Stepwise Current-Driven Release of Attogram Quantities of Copper Iodide Encapsulated in Carbon Nanotubes

abstract

Encapsulated nanograins of copper iodide have been sequentially discharged from individual carbon nanotubes. Using a high resolution electron microscope equipped with a two-terminal electrical measurements unit, it was possible to manipulate the tilling contents with precisions of a few attograms at a time. Changes in electrical resistance and filling ratio were followed in tandem and in real-time. It is shown that the pulsed release of the halide is directly related to the overall conductance of the tilled nanotube.

keywords

ELECTRON-MICROSCOPE; METAL; NANOCRYSTALS; CAPILLARITY; CLUSTERS; DELIVERY; CUI

subject category

Chemistry; Science & Technology - Other Topics; Materials Science; Physics

authors

Costa, PMFJ; Golberg, D; Mitome, M; Hampel, S; Leonhardt, A; Buchner, B; Bando, Y

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