The electrical delivery of a sublimable II-VI compound by vapor transport in carbon nanotubes
authors Costa, PMFJ; Gautam, UK; Bando, Y; Golberg, D
nationality International
journal CARBON
abstract Progress in the field of femtogram (10(-15) g) mass delivery relies on finding dependable transport vehicles and uncomplicated methods to tailor the deposition of active substances. Here, current-conductive containers consisting of turbostratic carbon nanotubes were used to store a light-emitting ternary alloy and guide its delivery on demand. We found that the electrically-activated delivery process of this sublimable compound, performed inside a transmission electron microscope, was highly dependent on factors such as the substrate type and current injection mode. Furthermore, our observations suggest that the alleged "missing matter" problem is not solely due to surface migration. Besides extending the field of electrical delivery to the realm of functional materials, the extrusion and mass transport of a sublimable II-VI compound demonstrates that it is possible to guide vapor migration using a carbon nanotube support. (C) 2011 Elsevier Ltd. All rights reserved.
issn 0008-6223
year published 2011
volume 49
issue 12
beginning page 3747
ending page 3754
digital object identifier (doi) 10.1016/j.carbon.2011.05.007
web of science category Chemistry, Physical; Materials Science, Multidisciplinary
subject category Chemistry; Materials Science
unique article identifier WOS:000294031100006
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journal impact factor 8.821
5 year journal impact factor 7.984
category normalized journal impact factor percentile 86.965
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