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<p>In this work, single-walled carbon nanotubes (SWCNTs) were filled with metallocenes in the high yield and purity. Double-walled carbon nanotubes (DWCNTs) were formed by the thermal treatment of the metallocene-filled SWCNTs. The approach for chirality-selective in situ monitoring of growth dynamics of inner SWCNTs was developed. The activation energies of individual-chirality inner SWCNTs with the diameters from ~ 0.8 to 1.1&#xa0;nm were calculated. The dependence of the rate and activation energy of the growth of inner SWCNTs on the preparation parameters (annealing temperature, tube diameter and metallocene type) was revealed. The model describing the growth mechanism of inner SWCNTs was provided.</p>

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Activation energies of growth of single-chirality single-walled carbon nanotubes in metallocene-filled single-walled carbon nanotubes

  • 期刊论文

  • 发表日期：

    2026年2月11日

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  • Marianna V. Kharlamova

摘要

In this work, single-walled carbon nanotubes (SWCNTs) were filled with metallocenes in the high yield and purity. Double-walled carbon nanotubes (DWCNTs) were formed by the thermal treatment of the metallocene-filled SWCNTs. The approach for chirality-selective in situ monitoring of growth dynamics of inner SWCNTs was developed. The activation energies of individual-chirality inner SWCNTs with the diameters from ~ 0.8 to 1.1 nm were calculated. The dependence of the rate and activation energy of the growth of inner SWCNTs on the preparation parameters (annealing temperature, tube diameter and metallocene type) was revealed. The model describing the growth mechanism of inner SWCNTs was provided.