Dependence of exciton transition energy of single-walled carbon nanotubes on surrounding dielectric materials

Details Dependence of exciton transition energy of single-walled carbon nanotubes on surrounding dielectric materials Dependence of exciton transition energy of single-walled carbon nanotubes on surrounding dielectric materials

2007-04-11

arxiv.org/abs/0704.1380v1

Physics

Condensed Matter

Materials Science

5pages, 4 figures

Scientific paper

10.1016/j.cplett.2007.06.018

We theoretically investigate the dependence of exciton transition energies on dielectric constant of surrounding materials. We make a simple model for the relation between dielectric constant of environment and a static dielectric constant describing the effects of electrons in core states, $\sigma$ bonds and surrounding materials. Although the model is very simple, calculated results well reproduce experimental transition energy dependence on dielectric constant of various surrounding materials.

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