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3D electrohydrodynamic printing and characterisation of highly conductive gold nanowalls

Abstract

3D printing research targets the creation of nanostructures beyond the limits of traditional micromachining. A proper characterisation of their functionalities is necessary to facilitate future implementation into applications. We fabricate, in open atmosphere, high-aspect-ratio gold nanowalls by electrohydrodynamic rapid nanodripping and comprehensively analyse their electronic performance by four-point probe measurements. We reveal the large-grained nanowall morphology by transmission electron microscopy and explain the measured low resistivities approaching those of bulk gold. This work is a significant advancement in contactless bottom-up 3D nanofabrication and characterisation and could also serve as a platform for fundamental studies of additively manufactured high-aspect-ratio out-of-plane metallic nanostructures.

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Article information


Accepted
09 Jul 2020
First published
10 Jul 2020

This article is Open Access

Nanoscale, 2020, Accepted Manuscript
Article type
Communication

3D electrohydrodynamic printing and characterisation of highly conductive gold nanowalls

P. S. Rohner, A. Reiser, F. T. Rabouw, A. Sologubenko, D. Norris, S. Ralph and D. Poulikakos, Nanoscale, 2020, Accepted Manuscript , DOI: 10.1039/D0NR04593D

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