Localized Temperature and Chemical Reaction Control in Nanoscale Space by Nanowire Array

被引：55

作者：

Jin, C. Yan ^{[1
,2
]}

Li, Zhiyong ^{[3
]}

Williams, R. Stanley ^{[4
]}

Lee, K-Cheol ^{[5
]}

Park, Inkyu ^{[1
,2
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea

[2] Korea Adv Inst Sci & Technol, KI NanoCentury, Taejon 305701, South Korea

[3] Hewlett Packard HP Lab, Intelligent Infrastruct Lab, Palo Alto, CA 94304 USA

[4] Hewlett Packard HP Lab, NanoElect Res Grp, Palo Alto, CA 94304 USA

[5] KRISS, Div Phys Metrol, Taejon, South Korea

来源：

NANO LETTERS | 2011年 / 11卷 / 11期

基金：

新加坡国家研究基金会;

关键词：

Nanowire array; local heating; nanoscale chemical reaction; polymer decomposition; polymer cross-linking; metal oxide nanowire; SILICON NANOWIRES; MEMORY; SENSOR;

D O I：

10.1021/nl2026585

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

We introduce a novel method for chemical reaction control with nanoscale spatial resolution based on localized heating by using a well-aligned nanowire array. Numerical and experimental analysis shows that each individual nanowire, could be selectively and rapidly Joule heated for local and ultrafast temperature modulation in nanoscale space (e.g., maximum temperature gradient 2.2 K/nm at the nanowire edge; heating/cooling time < 2 mu s). By taking advantage of this capability, several nanoscale chemical reactions such as polymer decomposition/cross-linking and direct and localized hydrothermal synthesis of metal oxide nanowires were demonstrated.

引用

页码：4818 / 4825

页数：8

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