arXiv:1306.2766 [cond-mat.mes-hall]AbstractReferencesReviewsResources Classifications Subjects Themes Keywords optical properties, concavity effects, quantum chemistry semi-empirical methods am1, c50-carbon nanotube caps, polycyclic aromatic hydrocarbons Tags journal article Journal Information Publisher Journal Year Month Volume Number Pages DOI URL Miscellaneous Typesetting Pages Language License Submit Reset