Thermochemical hole burning on a triethylammonium bis-7,7,8,8-tetracyanoquinodimethane charge-transfer complex using single-walled carbon nanotube scanning tunneling microscopy tips

Article Abstract:

A single-walled carbon nanotube (SWNT) scanning tunneling microscopy (STM) tips, is used to describe a thermochemical hole burning (THB) effect on a charge-transfer complex triethylammonium bis-7,7,8,8-tetracyanodimethane [TEA(TCNQ)(sub 2)]. The SWNT tips made by a chemical assembly technique proved to be excellent writing tips for greatly decreasing the hole sizes and increasing the storage density.

Usage, Scanning tunneling microscopy, Carbon compounds, Chemical properties, Nanotubes, Thermochemistry

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Iron catalysts reactivation for efficient CVD growth of SWNT with base-growth mode on surface

Article Abstract:

The reactivation of iron catalysts for improving the efficiency of catalyst-directed surface growth of SWNTs by heating treatment is detailed. It was observed that by using the SWNTs grown on silica surfaces, subsequent growth after heat treatment and the direct experiment evidence of base-growth mode was observed, which would provide a useful way to directly control and monitor SWNT growth.

Surface chemistry, Iron catalysts

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Time-resolved and steady state spectroscopy of polydisperse colloidal silver nanoparticle samples

Article Abstract:

A signal due to coherently excited vibrational motion is observed in polydisperse silver nanaoparticle samples. The analysis revealed that the observed signal arises from the triangular-shaped particles, rather than the rods or spheres.

Indiana, Polymers, Spectra, Silver compounds, Nanoparticles

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