Abstract
The IR-active vibrational modes of single-walled carbon nanotubes have been observed by optical transmission through thin films of bundled nanotubes. Because IR-active chemical functional groups, e.g., -COOH, -OH, might be attached to the tube walls and contribute additional spectral features, we have also studied the effects of chemical purification and long-term high-temperature vacuum annealing on the IR spectrum. Through comparison with theory, we are able to assign much of the sharp stucture observed in our IR spectra.
| Original language | English |
|---|---|
| Article number | 157402 |
| Journal | Physical Review Letters |
| Volume | 95 |
| Issue number | 15 |
| DOIs | |
| Publication status | Published - 2005 Oct 7 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
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Kim, U. J., Liu, X. M., Furtado, C. A., Chen, G., Saito, R., Jiang, J., Dresselhaus, M. S., & Eklund, P. C. (2005). Infrared-active vibrational modes of single-walled carbon nanotubes. Physical Review Letters, 95(15), [157402]. https://doi.org/10.1103/PhysRevLett.95.157402