TITLE

Environment effects on the Raman spectra of individual single-wall carbon nanotubes: Suspended and grown on polycrystalline silicon

AUTHOR(S)
Hyungbin Son; Hori, Yuki; Chou, S.G.; Nezich, D.; Sansonidze, Ge.G; Dresselhaus, G.; Dresselhaus, M.S.; Barros, Eduardo B.
PUB. DATE
November 2004
SOURCE
Applied Physics Letters;11/15/2004, Vol. 85 Issue 20, p4744
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
An enhanced Raman signal is observed from individual suspended single-wall carbon nanotubes (SWNTs) and from isolated SWNTs grown on an n-doped polycrystalline silicon film used in standard silicon processing. The radial breathing modes of the Raman spectra taken from suspended SWNTs exhibit narrow linewidths, which indicate a relatively unperturbed environment for suspended SWNTs. Clear Raman signals from intermediate frequency modes in the frequency range from 520 to 1200 cm-1 are presented, which might allow a detailed study of the phonon band structure of individual SWNTs.
ACCESSION #
15075038

 

Related Articles

  • Unique laser-scanning optical microscope for low-temperature imaging and spectroscopy. Zhang, Li; Aite, Saliha; Yu, Zhonghua // Review of Scientific Instruments;Aug2007, Vol. 78 Issue 8, p083701 

    Low-temperature optical characterization of single quantum nanostructures can reveal detailed information on structure-dependent properties of these materials. We describe the development of a unique laser-scanning optical microscope capable of low-temperature single molecule/particle imaging...

  • Preparation of parallel arrayed carbon nanotube film and its structure research. Li, Z.; Wang, M.; Yang, B.; Xu, Y. // Inorganic Materials;Jul2007, Vol. 43 Issue 7, p696 

    In an atmosphere of hydrogen and methane mixture, we have grown well-aligned carbon nanotube film on a Si slice by microwave plasma enhanced chemical vapor deposition. Observing and analyzing through SEM, TEM, and Raman spectra, we found that carbon nanotubes were vertically arrayed in the film....

  • Lack of dependence of the Raman frequency of optical vibrational modes on excitation wavelength in polar nanosemiconductors. Shu-Lin Zhang; Yanbin Zhang; Wei Liu; Zhengdong Fu; Yan Yan; Jing Chen; Rui Ma; Yang Song; Jun Zhao; Lv-Shun Xu; Songnan Wu; Min Gao; Hongdong Li; Yadong Li; Fangli Yuan // Applied Physics Letters;8/7/2006, Vol. 89 Issue 6, p063112 

    A lack of dependence of the Raman frequency of optical vibrational modes on excitation wavelength in polar nanosemiconductors was observed. This is in contrast to the earlier observed dependence in nonpolar nanomaterials: carbon nanotubes and Si nanowires. This difference has been ascribed to...

  • Surface enhanced Raman scattering from multiwalled carbon nanotubes at low temperatures. Gohil, Smita; Ghosh, Shankar // Applied Physics Letters;4/5/2010, Vol. 96 Issue 14, p143108 

    We report temperature dependent Raman spectra of multiwalled carbon nanotubes deposited as dilute dispersions on surface enhanced Raman scattering active substrate. At low temperature, i.e, below 30 K both the tangential and the disorder mode acquire additional spectral features which are...

  • Variable-range hopping in Fe70Pt30 catalyzed multi-walled carbon nanotubes film. Aggarwal, M.; Khan, S.; Husain, M.; Ming, T. C.; Tsai, M. Y.; Perng, T. P.; Khan, Z. H. // European Physical Journal B -- Condensed Matter;Dec2007, Vol. 60 Issue 3, p319 

    Using low-pressure chemical vapour deposition (LPCVD), multi-walled carbon nanotubes (MWNTs) are grown on nanocrystalline Fe70Pt30 film. The Fe70Pt30 nanocrystalline film is deposited by vapour condensation technique. The size of the nanoparticles varies from 5–10 nm, as inferred from SEM...

  • Raman and SERS Studies of Single-walled Carbon Nanotubes and Nanotubes/Conjugated Polymers Composites. Lefrant, S.; Buisson, J. P.; Mevellec, J. Y.; Baibarac, M.; Baltog, I. // AIP Conference Proceedings;9/19/2007, Vol. 935 Issue 1, p26 

    In this paper, we recall the main characteristics of Raman spectra of single-walled carbon nanotubes. We illustrate our studies by results obtained on HiPCO samples on one hand, and “arc electric” samples on the other hand by using two different excitation wavelengths. We focus on...

  • Concentration of C60 Molecules in SWCNT. Pfeiffer, R.; Pichler, T.; Holzweber, M.; Plank, W.; Kuzmany, H.; Kataura, H.; Luzzi, D. E. // AIP Conference Proceedings;2002, Vol. 633 Issue 1, p108 

    Recently, it was possible to fill single wall carbon nanotubes with C[SUB60] fullerenes resulting in carbon structures with new and interesting properties (so-called C[SUB60] peapods). All Raman allowed modes of the free C[SUB60] were identified for the encaged C[SUB60]. In this contribution we...

  • Disorder Induced Triple Resonant Raman Phenomena in Single-Wall Carbon Nanotubes. Kürti, J.; Zólyomi, V.; Grüneis, A.; Kuzmany, H. // AIP Conference Proceedings;2002, Vol. 633 Issue 1, p347 

    The disorder induced D band and its overtone, the D* band (not disorder induced, sometimes also called G') in the Raman spectrum of single wall carbon nanotubes (SWCNTs) were investigated theoretically and experimentally. The measured peak positions vs. laser excitation energy (E[SUBlaser])...

  • A preservation study of carbon nanotubes in alumina-based nanocomposites via Raman spectroscopy and nuclear magnetic resonance. Thomson, K. E.; Jiang, Dongtao; Ritchie, R. O.; Mukherjee, A. K. // Applied Physics A: Materials Science & Processing;Nov2007, Vol. 89 Issue 3, p651 

    Raman spectroscopy was used to study the preservation of the carbon nanotube structure in nanotube-reinforced alumina nanocomposites consolidated via spark plasma sintering (SPS). A series of Raman spectroscopy experiments was used to identify the thermal breakdown temperature of single-walled...

Share

Read the Article

Courtesy of VIRGINIA BEACH PUBLIC LIBRARY AND SYSTEM

Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics