Abstract

In this paper, a semi-empirical molecular dynamics model is developed. The central collisions of C 60 + C 60 and X@C 60 + X@C 60 ( X = He , Ne , Ar ) at various incident energy are investigated within this model. The fullerene dimers like a "dumbbell" can be formed by a self-assembly of C 60 fullerene and X@C 60 ( X = He , Ne ) endohedral fullerenes, and the new fullerene structure like "peanut" can be formed by a self-assembly of Ar@C 60. It is found that Ar atom plays a great role in the collision of Ar@C 60 + Ar@C 60 because of its size effect. The energy effect is found that various incident energies cannot change the final structure at low energies if they are below a certain energy.

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