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  • Title: Self-assembly of linear arrays of semiconductor nanoparticles on carbon single-walled nanotubes.
    Author: Engtrakul C, Kim YH, Nedeljković JM, Ahrenkiel SP, Gilbert KE, Alleman JL, Zhang SB, Mićić OI, Nozik AJ, Heben MJ.
    Journal: J Phys Chem B; 2006 Dec 21; 110(50):25153-7. PubMed ID: 17165958.
    Abstract:
    Ligand-stabilized nanocrystals (NCs) were strongly bound to the nanotube surfaces by simple van der Waals forces. Linear arrays of CdSe and InP quantum dots were formed by self-assembly using the grooves in bundles of carbon single-walled nanotubes (SWNTs) as a one-dimensional template. A simple geometrical model explains the ordering in terms of the anisotropic properties of the nanotube surface. CdSe quantum rods were also observed to self-organize onto SWNTs with their long axis parallel to the nanotube axis. This approach offers a route to the formation of ordered NC/SWNT architectures that avoids problems associated with surface derivatization.
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