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- Title
Spectroelectrochemistry of intercalated single-walled carbon nanotubes (Phys. Status Solidi B 8/2016).
- Authors
Eliseev, A. A.; Verbitskiy, N. I.; Verbitskiy, I. I.; Lukashin, A. V.; Kumskov, A. S.; Kiselev, N. A.
- Abstract
The properties of single‐walled carbon nanotubes (SWNTs) depend strongly on the tube's diameter and atomic structure, and can be successfully influenced by chemical modification of their internal channels. Thus, the filling of SWNTs with electron donor or acceptor compounds can induce an increase or decrease of electron density on the nanotube walls and, therefore, allows one to control the electronic properties of the system. Despite a significant amount of reports on the synthesis and on theoretical and experimental studies of 1D‐crystal©SWNT composites, direct information on their electronic structure is still lacking in many cases. Eliseev et al. (pp. 1585–1589) have focused on the elaboration of an experimental method for dopinglevel determination of SWNT‐based material, and the CuCl©SWNT composite material was chosen as a test system. The proposed method of spectroelectrochemical resonant Raman scattering under electrochemical charging in weakly interacting organic electrolyte enables the unambiguous detection of charge transfer and doping level in sp2‐carbon materials by Kohn anomaly shift. The data obtained by this method is consistent with other techniques and provides additional valuable information on possible redox transformations of composite materials. The presented methodology can be used as a reference protocol for Fermi level shift determination in doped SWNTs.
- Subjects
MATERIALS science; SINGLE walled carbon nanotubes; ELECTROCHEMISTRY
- Publication
Physica Status Solidi (B), 2016, Vol 253, Issue 8, p1453
- ISSN
0370-1972
- Publication type
Article
- DOI
10.1002/pssb.201670551