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Your search keyword '"Natali, Marco"' showing total 2 results
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2 results on '"Natali, Marco"'

1. Plasma Enhanced Hot Filament CVD Growth of Thick Carbon Nanowall Layers.

Author

Natali, Marco, Passeri, Daniele, Rossi, Marco, Dikonimos, Theodoros, and Lisi, Nicola

Subjects
*NANOSTRUCTURED materials, *CARBON & graphite products, *GRAPHENE, *ELECTRODES, *WALL panels -- Design & construction
Abstract

Carbon nanowalls are carbon nanostructures consisting of arrays of graphitic carbon plates which are mainly positioned perpendicularly to the growth surface. Carbon nanowalls have received considerable interest in recent years, since they are closely related to graphene from the structural point of view, while maintaining an open honeycomb lattice on the nanoscale. They are thus believed to be an interesting electrode material for many applications since they offer high chemical resistance, low electrical resistance and high surface area. In this paper we are presenting a method that allows the growth of thick layers of carbon nanowalls onto flat and porous substrates, both carbon and refractory metal based. Such methods are promising for making electrodes for use in electrochemical devices. [ABSTRACT FROM AUTHOR]

Published
2017
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2. A General Equivalent Circuit Model for a Metal/Organic/Liquid/Metal System.

Author

Lago, Nicolo, Buonomo, Marco, Wrachien, Nicola, Prescimone, Federico, Natali, Marco, Muccini, Michele, Toffanin, Stefano, and Cester, Andrea

Subjects
ORGANIC semiconductors, ELECTROCHEMICAL analysis, ELECTRICAL conductors, IMPEDANCE spectroscopy, ELECTRICAL engineering
Abstract

A general equivalent circuit model for the metal/organic semiconductor (OSC)/liquid/metal system is presented. Each circuital element, representative of a physically observable phenomenon associated with the device working principle, is analyzed and discussed. Two case studies of electrochemical impedance spectroscopy of devices featuring NaCl (concentration of 0.1 M) and MilliQ water as liquid are reported, showing that both cases can be considered as a particular case of the general model presented in this paper. Experimental verification of the two practical cases is achieved by performing measurements onto electrodes coated by either an n-type or a p-type OSC deposited by sublimation or drop casting, respectively. The good agreement with the experimental data makes our model a useful tool for the characterization and failure analysis of electronic devices, such as water-gated transistors, electrophysiological interfaces, fuel cells, and others electrochemical systems. [ABSTRACT FROM AUTHOR]

Published
2018
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