Femtosecond investigation of carbon nanotubes

Christophe Voisin; Jean-Sebastien Lauret; Guillaume Cassabois; Philippe Roussignol; Claude Delalande

doi:10.1117/12.525390

16 June 2004 Femtosecond investigation of carbon nanotubes

Christophe Voisin, Jean-Sebastien Lauret, Guillaume Cassabois, Philippe Roussignol, Claude Delalande

Proceedings Volume 5352, Ultrafast Phenomena in Semiconductors and Nanostructure Materials VIII; (2004) https://doi.org/10.1117/12.525390
Event: Integrated Optoelectronic Devices 2004, 2004, San Jose, CA, United States

Abstract

Time-resolved spectroscopy is performed in bulk samples of single wall carbon nanotubes. The carrier dynamics is monitored by probing the transient change of transmission of the sample in resonance with the interband transitions of the semiconducting tubes. Samples containing either isolated nanotubes or bundles of nanotubes are investigated. A strong increase of the relaxation time is observed for isolated nanotubes. We interpret this effect with a model based on a tunnel coupling between semiconducting and metallic nanotubes within a bundle. This model also accounts for the quenching of the luminescence in such samples.

Citation Download Citation

Christophe Voisin, Jean-Sebastien Lauret, Guillaume Cassabois, Philippe Roussignol, and Claude Delalande "Femtosecond investigation of carbon nanotubes", Proc. SPIE 5352, Ultrafast Phenomena in Semiconductors and Nanostructure Materials VIII, (16 June 2004); https://doi.org/10.1117/12.525390

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