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
收藏
页码：2023 / 2026
页数：4
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