Methacrylate-Containing n-Derivatives of N,N-Diethyl-4-(Phenyldiazenyl)Aniline as Initiators in Two-Photon Polymerization

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Resumo

The possibility of using a number of methacrylate-containing N,N-diethyl-4-(phenyldiazenyl)anilines with various para-substituents with respect to the azo group (-H, -Br, -NO2) as photoinitiators of radical polymerization is considered. The electrochemical and photoluminescent properties of these compounds have been studied. In the presence of azo dyes, two-photon photopolymerization of pentaerythritol triacrylate was carried out by focused radiation from a femtosecond laser with a wavelength of 780 nm. Structures with minimum linear element sizes of 94 ± 5 nm were obtained by DLW nanolithography, as well as 3D microstructures of complex architecture.

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Sobre autores

M. Arsenyev

G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences

Email: zhiganshinae@mail.ru
Rússia, Nizhny Novgorod

E. Zhiganshin

G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences

Autor responsável pela correspondência
Email: zhiganshinae@mail.ru
Rússia, Nizhny Novgorod

D. Kolymagin

Moscow Institute of Physics and Technology (National Research University)

Email: zhiganshinae@mail.ru
Rússia, Dolgoprudny

V. Ilyichev

G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences

Email: zhiganshinae@mail.ru
Rússia, Nizhny Novgorod

R. Kovylin

G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences

Email: zhiganshinae@mail.ru
Rússia, Nizhny Novgorod

A. Vitukhnovsky

Moscow Institute of Physics and Technology (National Research University); P.N. Lebedev Physical Institute of the Russian Academy of Sciences

Email: zhiganshinae@mail.ru
Rússia, Dolgoprudny; Moscow

S. Chesnokov

G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences

Email: zhiganshinae@mail.ru
Rússia, Nizhny Novgorod

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2. Scheme 1

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3. Fig. 1. CVA curves of azo dyes 1 (a), 2 (b), 3 (c) and 4 (d). MeCN, Ag/AgCl/KCl(us.), 0.1 M (NBu4)ClO4, scanning speed – 200 mV s-1

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4. Fig. 2. Luminescence spectra of polymer samples based on PET and azo dyes 1 (a), 2 (b), 3 (c), 4 (d). In all graphs: curve 1 – Polypet without azo dye; curve 2 – spectrum of polypet with dye registered at room temperature; 3 – spectrum A polypet with a dye registered at 77 K. The excitation wavelength is 405 nm, the radiation power is 100 MW

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5. Fig. 3. SEM-image of linear elements from the composition K5 at magnification × 18000 times

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6. Fig. 4. SEM images of cylindrical spiral 3D microstructures obtained on the K5 composition at magnification of ×400 (a) and ×2500 (b) times

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