Nanocomposite pattern-mediated magnetic interactions for localized deposition of nanomaterials

Despina Fragouli*, Bruno Torre, Francesca Villafiorita-Monteleone, Athanasia Kostopoulou, Gabriele Nanni, Andrea Falqui, Alberto Casu, Alexandros Lappas, Roberto Cingolani, Athanassia Athanassiou

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

14 Scopus citations

Abstract

We present a method to create, align, and locate magnetic wires throughout and on the surface of patterned polymer matrices, following the magnetophoretic transport and self-assembly of ferromagnetic nanoparticles under a static magnetic field during laser photopolymerization of monomer/nanoparticle casted solutions. The resulting films have the ability to attract and immobilize small quantities of magnetic nanomaterials locally on the ferromagnetic wires, as proved by a detailed topography study. Magnetic studies on the films before and after the spontaneous deposition, demonstrate that the deposited nanomaterials alter significantly the magnetic character of the system, making thus possible their macroscopic identification. This offers the possibility to realize sensing devices based on hybrid materials with magnetic properties.

Original languageEnglish (US)
Pages (from-to)7253-7257
Number of pages5
JournalACS Applied Materials and Interfaces
Volume5
Issue number15
DOIs
StatePublished - Aug 14 2013

Keywords

  • magnetic interactions
  • magnetophoretic transport
  • nanocomposites
  • patterns
  • photopolymerization

ASJC Scopus subject areas

  • Materials Science(all)

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