Journal
MATERIALS
Volume 13, Issue 6, Pages -Publisher
MDPI
DOI: 10.3390/ma13061342
Keywords
PVDF; spin coating; magnetic nanoparticles; composite thin films
Categories
Funding
- USPC IDEX Project ArchiMEdes
- ANR (Agence Nationale de la Recherche) [ANR 11 LABX 086, ANR 11 IDEX 05 02.5]
- CGI (Commissariat a l'Investissement d'Avenir) [ANR 11 LABX 086, ANR 11 IDEX 05 02.5]
- Labex SEAM
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We optimize the elaboration of very thin film of poly(vinylidene fluoride) (PVDF) polymer presenting a well-controlled thickness, roughness, and nano-inclusions amount. We focused our effort on the spin coating elaboration technique which is easy to transfer to an industrial process. We show that it is possible to obtain continuous and smooth thin films with mean thicknesses of 90 nm by properly adjusting the concentration and the viscosity of the PVDF solution as well as the spin rate and the substrate temperature of the elaboration process. The electro-active phase content versus the magnetic and structural properties of the composite films is reported and fully discussed. Last but not least, micro-patterning optical lithography combined with plasma etching has been used to obtain well-defined one-dimensional micro-stripes as well as squared-rings, demonstrating the easy-to-transfer silicon technology to polymer-based devices.
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