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Coherent Electronic and Phononic Oscillations in Single-Walled Carbon Nanotubes SCIE SCOPUS

Title
Coherent Electronic and Phononic Oscillations in Single-Walled Carbon Nanotubes
Authors
Eom, IPark, SHan, HSYee, KJBaik, SHJeong, DYJoo, TLim, YS
Date Issued
2012-02
Publisher
American Chemical Society
Abstract
Free induction decay of the coherent electronic transition and coherent phonon oscillations of the radial breathing mode in single-walled carbon nanotubes are simultaneously observed via direct resonant excitation of the lowest E-11 optical transition in the near-infrared region from 0.939 to 1.1 eV. We show that coherent electronic oscillations corresponding to the detuning of the probe energy from resonance can be exploited for the chirality assignment of carbon nanotubes, together with the robust assignment of the coherent lattice vibrations resonantly excited by femtosecond pulses. Excitation spectra show a large number of pronounced peaks that map out chirality distributions in great detail.
Keywords
Free induction decay; coherent phonon; chirality; radial breathing mode; SWNT; TIME; FLUORESCENCE; SPECTROSCOPY; EXCITATION; MOLECULES; DYNAMICS; STATE; MODE
URI
https://oasis.postech.ac.kr/handle/2014.oak/16812
DOI
10.1021/NL203720N
ISSN
1530-6984
Article Type
Article
Citation
Nano Letters, vol. 12, no. 2, page. 769 - 773, 2012-02
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주태하JOO, TAIHA
Dept of Chemistry
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