Characterizing the Chiral Index of a Single‐Walled Carbon Nanotube
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Abstract
The properties of single‐walled carbon nanotubes (SWCNTs) mainly depend on their geometry. However, there are still formidable difficulties to determine the chirality of SWCNTs accurately. In this review, some efficient methods to characterize the chiral indices of SWCNTs are illuminated. These methods are divided into imaging techniques and spectroscopy techniques. With these methods, diameter, helix angle, and energy states can be measured. Generally speaking, imaging techniques have a higher accuracy and universality, but are time‐consuming with regard to the sample preparation and characterization. The spectroscopy techniques are very simple and fast in operation, but these techniques can be applied only to the particular structure of the sample. Here, the principles and operations of each method are introduced, and a comprehensive understanding of each technique, including their advantages and disadvantages, is given. Advanced applications of some methods are also discussed. The aim of this review is to help readers to choose methods with the appropriate accuracy and time complexity and, furthermore, to put forward an idea to find new methods for chirality characterization.Keywords
This publication has 170 references indexed in Scilit:
- Carbon Nanotubes: An Example of Multiscale Development—A Mechanistic View from the Subnanometer to the Meter ScaleAngewandte Chemie International Edition, 2013
- Direct Imaging of Covalent Bond Structure in Single-Molecule Chemical ReactionsScience, 2013
- Simultaneous detection of Raman scattering and near-infrared photoluminescence in one imaging microscopeReview of Scientific Instruments, 2012
- A review of methods for the accurate determination of the chiral indices of carbon nanotubes from electron diffraction patternsCarbon, 2011
- Resolving strain in carbon nanotubes at the atomic levelNature Materials, 2011
- Large-scale single-chirality separation of single-wall carbon nanotubes by simple gel chromatographyNature Communications, 2011
- “Cloning” of Single-Walled Carbon Nanotubes via Open-End Growth MechanismNano Letters, 2009
- Vacancy Migrations in Carbon NanotubesNano Letters, 2008
- Symmetry-, time-, and temperature-dependent strength of carbon nanotubesProceedings of the National Academy of Sciences, 2006
- Interband optical transitions in left- and right-handed single-wall carbon nanotubesPhysical Review B, 2004