使用分子动力学模拟研究了附着型碳纳米管树芽对碳纳米管的热导率的影响,并对多个 C60分子附着对碳纳米管的热导率的影响进行了讨论。研究表明,当 C60分子附着在碳纳米管表面的时候,会降低碳纳米管的热导率,并且随着表面附着的C60分子的个数增加,碳纳米管的热导率逐渐降低并趋于稳定。利用非平衡分子动力学施加热流法对附着型纳米树芽分子结的管间热导和轴向热阻进行了模拟与计算,并与碳纳米管 X型分子结的结果进行对比。
The effects of attaching nanobuds on the thermal conductivity SWCNT are investigated using the non-equilibrium molecular dynamics (NEMD)simulation.Results show that attaching nanobuds will decrease the thermal conductivity of SWCNT,and the effect of attached C60 molecules on the thermal conductivity of SWC-NT becomes smaller with the increase in the number of attached C60 molecules.Also,NEMD simulations and applied temperature gradient are employed to study the intra-tube j unction thermal resistance and inter-tube j unction thermal conductance of the nanobud formed by pressure method.Compared with previous work on X-j unction,it is certain improvement on thermal conductivity of interconnected network of carbon nanotube when nanobud j unctions are involved.
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