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Issue 37, 2016
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Conformal oxide nanocoatings on electrodeposited 3D porous Ni films by atomic layer deposition

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Abstract

A versatile chemical synthesis procedure to obtain Al2O3 and Co2FeO4 nanolayers conformally coating a three-dimensional (3D) porous Ni film is presented. First, porous Ni is grown by hydrogen bubble template-assisted electrodeposition. Subsequently, Al2O3 and Co2FeO4 layers, with thickness ranging from 5 nm to 25 nm, are directly deposited onto the pore walls by atomic layer deposition, while maintaining the porous architecture and magnetic properties of the Ni scaffold. The crystal structure, thickness and distribution of elements within the composite coatings are investigated in detail. The resulting magnetic and wettability properties are assessed. Contact angle tests reveal that 3D porous Ni films become more hydrophilic after coating with Al2O3 or Co2FeO4. From a technological point of view, the obtained composite porous films could be appealing for application in magnetically actuated micro/nano-electromechanical systems (MEMS/NEMS) or bio-MEMS/NEMS, among others.

Graphical abstract: Conformal oxide nanocoatings on electrodeposited 3D porous Ni films by atomic layer deposition

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Publication details

The article was received on 27 Jun 2016, accepted on 08 Aug 2016 and first published on 09 Aug 2016


Article type: Paper
DOI: 10.1039/C6TC02656G
Author version available: Download Author version (PDF)
Citation: J. Mater. Chem. C, 2016,4, 8655-8662
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    Conformal oxide nanocoatings on electrodeposited 3D porous Ni films by atomic layer deposition

    J. Zhang, M. Coll, T. Puig, E. Pellicer and J. Sort, J. Mater. Chem. C, 2016, 4, 8655
    DOI: 10.1039/C6TC02656G

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