Influence of synthesis conditions on photoluminescent properties and paramagnetic centers of porous aluminum oxide formed in sulfuric acid

E. V. Kytina; Кытина Е. В.; E. A. Konstantinova; Константинова Е. А.; A. V. Pavlikov; Павликов А. В.; Yu. V. Nazarkina; Назаркина Ю. В.; D. A. Dronova; Дронова Д. А.

doi:10.7868/S3034646025100051

Influence of synthesis conditions on photoluminescent properties and paramagnetic centers of porous aluminum oxide formed in sulfuric acid

Authors: Kytina E.V.¹, Konstantinova E.A.¹, Pavlikov A.V.¹, Nazarkina Y.V.¹^,2, Dronova D.A.¹^,2
Affiliations:
1. Lomonosov Moscow State University
2. National Research University «Moscow Institute of Electronic Technology» - MIET
Issue: Vol 89, No 10 (2025)
Pages: 1548-1554
Section: Physics of magnetic phenomena: fundamental and applied research using magnetic resonance methods
URL: https://ogarev-online.ru/0367-6765/article/view/375818
DOI: https://doi.org/10.7868/S3034646025100051
ID: 375818

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Abstract

It is shown that it is possible to control the type and concentration of paramagnetic centers (F⁺ centers and molecular groups of Al-SO₄) in anodic aluminum oxide and the intensity of dye photoluminescence (using rhodamine B as an example) in its pores by varying the temperature of the sulfuric acid-based electrolyte. The obtained samples are promising for the development of optical sensor platforms.