Below-gap excitation of semiconducting single-wall carbon nanotubes
| Type of Publication: | Journal article |
| URI (citable link): | http://nbn-resolving.de/urn:nbn:de:bsz:352-0-305796 |
| Author: | Soavi, Giancarlo; Grupp, Alexander; Budweg, Arne; Scotognella, Francesco; Hefner, Timo; Hertel, Tobias; Lanzani, Guglielmo; Leitenstorfer, Alfred; Cerullo, Giulio; Brida, Daniele |
| Year of publication: | 2015 |
| Published in: | Nanoscale ; 7 (2015), 43. - pp. 18337-18342. - ISSN 2040-3364. - eISSN 2040-3372 |
| DOI (citable link): | https://dx.doi.org/10.1039/C5NR05218A |
| Summary: |
We investigate the optoelectronic properties of the semiconducting (6,5) species of single-walled carbon nanotubes by measuring ultrafast transient transmission changes with 20 fs time resolution. We demonstrate that photons with energy below the lowest exciton resonance efficiently lead to linear excitation of electronic states. This finding challenges the established picture of a vanishing optical absorption below the fundamental excitonic resonance. Our result points towards below-gap electronic states as an intrinsic property of semiconducting nanotubes.
|
| Subject (DDC): | 530 Physics |
| Link to License: | In Copyright |
| Bibliography of Konstanz: | Yes |
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SOAVI, Giancarlo, Alexander GRUPP, Arne BUDWEG, Francesco SCOTOGNELLA, Timo HEFNER, Tobias HERTEL, Guglielmo LANZANI, Alfred LEITENSTORFER, Giulio CERULLO, Daniele BRIDA, 2015. Below-gap excitation of semiconducting single-wall carbon nanotubes. In: Nanoscale. 7(43), pp. 18337-18342. ISSN 2040-3364. eISSN 2040-3372. Available under: doi: 10.1039/C5NR05218A
@article{Soavi2015Below-32090, title={Below-gap excitation of semiconducting single-wall carbon nanotubes}, year={2015}, doi={10.1039/C5NR05218A}, number={43}, volume={7}, issn={2040-3364}, journal={Nanoscale}, pages={18337--18342}, author={Soavi, Giancarlo and Grupp, Alexander and Budweg, Arne and Scotognella, Francesco and Hefner, Timo and Hertel, Tobias and Lanzani, Guglielmo and Leitenstorfer, Alfred and Cerullo, Giulio and Brida, Daniele} }
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