Carbon nanotube population analysis from Raman and photoluminescence intensities

被引:47
作者
Jorio, A [1 ]
Fantini, C
Pimenta, MA
Heller, DA
Strano, MS
Dresselhaus, MS
Oyama, Y
Jiang, J
Saito, R
机构
[1] Univ Fed Minas Gerais, Dept Fis, BR-30123970 Belo Horizonte, MG, Brazil
[2] Univ Illinois, Dept Chem, Dept Chem & Biomol Engn, Urbana, IL 61801 USA
[3] MIT, Dept Phys, Cambridge, MA 02139 USA
[4] MIT, Dept Elect Engn & Comp Sci, Cambridge, MA 02139 USA
[5] Tohoku Univ, Dept Phys, Sendai, Miyagi 9808578, Japan
[6] JST, CREST, Sendai, Miyagi 9808578, Japan
基金
美国国家科学基金会;
关键词
D O I
10.1063/1.2162688
中图分类号
O59 [应用物理学];
学科分类号
摘要
In the absence of standard single-wall carbon nanotube samples with a well-known (n,m) population, we provide both a photoluminescence excitation (PLE) and resonance Raman scattering (RRS) analysis that together can be used to check the calculations for PLE and RRS intensities for carbon nanotubes. We compare our results with available models and show that they describe well the chirality dependence of the intensity ratio, confirming the differences between type 1 and type 2 semiconducting tubes [(2n+m) mod 3]=1 and 2, respectively, and the existence of a node in the radial breathing mode intensity for type 2 carbon nanotubes with chiral angles between 20 degrees and 25 degrees.
引用
收藏
页码:1 / 3
页数:3
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