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

页码：2583 / +

页数：7

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