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Charge transfer in single-walled carbon nanotubes filled with cadmium halogenides

Autor(en)
Marianna Kharlamova, Lada V. Yashina, Alexey V. Lukashin
Abstrakt

In this work the internal channels of the single-walled carbon nanotubes

(SWCNTs) were filled with cadmium chloride, cadmium bromide, and

cadmium iodide by a capillary method using melts of these salts. The

influence of incorporated chemical compounds on the electronic

properties of the carbon nanotubes was investigated by optical

absorption spectroscopy, Raman spectroscopy, near edge X-ray absorption

fine structure spectroscopy, and X-ray photoelectron spectroscopy. It

was found that there is the chemical bonding between carbon atoms of

nanotube walls and metal atoms of encapsulated CdX2

nanocrystals. The obtained data testify acceptor doping effect of

cadmium halogenides incorporated into the SWCNT channels, which is

accompanied by the charge transfer from nanotube walls to introduced

substances.

Organisation(en)
Elektronische Materialeigenschaften
Externe Organisation(en)
Lomonosov Moscow State University (MSU)
Journal
Journal of Materials Science
Band
48
Seiten
8412–8419
ISSN
0022-2461
DOI
https://doi.org/10.1007/s10853-013-7653-6
Publikationsdatum
12-2013
Peer-reviewed
Ja
ÖFOS 2012
205017 Werkstofftechnik
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/23e830d7-227f-4d36-8e25-ede12d675b89