3D electrohydrodynamic printing and characterisation of highly conductive gold nanowalls

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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 an 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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CITATION STYLE

APA

Rohner, P., Reiser, A., Rabouw, F. T., Sologubenko, A. S., Norris, D. J., Spolenak, R., & Poulikakos, D. (2020). 3D electrohydrodynamic printing and characterisation of highly conductive gold nanowalls. Nanoscale, 12(39), 20158–20164. https://doi.org/10.1039/d0nr04593d

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