A simple scheme of molecular electronic devices with multiwalled carbon nanotubes as the top electrodes

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A simple fabrication scheme for molecular electronic junctions is presented with multiwalled carbon nanotubes (MWCNTs) as the top electrodes. Results indicate that our approach retains the molecular character of the chosen molecules [a self-assembled monolayer of octadecanethiol on gold bottom electrodes] and opens the door for studying a wide variety of organothiol candidates for molecular electronics. The fabrication scheme is designed in a way that it can be modified into all-carbon devices in the future by using graphitic carbon bottom electrodes functionalized with nitrozoabenzene, for example, and MWCNTs or graphene as the top electrodes. Alternatively, the scheme is applicable for all-gold devices with gold bottom electrodes and gold nanowire top electrodes.

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Copyright © 2012 Elsevier Ltd. Published by Elsevier Ltd. All rights reserved. Publisher’s version of record: https://doi.org/10.1016/j.carbon.2012.03.021

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