Below-gap excitation of semiconducting single-wall carbon nanotubes

Soavi, Giancarlo; Grupp, Alexander; Budweg, Arne; Scotognella, Francesco; Hefner, Timo; Hertel, Tobias; Lanzani, Guglielmo; Leitenstorfer, Alfred; Cerullo, Giulio; Brida, Daniele

Below-gap excitation of semiconducting single-wall carbon nanotubes

Dateien

Soavi_0-305796.pdfGröße: 572.71 KBDownloads: 329

Datum

2015

Autor:innen

Soavi, Giancarlo

Grupp, Alexander

Budweg, Arne

Scotognella, Francesco

Hefner, Timo

Hertel, Tobias

Lanzani, Guglielmo

Leitenstorfer, Alfred

Cerullo, Giulio

Brida, Daniele

Angaben zur Forschungsförderung

European Union (EU): 290876

Projekt

Ultrafast Quantum Physics in Amplitude and Phase - UltraPhase, ERC Advanced Grant

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Physik
Zukunftskolleg

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

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.

Fachgebiet (DDC)

530 Physik

Zitieren

ISO 690

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. 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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