Effects of surface heterogeneity of carbon nanotubes in adsorption of colloid nanoparticles studied by means of computer simulations

T Panczyk and W Rudzinski, ADSORPTION-JOURNAL OF THE INTERNATIONAL ADSORPTION SOCIETY, 19, 611-618 (2013).

DOI: 10.1007/s10450-013-9484-9

This work deals with a construction of an implicit solvent model which can be used in molecular dynamics simulations of systems comprising colloid nanoparticles and carbon nanotubes. Such systems, due to finite sizes of both components, cannot be accurately approximated by a smaller slab geometry and thus represent a particularly difficult case in terms of computer simulations. Adsorption of large colloid nanoparticles on the surfaces of carbon nanotubes were studied and we determined the adsorption energy profiles of the nanoparticles on the carbon nanotubes surfaces. We also determined the adsorption isotherms which help to understand a preferred location of the nanoparticles on the nanotubes surfaces.

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