Strain measurements on individual single-walled carbon nanotubes in a polymer host: Structure-dependent spectral shifts and load transfer

被引：53

作者：

Leeuw, Tonya K. ^{[1
,2
]}

Tsyboulski, Dmitri A. ^{[1
,2
]}

Nikolaev, Pavel N. ^{[3
]}

Bachilo, Sergei M. ^{[1
,2
]}

Arepalli, Sivaram ^{[3
]}

Weisman, R. Bruce ^{[1
,2
]}

机构：

[1] Rice Univ, Dept Chem, Richard E Smalley Inst Nanoscale Sci & Technol, Houston, TX 77005 USA

[2] Rice Univ, Ctr Biol Environm Nanotechnol, Houston, TX 77005 USA

[3] NASA, Lyndon B Johnson Space Ctr, ERC Inc, Houston, TX 77058 USA

来源：

NANO LETTERS | 2008年 / 8卷 / 03期

关键词：

D O I：

10.1021/nl072861c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

The fluorescence spectra of individual semiconducting single-walled carbon nanotubes embedded in polymer films were measured during the application of controlled stretching and compressive strains. Nanotube band gaps were found to shift in systematic patterns that depend on the (n,m) structural type and are in excellent agreement with the predictions of theoretical models. Loss of nanotube - host adhesion was revealed by abrupt irregularities in plots of spectral shift vs strain.

引用

页码：826 / 831

页数：6

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