

页数：4

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