CUED Publications database

Probing the electronic structure of multi-walled carbon nanotubes by transient optical transmittivity

Galimberti, G and Ponzoni, S and Cartella, A and Cole, MT and Hofmann, S and Cepek, C and Ferrini, G and Pagliara, S (2013) Probing the electronic structure of multi-walled carbon nanotubes by transient optical transmittivity. Carbon, 57. pp. 50-58. ISSN 0008-6223

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Abstract

High-resolution time resolved transmittivity measurements on horizontally aligned free-standing multi-walled carbon nanotubes reveal a different electronic transient behavior from that of graphite. This difference is ascribed to the presence of discrete energy states in the multishell carbon nanotube electronic structure. Probe polarization dependence suggests that the optical transitions involve definite selection rules. The origin of these states is discussed and a rate equation model is proposed to rationalize our findings. © 2013 Elsevier Ltd. All rights reserved.

Item Type: Article
Subjects: UNSPECIFIED
Divisions: Div B > Solid State Electronics and Nanoscale Science
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 11:29
Last Modified: 08 Dec 2014 02:21
DOI: 10.1016/j.carbon.2013.01.030