Comparison of Doping Levels of Single-Walled Carbon Nanotubes Synthesized by Arc-Discharge and Chemical Vapor Deposition Methods by Encapsulated Silver Chloride

Author(s)
Marianna V. Kharlamova, Christian Kramberger, Oleg Domanov, Andreas Mittelberger, Takeshi Saito, Kazuhiro Yanagi, Thomas Pichler, Dominik Eder
Abstract

In this paper, we have performed the filling of single-walled carbon nanotubes (SWCNTs) with mean diameters of 1.4 and 1.9 nm synthesized by the arc-discharge and chemical vapor deposition (CVD) methods, respectively, with silver chloride. The doping effect of the encapsulated compound on SWCNTs is studied by Raman spectroscopy and X-ray photoelectron spectroscopy. It is shown that the filling of nanotubes with silver chloride leads to p-doping of SWCNTs accompanied by charge transfer from the SWCNTs to the salt and downshift of their Fermi level. It is found that the filling of SWCNTs synthesized by different methods results in different doping levels of nanotubes. The arc-discharge 1.4 nm-diameter SWCNTs have larger doping level than CVD 1.9 nm-diameter nanotubes. The obtained information about the influence of the filler on the electronic properties of SWCNTs synthesized by different methods is elemental for applications of nanotubes in nanoelectronic devices.

Organisation(s)
Electronic Properties of Materials
External organisation(s)
Technische Universität Wien, National Institute of Advanced Industrial Science and Technology, Tokyo Metropolitan University
Journal
Physica Status Solidi (B) Basic Research
Volume
255
No. of pages
6
ISSN
0370-1972
DOI
https://doi.org/10.1002/pssb.201800178
Publication date
08-2018
Peer reviewed
Yes
Austrian Fields of Science 2012
Solid state physics, Materials physics, Surface physics
Keywords
ASJC Scopus subject areas
,
Portal url
https://ucris.univie.ac.at/portal/en/publications/comparison-of-doping-levels-of-singlewalled-carbon-nanotubes-synthesized-by-arcdischarge-and-chemical-vapor-deposition-methods-by-encapsulated-silver-chloride(c710554a-1abf-406d-a774-149fdf620228).html