-stacking interaction between carbon nanotubes and organic molecules
- 18 August 2005
- journal article
- Published by American Physical Society (APS) in Physical Review B
- Vol. 72 (7)
- https://doi.org/10.1103/physrevb.72.075431
Abstract
The π -stacking interaction between various planar organic molecules is investigated within the framework of ab initio calculations. The adsorption of these molecules on the sidewall of the cylindrical carbon structure induces a small binding energy compared to conventional covalent functionalization. Such a weak interaction is found to be only physisorption and leads to minor and predictable modifications of the electronic structure. These changes in the electronic behavior of the host carbon nanotube are ruled by the relative positions of the molecular levels of the isolated molecule and both the valence and conduction bands of the perfect tube. © 2005 The American Physical SocietyKeywords
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