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Title: Absorption-spectral features of single-walled carbon nanotubes
Authors: Zhao, Yang
Wang, Xiujun
Ma, Chi Chiu
Chen, Guan Hua
Keywords: DRNTU::Engineering::Materials::Nanostructured materials
Issue Date: 2004
Source: Zhao, Y., Wang, X., Ma, C. C., & Chen, G. H. (2004). Absorption-spectral features of single-walled carbon nanotubes, Chemical physics letters. 387(1-3).
Series/Report no.: Chemical physics letters
Abstract: We present a visual, intuitive connection between optical absorption line shapes and the underlying carbon nanotube structures. Within the tight-binding model, the absorption spectra can be linked directly to plots of energy contours and transition dipoles of a graphene sheet. Via two additional approaches, spectral features are shown only slightly altered by electronic correlations and σ–π oorbital rehybridization. Despite dependence of electronic structures on chiral angles, it is proved that, if the tube diameter D is greater than the C–C bond length a, the absorption spectra are determined by D to the lowest order in a/D.
DOI: 10.1016/j.cplett.2004.02.007
Rights: ©2004 Elsevier This is the author created version of a work that has been peer reviewed and accepted for publication by Chemical Physics Letters, Elsevier. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI:].
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:MSE Journal Articles

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