Determining the Diameter of Functionalized Single-Walled Carbon Nanotubes with 13 C NMR: A Theoretical Study
โ Scribed by Zurek, Eva; Pickard, Chris J.; Autschbach, Jochen
- Book ID
- 127306322
- Publisher
- American Chemical Society
- Year
- 2008
- Tongue
- English
- Weight
- 702 KB
- Volume
- 112
- Category
- Article
- ISSN
- 1932-7447
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We have performed 13 C nuclear magnetic resonance (NMR) measurements on single-walled carbon nanotubes. Spectrum, shift, linewidth, and T 1 have been measured as a function of temperature from 4.6 K to 200 K under the magnetic field of 4.7 T. Spectrum shows a narrow lineshape for the 13 C nucleus. S
## 13 C NMR spectra and spin-lattice relaxation times were measured for single-wall carbon nanotubes with 99.9 and 50.0% 13 13 13 C enrichments and natural abundance (1.1% C) prepared by catalytic decomposition of CH . The C isotropic shift is 4 about 116 ppm from tetramethylsilane, being estimate