Bulletin of the Korean Chemical Society

Korean Chemical Society (대한화학회)
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Molecular Dynamics of Carbon Nanotubes Deposited on a Silicon Surface via Collision: Temperature Dependence

  • Saha, Leton C. (Department of Nanomaterials Engineering, Pusan National University) ;
  • Mian, Shabeer A. (Department of Nanomaterials Engineering, Pusan National University) ;
  • Kim, Hyo-Jeong (Department of Nanomaterials Engineering, Pusan National University) ;
  • Saha, Joyanta K. (Department of Nanomaterials Engineering, Pusan National University) ;
  • Matin, Mohammad A. (Department of Nanomaterials Engineering, Pusan National University) ;
  • Jang, Joon-Kyung (Department of Nanomaterials Engineering, Pusan National University)
  • Received : 2010.10.28
  • Accepted : 2010.12.01
  • Published : 2011.02.20
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Abstract

We investigated how temperature influences the structural and energetic dynamics of carbon nanotubes (CNTs) undergoing a high-speed impact with a Si (110) surface. By performing molecular dynamics simulations in the temperature range of 100 - 300 K, we found that a low temperature CNT ends up with a higher vibrational energy after collision than a high temperature CNT. The vibrational temperature of CNT increases by increasing the surface temperature. Overall, the structural and energy relaxation of low temperature CNTs are faster than those of high temperature CNTs.

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