Extraordinary sensitivity of the electronic structure and properties of single-walled carbon nanotubes to molecular charge-transfer

TL;DR

This paper investigates how single-walled carbon nanotubes' electronic structures and properties are highly sensitive to molecular charge transfer, affecting their spectra and metallic content.

Contribution

It demonstrates the significant impact of molecular charge transfer on the electronic and Raman spectra of carbon nanotubes, revealing their sensitivity to electron donor and acceptor molecules.

Findings

Charge transfer alters the electronic spectra of nanotubes.

Electron donation increases metallic species proportion.

Electrical resistivity measurements confirm spectral changes.

Abstract

Interaction of single-walled carbon nanotubes with electron donor and acceptor molecules causes significant changes in the electronic and Raman spectra, the relative proportion of the metallic species increasing on electron donation through molecular charge transfer, as also verified by electrical resistivity measurements.