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.

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页码：681 / 684

页数：4

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