Multi-metal electrohydrodynamic redox 3D printing at the submicron scale

Alain Reiser, Marcus Lindén, Patrik Rohner, Adrien Marchand, Henning Galinski, Alla S. Sologubenko, Jeffrey M. Wheeler, Renato Zenobi, Dimos Poulikakos and Ralph Spolenak ()
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Alain Reiser: ETH Zürich
Marcus Lindén: ETH Zürich
Patrik Rohner: ETH Zürich
Adrien Marchand: ETH Zürich
Henning Galinski: ETH Zürich
Alla S. Sologubenko: ETH Zürich
Jeffrey M. Wheeler: ETH Zürich
Renato Zenobi: ETH Zürich
Dimos Poulikakos: ETH Zürich
Ralph Spolenak: ETH Zürich

Nature Communications, 2019, vol. 10, issue 1, 1-8

Abstract: Abstract An extensive range of metals can be dissolved and re-deposited in liquid solvents using electrochemistry. We harness this concept for additive manufacturing, demonstrating the focused electrohydrodynamic ejection of metal ions dissolved from sacrificial anodes and their subsequent reduction to elemental metals on the substrate. This technique, termed electrohydrodynamic redox printing (EHD-RP), enables the direct, ink-free fabrication of polycrystalline multi-metal 3D structures without the need for post-print processing. On-the-fly switching and mixing of two metals printed from a single multichannel nozzle facilitates a chemical feature size of

Date: 2019
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DOI: 10.1038/s41467-019-09827-1

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