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Abstract <p>It is shown that it is possible to control the type and concentration of paramagnetic centers (F<sup>+</sup> centers and Al–SO<sub>4</sub> molecular groups) in anodic alumina 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.</p>

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Influence of Synthesis Conditions on the Photoluminescence Properties and Paramagnetic Centers of Porous Alumina Formed in Sulfuric Acid

  • 期刊论文

  • 发表日期：

    2025年10月28日

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  • E. V. Kytina,
  • E. A. Konstantinova,
  • A. V. Pavlikov,
  • Yu. V. Nazarkina,
  • D. A. Dronova

摘要

Abstract

It is shown that it is possible to control the type and concentration of paramagnetic centers (F+ centers and Al–SO4 molecular groups) in anodic alumina 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.