Publikation:

Below-gap excitation of semiconducting single-wall carbon nanotubes

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Soavi_0-305796.pdf
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Datum

2015

Autor:innen

Soavi, Giancarlo
Scotognella, Francesco
Hefner, Timo
Hertel, Tobias
Lanzani, Guglielmo
Cerullo, Giulio

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URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-0-305796
DOI (zitierfähiger Link)
https://doi.org/10.1039/C5NR05218A
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European Union (EU): 290876

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Ultrafast Quantum Physics in Amplitude and Phase - UltraPhase, ERC Advanced Grant
Open Access-Veröffentlichung
Open Access Green

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Physik: Publikationen
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Core Facility der Universität Konstanz

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Published

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Nanoscale. 2015, 7(43), pp. 18337-18342. ISSN 2040-3364. eISSN 2040-3372. Available under: doi: 10.1039/C5NR05218A

Zusammenfassung

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.

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530 Physik

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ISO 690SOAVI, 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. 2015, 7(43), pp. 18337-18342. ISSN 2040-3364. eISSN 2040-3372. Available under: doi: 10.1039/C5NR05218A
BibTex
@article{Soavi2015Below-32090,
  year={2015},
  doi={10.1039/C5NR05218A},
  title={Below-gap excitation of semiconducting single-wall carbon nanotubes},
  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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