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Article Dans Une Revue Optical Materials Express Année : 2016

Instantaneous photoinduced patterning of an azopolymer colloidal nanosphere assembly

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Régis Barille
Yasser Almohamed
  • Fonction : Auteur
Jean-Michel Nunzi

Résumé

Colloidal azopolymer nanospheres assembled on a glass substrate were exposed to a single collimated laser beam. The combination of photo-fluidic elongation of the spherical colloids and light induced self-organization of the azopolymer film allows the quasi-instantaneous growth of a large amplitude surface relief grating. Pre-structuration of the sample with the nanosphere assembly supports faster creation of the spontaneous pattern. Confinement into the nanospheres provides exceptionally large modulation amplitude of the spontaneous relief. The method is amenable to any kind of photoactive azo-materials.
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Dates et versions

hal-02885086 , version 1 (30-06-2020)

Identifiants

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Ewelina Ortyl, Sonia Zielinska, Régis Barille, Yasser Almohamed, Jean-Michel Nunzi. Instantaneous photoinduced patterning of an azopolymer colloidal nanosphere assembly. Optical Materials Express, 2016, 6 (9), pp.2925. ⟨10.1364/OME.6.002925⟩. ⟨hal-02885086⟩
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