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Stabilization of Molecular Hydrogen-bonded Chains by Carbon Nanotubes by Savin, Alexander V.; Kivshar, Yuri S. is a scholarly article available to read on EtoBox.

What is Stabilization of Molecular Hydrogen-bonded Chains by Carbon Nanotubes about?

We study numerically nonlinear dynamics of several types of molecular systems composed of hydrogen-bonded chains placed inside carbon nanotubes with open edges. We demonstrate that carbon nanotubes provide a stabilization mechanism for quasi-one-dimensional molecular chains via the formation of their secondary structures. In particular, a polypeptide chain (Gly)$_N$ placed inside a carbon nanotube can form of a stable helical chain ($3_{10}$, $\alpha$, $\pi$ and $\beta$-helix) with parallel chains of hydrogen-bonded peptide groups. A chain of hydrogen fluoride molecules can form hydrogen-bonded zigzag chain. We reveal that in such geometries the hydrogen-bonded chains may remain stable even at $T=500$~K. Thus, our results suggest that the use of carbon nanotubes with encapsulated hydrogen fluoride molecules may support high proton conductivity operating at high temperatures.

Author

Savin, Alexander V.; Kivshar, Yuri S.

Published

2024

Language

EN