Au-induced encapsulation of Ge nanowires in protective C shells

被引：42
|
作者：
Sutter, Eli [1 ]
Sutter, Peter [1 ]
机构：
[1] Brookhaven Natl Lab, Ctr Funct Nanomat, Upton, NY 11973 USA
来源：
ADVANCED MATERIALS | 2006年 / 18卷 / 19期
关键词：
D O I：
10.1002/adma.200600624
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
In situ annealing experiments (in the temperature range between room temperature and 400 degrees C) in a transmission electron microscope show that Ge nanowires can be encapsulated in graphitic C shells in the presence of C (see figure) if the wire surface is decorated with small amounts of Au. The C shells are demonstrated to provide a protective barrier against nanowire oxidation even after prolonged exposure to ambient conditions.
引用
收藏
页码：2583 / +
页数：7
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