Light induced patterning of poly(dimethylsiloxane) microstructures (Articolo in rivista)

Type
Label
  • Light induced patterning of poly(dimethylsiloxane) microstructures (Articolo in rivista) (literal)
Anno
  • 2010-01-01T00:00:00+01:00 (literal)
Alternative label
  • Miccio L., Paturzo M., Finizio A., Ferraro P. (2010)
    Light induced patterning of poly(dimethylsiloxane) microstructures
    in Optics express
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Miccio L., Paturzo M., Finizio A., Ferraro P. (literal)
Pagina inizio
  • 10947 (literal)
Pagina fine
  • 10955 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 18 (literal)
Rivista
Note
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto Nazionale di Ottica del CNR (INO-CNR)Via Campi Flegrei, 34 - 80078 - Pozzuoli (Na) Italy; Istituto di Cibernetica “E Caianiello” Via Campi Flegrei, 34 - 80078 - Pozzuoli (Na) Italy (literal)
Titolo
  • Light induced patterning of poly(dimethylsiloxane) microstructures (literal)
Abstract
  • A new method for direct patterning of Poly(dimethylsiloxane)(PDMS) microstructures is developed by taking advantage of photorefractive effect in a functionalized substrate. Here we show that when a x-cut Iron doped Lithium Niobate (LN) crystal is exposed to appropriate structured laser light, a charge density pattern builds-up in the crystal and a space charge field arise that is able to induce self-patterning of the PDMS liquid film deposited on its surface via the dielectrophoretic effects. Proper heating treatment allows to achieve polymeric linking process creating a solid and stable PDMS microstructures. The self-patterned structures replicate the illuminating light pattern. We show that 1D and 2D patterning of PDMS gratings can be achieved. This new soft-lithographic approach can pave the way for realizing PDMS micro-structures with high degree of flexibility that avoids the need of moulds fabrication. (literal)
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