How evaporating carbon nanotubes retain their perfection?

被引：98
|
作者：
Ding, Feng
Jiao, Kun
Lin, Yu
Yakobson, Boris I. [1 ]
机构：
[1] Rice Univ, Dept Mech Engn & Mat Sci, Houston, TX 77005 USA
[2] Rice Univ, Dept Chem, Houston, TX 77005 USA
来源：
NANO LETTERS | 2007年 / 7卷 / 03期
关键词：
D O I：
10.1021/nl0627543
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We present a mechanism of high-temperature sublimation of carbon nanotubes that does not destroy their ordered makeup even upon significant loss of mass. The atoms depart to the gas phase from the pentagon-heptagon dislocation cores, while the bond disruption is immediately repaired, and the 5 parallel to 7 seamlessly propagate through the lattice. This explains a broad class of unsettled phenomena when at high temperature or under radiation the nanotubes do not become amorphous but rather shrink in size nearly flawlessly.
引用
收藏
页码：681 / 684
页数：4
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