Stripe Patterned Photonic Crystals: Preparation and Properties

KLIMONSKY, S.O.; ASHUROV, M.S.; ASTAFUROV, M.O.; EZHOV, A.A.

Авторы: KLIMONSKY S.O., ASHUROV M.S., ASTAFUROV M.O., EZHOV A.A.
Сборник: 6TH INTERNATIONAL CONFERENCE ON PHOTONICS RESEARCH (INTERPHOTONICS 2024). Oludeniz, Turkey, APRIL 18-24, 2024. Book of Abstracts
Тезисы
Год издания: 2024
Место издания: 6th International Conference on Photonics Research, Oludeniz, Turkey
Первая страница: 10
Последняя страница: 10
Номер статьи: Id-685
Аннотация: Miniaturization and multiplexing of photonic crystals (PhCs) are important aspects of their large-scale application. Here we present an approach based on the self-assembly of stripe patterned colloidal PhCs, followed by their inversion using a photocurable resin. SiO2 colloidal spheres were synthesized by seeded growth. The stripe patterned colloidal PhCs were obtained by the vertical deposition method with the intermittent motion of the meniscus. A polymerization of ethoxylate trimethylolpropane triacrylate photocurable resin filling voids in the stripe opal templates was used for the inversion. PhC properties of the periodically repeated inverse stripes were proved by recording local reflectance spectra, and reflectance peaks over 40 % associated with the first photonic stop band were observed. One of the most attractive applications of opal and inverse opal structures is the preparation of substrates for surface enhanced Raman scattering (SERS). Stripe patterned structures activated by a gold layer or gold nanoparticles can contain many microscopic SERS-active stripes periodically arranged on the same substrate and therefore seem very promising for automating multiple SERS tests.
Добавил в систему: Климонский Сергей Олегович

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