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Study of neon adsorption on carbon nanocones using molecular dynamics simulation

✍ Scribed by R. Majidi; K. Ghafoori Tabrizi

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
548 KB
Volume
405
Category
Article
ISSN
0921-4526

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✦ Synopsis

We have used molecular dynamics simulation to study Ne adsorption on carbon nanocones. Adsorption isotherms were obtained at several temperatures between 22.67 and 49.82 K. Adsorption coverage, isosteric heat, and binding energy were calculated. Adsorption was observed both inside and outside of an individual carbon nanocone. The results indicate that the saturation coverage and saturation pressure depend on temperature. At saturation conditions, the maximum values of interior and exterior coverages are 0.17 and 0.39 neon per carbon, respectively. The results are compared to Ne adsorption on open-ended single-walled carbon nanotubes. It is found that adsorption coverages on carbon nanocones are greater than those on carbon nanotubes. The isosteric heat and binding energy of neon adsorption on nanocones indicate that nanocones and nanotubes have highly desirable characteristics as an adsorbent.

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