Diffusion of One-Dimensional Crystals in Channels of Single-Walled Carbon Nanotubes


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Аннотация

The transport of one-dimensional CuI crystals in channels of single-walled carbon nanotubes (SWCNTs) has been studied by high resolution electron microscopy. The diffusion kinetics has been investigated by counting the number of CuI atoms escaping from the nanotube channel. The diffusivity is calculated to be 6.8 × 10–21 m2/s, which corresponds to an activation-barrier height of ~1 eV/atom. A comparison with the theoretically estimated height of the energy barrier for molecular transport through a graphene layer is indicative of mass transfer through vacancy defects in graphene.

Авторлар туралы

V. Zhigalina

Shubnikov Institute of Crystallography, Federal Research Centre “Crystallography and Photonics,”; National Research Centre “Kurchatov Institute,”; Centre for Surface and Vacuum Research (CSVR)

Хат алмасуға жауапты Автор.
Email: v.zhigalina@gmail.com
Ресей, Moscow, 119333; Moscow, 123182; Moscow, 119421

A. Kumskov

Shubnikov Institute of Crystallography, Federal Research Centre “Crystallography and Photonics,”; National Research Centre “Kurchatov Institute,”; Centre for Surface and Vacuum Research (CSVR)

Email: v.zhigalina@gmail.com
Ресей, Moscow, 119333; Moscow, 123182; Moscow, 119421

N. Falaleev

Moscow State University

Email: v.zhigalina@gmail.com
Ресей, Moscow, 119992

A. Vasiliev

Shubnikov Institute of Crystallography, Federal Research Centre “Crystallography and Photonics,”; National Research Centre “Kurchatov Institute,”; Centre for Surface and Vacuum Research (CSVR)

Email: v.zhigalina@gmail.com
Ресей, Moscow, 119333; Moscow, 123182; Moscow, 119421

N. Kiselev

Shubnikov Institute of Crystallography, Federal Research Centre “Crystallography and Photonics,”

Email: v.zhigalina@gmail.com
Ресей, Moscow, 119333

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