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Polymerization Photoinitiators with Near-Resonance Enhanced Two-Photon Absorption Cross-Section: Towards High-Resolution Photoresists with Improved Sensitivity

preprint
submitted on 16.07.2020 and posted on 17.07.2020 by Caroline Arnoux, tatsuki konishi, Emma Van Elslande, Eric Aymé Poutougnigni, jean-christophe Mulatier, Lhoussain Khrouz, Christophe Bucher, Elise Dumont, Kenji Kamada, Chantal Andraud, Patrice L. Baldeck, Ákos Bányász, Cyrille Monnereau
Synthesis of novel photoinitiators, spectroscopic (UV vis, fluorescence, steady state and time resolved), electrochemical and EPR studies of their photoinduced radical generation mechanisms, Z-scan measurements of their two-photon absorption cross section, two-photon polymerization at 532 nm, with a pulsed ns laser, material evaluation by scanning electron microscopy

Funding

New 3D printing capabilities based on an ultrasensitive nonlinear photosensitive resin – New-3Dprint

Agence Nationale de la Recherche

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Phenomenon Project Horizon 2020 research and innovation programme under grant agreement No 780278.

History

Email Address of Submitting Author

cyrille.monnereau@ens-lyon.fr

Institution

Université de Lyon, ENS de Lyon

Country

France

ORCID For Submitting Author

0000-0002-8928-2416

Declaration of Conflict of Interest

patent pending FR2007303

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