CO2 adsorption in single-walled carbon nanotubes
β Scribed by Martin Cinke; Jing Li; Charles W. Bauschlicher Jr.; Alessandra Ricca; M. Meyyappan
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 188 KB
- Volume
- 376
- Category
- Article
- ISSN
- 0009-2614
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β¦ Synopsis
Adsorption of CO 2 on purified single-walled carbon nanotubes (SWNTs) has been studied in the temperature range of 0-200 Β°C and found to be mainly a physisorption process. The SWNTs adsorb nearly twice the volume of CO 2 compared to activated carbon. The experimental results yield a CO 2 heat of adsorption of 2303 J/mol (0.024 eV) in SWNTs. Our computational study yields a similar binding energy and shows that the CO 2 is physisorbed side-on to the nanotube.
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