Pattern formation on carbon nanotube surfaces

Ewels, Chris P, Gregory, Van Lier, Charlier, Jean-Christophe, Heggie, Malcolm I and Briddon, Patrick R (2006) Pattern formation on carbon nanotube surfaces. Physical Review Letters, 96 (21). ISSN 00319007

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Calculations of fluorine binding and migration on carbon nanotube surfaces show that fluorine forms varying surface superlattices at increasing temperatures. The ordering transition is controlled by the surface migration barrier for fluorine atoms to pass through next neighbor sites on the nanotube, explaining the transition from semi-ionic low coverage to covalent high coverage fluorination observed experimentally for gas phase fluorination between 200 and 250°C. The effect of solvents on fluorine binding and surface diffusion is explored.

Item Type: Article
Schools and Departments: School of Life Sciences > Chemistry
Depositing User: Malcolm Heggie
Date Deposited: 06 Feb 2012 19:29
Last Modified: 03 Jul 2019 02:48

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