Abstract
AbstractThe single wall nanocarbons and double wall carbon nanotubes (DWCNTs) of highly developed π-conjugated systems have deep interaction potential wells for molecules due to the dense hexagonal carbon network structure, inducing unusual adsorption mediated effect, such as in-pore superhigh pressure effect. The nanocarbons have characteristic molecular adsorption sites of different interaction potential wells depending on the structure. Liquid phase adsorption of polyaromatic hydrocarbon (PAH) molecules on single wall carbon nanotube (SWCNT) on the different adsorption sites tunes the electronic properties of SWNCT through charge transfer interaction; two representative tuning routes are the intercalation of PAH molecules in the interstitial adsorption sites of SWCNT bundle and encapsulation of PAH molecules in the internal tube spaces. Partial intercalation of 1,5-dinitronaphthalene enhances the dc electrical conductivity of SWCNT by 50 times.KeywordsAdsorptionCharge transfer interactionElectrical conductivityIn-pore high pressure effectIntercalationIntermolecular interactionNanostructureNaphthalenePolyaromatic hydrocarbonSingle wall carbon nanotube
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