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Home / Applications / Single-Layer Carbon Nanotube

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  • Technique

Single-Layer Carbon Nanotube

By Heather Haffner

PDF IconDownload This Application

August 23, 2022

Introduction

Raman Spectrometers

Raman Spectrum of Carbon Nanotubes

NRS Series Raman Spectrometers
Jasco NRS Series Raman Spectrometers

The figure outlines a measurement example for single-layer carbon nanotubes. For single-layer carbon nanotubes, the breathing mode, which depends on tube diameter, is observed in the low wavenumber region (up to 250 cm-1). This mode exhibits an excitation wavelength dependence, enabling us to determine the nanotubes diameter by measuring the excitation wavelength dependence. Information on the crystallinity and its loss are obtained from the bands at ~ 1,600 cm-1and near 1,350 cm-1, which are attributed to the structure of graphite. Because measurement of these samples is easy with Raman spectroscopy, it is widely used to complement SEM and TEM measurements.

This document has been prepared based on information available at the time of publication and is subject to revision without notice. Although the contents are checked with the utmost care, we do not guarantee their accuracy or completeness. JASCO Corporation assumes no responsibility or liability for any loss or damage incurred as a result of the use of any information contained in this document. Copyright and other intellectual property rights in this document remain the property of JASCO Corporation. Please do not attempt to copy, modify, redistribute, or sell etc. in whole or in part without prior written permission.

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About the Author

JASCO Application Note

Single-Layer Carbon Nanotube

Introduction

Raman Spectrometers

Raman Spectrum of Carbon Nanotubes

NRS Series Raman Spectrometers
Jasco NRS Series Raman Spectrometers

The figure outlines a measurement example for single-layer carbon nanotubes. For single-layer carbon nanotubes, the breathing mode, which depends on tube diameter, is observed in the low wavenumber region (up to 250 cm-1). This mode exhibits an excitation wavelength dependence, enabling us to determine the nanotubes diameter by measuring the excitation wavelength dependence. Information on the crystallinity and its loss are obtained from the bands at ~ 1,600 cm-1and near 1,350 cm-1, which are attributed to the structure of graphite. Because measurement of these samples is easy with Raman spectroscopy, it is widely used to complement SEM and TEM measurements.

This document has been prepared based on information available at the time of publication and is subject to revision without notice. Although the contents are checked with the utmost care, we do not guarantee their accuracy or completeness. JASCO Corporation assumes no responsibility or liability for any loss or damage incurred as a result of the use of any information contained in this document. Copyright and other intellectual property rights in this document remain the property of JASCO Corporation. Please do not attempt to copy, modify, redistribute, or sell etc. in whole or in part without prior written permission.
28600 Mary’s Court, Easton, MD 21601 USA • (800) 333-5272 • Fax: (410) 822-7526 • jascoinc.com/applications

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