Ultrafast pump–probe measurements in single wall carbon nanotubes
| Autor: | L. Capes, Jean-Sébastien Lauret, O. Jost, Claude Delalande, Guillaume Cassabois, Christophe Voisin, Ph. Roussignol |
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| Rok vydání: | 2003 |
| Předmět: |
Materials science
business.industry Resonance Nanotechnology Carbon nanotube Condensed Matter::Mesoscopic Systems and Quantum Hall Effect Condensed Matter Physics Molecular physics Photobleaching Atomic and Molecular Physics and Optics Electronic Optical and Magnetic Materials law.invention Optical properties of carbon nanotubes Condensed Matter::Materials Science Semiconductor law Ballistic conduction in single-walled carbon nanotubes business Ultrashort pulse Excitation |
| Zdroj: | Physica E: Low-dimensional Systems and Nanostructures. 17:380-383 |
| ISSN: | 1386-9477 |
| DOI: | 10.1016/s1386-9477(02)00887-1 |
| Popis: | We present a time-resolved experimental study of carrier dynamics in single wall carbon nanotubes (SWCNTs). This study is performed by means of pump–probe experiments in either a degenerate or a two-color configuration with a resonant excitation of semi-conductor SWCNTs. Both pump and probe are in resonance with the interband transitions of the semiconductor nanotubes (at 0.8 and 1.47 eV ). We observe photobleaching with a typical recovery time of 1 ps . This non-linear response is governed by the carrier recombination at the band edge of semiconductor nanotubes. |
| Databáze: | OpenAIRE |
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