Coherent Phonon Dynamics in Single-Walled Carbon Nanotubes Studied by Time-Frequency Two-Dimensional Coherent Anti-Stokes Raman Scattering Spectroscopy

被引：23

作者：

Ikeda, Katsuyoshi ^{[1
]}

Uosaki, Kohei ^{[1
]}

机构：

[1] Hokkaido Univ, Grad Sch Sci, Div Chem, Sapporo, Hokkaido 0600810, Japan

来源：

NANO LETTERS | 2009年 / 9卷 / 04期

关键词：

D O I：

10.1021/nl803027c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Coherent phonon dynamics in single-walled carbon nanotubes were studied using broadband coherent anti-Stokes Raman scattering microscopy in time-frequency domain. Zone-center G-phonons were coherently created by optical excitation with the relaxation time of 1.1 +/- 0.1 ps, while zone-boundary D-phonons showed incoherent behavior, indicating electron-phonon, electron-defect, and phonon-phonon interactions in semiconducting nanotubes.

引用

页码：1378 / 1381

页数：4

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