Unsymmetrical Methacrylate-Containing Benzylidene Cyclopentanone Dyes in One- and Two-Photon Photopolymerization

Two new photoinitiators of the α,α-bis(arylidene)cyclopentanone series having an unsymmetrical structure and containing two methacrylate units have been synthesized. The electrochemical and photoluminescent properties of the initiators have been studied. In the presence of the initiators, photopolym...

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Bibliographic Details
Published in:High energy chemistry 2022-10, Vol.56 (5), p.308-314
Main Authors: Zhiganshina, E. R., Arsenyev, M. V., Kolymagin, D. A., Baten’kin, M. A., Chesnokov, S. A., Vitukhnovsky, A. G.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Initiators
Nanolithography
Photochemistry
Photoinitiators
Photoluminescence
Photons
Photopolymerization
Physical Chemistry
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Summary:Two new photoinitiators of the α,α-bis(arylidene)cyclopentanone series having an unsymmetrical structure and containing two methacrylate units have been synthesized. The electrochemical and photoluminescent properties of the initiators have been studied. In the presence of the initiators, photopolymerization of pentaerythritol triacrylate was carried using radiation at λ = 365/405 nm (one-photon process) and focused femtosecond laser radiation with a wavelength of 780 nm (two-photon process). For each initiator, “fabrication windows” were determined and 3D microstructures of complex architecture were fabricated by DLW nanolithography.
ISSN:0018-1439
1608-3148
DOI:10.1134/S0018143922050174