Laser Direct Writing of Arbitrary Complex Polymer Microstructures by Nitroxide-Mediated Photopolymerization

In this paper, we demonstrate the possibility of generating arbitrary polymer microstructures covalently linked to a first polymer layer by laser direct writing. At the molecular scale, the process relies on nitroxide-mediated photopolymerization triggered by a light-sensitive alkoxyamine. In additi...

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Bibliographic Details
Published in:ACS applied materials & interfaces 2020-07, Vol.12 (27), p.30779-30786
Main Authors: Telitel, Siham, Morris, Jason C, Guillaneuf, Yohann, Clément, Jean-Louis, Morlet-Savary, Fabrice, Spangenberg, Arnaud, Malval, Jean-Pierre, Lalevée, Jacques, Gigmes, Didier, Soppera, Olivier
Format: Article
Language:English
Subjects:
Applications of Polymer, Composite, and Coating Materials
Chemical Sciences
Material chemistry
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Summary:In this paper, we demonstrate the possibility of generating arbitrary polymer microstructures covalently linked to a first polymer layer by laser direct writing. At the molecular scale, the process relies on nitroxide-mediated photopolymerization triggered by a light-sensitive alkoxyamine. In addition to the proof of concept and examples of achievable structures, including multichemistry patterns and 3D structures, this paper aims at investigating the physicochemical phenomena involved under such conditions. In particular, the parameters influencing the repolymerization process are considered, and special attention is paid to the study of the impact of oxygen on the spatial control of the polymerization. Such a work opens many possibilities toward the fabrication of on-demand high-resolution (multi)­functional polymer micro and nanostructures.
ISSN:1944-8244
1944-8252
DOI:10.1021/acsami.0c06339