Chirality assignment of single-walled carbon nanotubes with strain

Chirality assignment of single-walled carbon nanotubes with strain

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Strain-induced band gap shifts that depend strongly on the chiral angle have been observed by optical spectroscopy in polyvinylpyrrolidone(PVP)- or Surfactin micelle-wrapped single-walled carbon nanotubes (SWCNTs). Uniaxial and torsional strains are generated by changing the environment surrounding...

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Manylion Llyfryddiaeth
Prif Awduron: Li, L, Nicholas, R, Deacon, R, Shields, P, Chen, C, Darton, R, Baker, S
Fformat: Conference item
Cyhoeddwyd: 2005
Disgrifiad
Crynodeb:Strain-induced band gap shifts that depend strongly on the chiral angle have been observed by optical spectroscopy in polyvinylpyrrolidone(PVP)- or Surfactin micelle-wrapped single-walled carbon nanotubes (SWCNTs). Uniaxial and torsional strains are generated by changing the environment surrounding the SWCNTs, using the surrounding D2O ice temperature or the hydration state of a wrapping polymer. These methods can be used as diagnostic tools to determine the quantum number, q, and examine chiral vector indices for specific nanotube species.

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