Self-assembled growth of coaxial crystalline nanowires

被引：37

作者：

Ho, GW

Wong, ASW

Wee, ATS

Welland, ME

机构：

[1] Univ Cambridge, Nanosci Ctr, Cambridge CB3 0FF, England

[2] Univ Cambridge, Dept Mat Sci & Met, Cambridge CB2 3QZ, England

[3] Natl Univ Singapore, Dept Phys, Singapore 117542, Singapore

[4] Natl Univ Singapore, Nanosci & Nanotechnol Initiat, Singapore 117542, Singapore

来源：

NANO LETTERS | 2004年 / 4卷 / 10期

关键词：

D O I：

10.1021/nl0491733

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Coaxial crystalline nanowires have been synthesized by chemical vapor deposition. Recrystallization of a copper substrate provided a natural template for the self-assembled growth of nanowires. The core of the wires is made up of numerous faceted SiC nanowires typically 20-50 nm in diameter, encapsulated by larger hollow wires typically 0.2-1.0 mum in diameter. The nanowires are crystalline and catalyst free. A vapor-solid growth mechanism is proposed based on detailed morphology and structural characterization.

引用

页码：2023 / 2026

页数：4

共 22 条

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