Elucidation of the electronic structure of semiconducting single-walled carbon nanotubes by electroabsorption spectroscopy

Hongbo Zhao, Sumit Mazumdar

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

We report benchmark calculations of electroabsorption in semiconducting single-walled carbon nanotubes that provide motivation to perform electroabsorption measurement on these systems. We show that electroabsorption can detect the continuum bands in different energy manifolds. Direct determination of the binding energies of excitons in higher manifolds thereby becomes possible. We also find that electroabsorption can provide evidence for Fano-type coupling between the second exciton and the lowest continuum band states.

Original languageEnglish (US)
Article number166805
JournalPhysical review letters
Volume98
Issue number16
DOIs
StatePublished - Apr 20 2007

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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