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UV-Induced Micropatterning of Complex Functional Surfaces by Photopolymerization Controlled by Alkoxyamines

Abstract : We report on the use of an alkoxyamine (AA) for fabrication of functional micropatterns with complex structures by UV mask lithography. The living character of the polymer surface and the vertical spatial control of the repolymerization reaction from few tens of nanometers to few micrometers were demonstrated. The impact of the main parameters governing the controlled polymerization and the reinitiation process activated by light or heat was investigated. Micropatterning is shown to be a powerful method to investigate the physicochemical molecular phenomena. It is possible to control the polymer microstructure thickness from few tens of nanometers to few micrometers. In the last section, some applications are provided showing the potential of the AA for generating covalently bonded hydrophilic/hydrophobic micropatterns or luminescent surfaces. This demonstrates the high versatility and interest of this route.
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https://hal-univ-rennes1.archives-ouvertes.fr/hal-01205441
Contributor : Laurent Jonchère <>
Submitted on : Friday, September 25, 2015 - 2:52:36 PM
Last modification on : Saturday, July 11, 2020 - 3:18:57 AM

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Siham Telitel, Sofia Telitel, Jacques Lalevée, Olivier Soppera, Julien Bosson, et al.. UV-Induced Micropatterning of Complex Functional Surfaces by Photopolymerization Controlled by Alkoxyamines. Langmuir, American Chemical Society, 2015, 31 (36), pp.10026--36. ⟨10.1021/acs.langmuir.5b01681⟩. ⟨hal-01205441⟩

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