Phase composition and molecular bonds of hybrid porous siliconnanostructures with precipitated cinnarizine

Evelina P. Domashevskaya; Aleksandr S. Lenshin; Yulia A. Polkovnikova; Vera E. Frolova; Olga V. Chernousova; Igor E. Zanin

doi:10.17308/kcmf.2026.28/13968

Authors

Evelina P. Domashevskaya Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation
Aleksandr S. Lenshin Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation , Voronezh State University of Engineering Technologies, 19, Revolution av., Voronezh 394036, Russian Federation
Yulia A. Polkovnikova Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation
Vera E. Frolova Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation
Olga V. Chernousova Voronezh State University of Engineering Technologies, 19, Revolution av., Voronezh 394036, Russian Federation
Igor E. Zanin Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation

DOI:

https://doi.org/10.17308/kcmf.2026.28/13968

Keywords:

Mesoporous silicon (por-Si), Crystalline and amorphous cinnarizine (CIN), Hybrid CIN/por-Si nanostructures, IR transmission spectra, UV absorption spectra

Abstract

Objectives: This study aimed to form hybrid porous silicon – cinnarizine (CIN/por-Si) nanostructures and investigate their phase composition and molecular bonds.

Experimental: Cinnarizine was deposited on por-Si wafers using two methods: chemical deposition of cinnarizine in a hydrochloric acid solution and mechanical spin-coating of a cinnarizine-containing solution, both at room temperature and with heating to 50 °C. The resulting samples were analyzed using X-ray diffraction (XRD) analysis and optical IR and UV spectroscopy.

Conclusions: XRD results revealed the predominance of the amorphous cinnarizine phase in the CIN/por-Si hybrid nanostructures, with preservation of its molecular structure, as characterized by IR spectroscopy. UV spectroscopy revealed an additional direct band-to-band transition in the absorption spectra of the CIN/por-Si hybrid nanostructures, not belonging to por-Si, with an energy of ~1.5 eV. This transition may be related to the optical absorption properties of cinnarizine within the nanostructure, caused by its bonding with porous silicon

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Author Biographies

Evelina P. Domashevskaya, Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation

Dr. Sci. (Phys.–Math.), Full Professor, Department of Solid State Physics and Nanostructures, Voronezh State University (Voronezh, Russian Federation)
Aleksandr S. Lenshin, Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation, Voronezh State University of Engineering Technologies, 19, Revolution av., Voronezh 394036, Russian Federation

Dr. Sci. (Phys.–Math.), Leading Researcher, Department of Solid State Physics and Nanostructures, Voronezh State University (Voronezh, Russian Federation)
Yulia A. Polkovnikova, Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation

Dr. Sci. (Pharmacy), Associate Professor, Associate Professor of the Department of Pharmaceutical Technology and Pharmaceutical Chemistry, Faculty of Pharmacy, Voronezh State University (Voronezh, Russian Federation)
Vera E. Frolova, Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation

Cand. Sci. (Phys.–Math.), Associate Professor, Department of Solid State Physics and Nanostructures, Voronezh State University (Voronezh, Russian Federation)
Olga V. Chernousova, Voronezh State University of Engineering Technologies, 19, Revolution av., Voronezh 394036, Russian Federation

Cand. Sci. (Chem.), Lecturer, Voronezh State University of Engineering Technologies (Voronezh, Russian Federation)
Igor E. Zanin, Voronezh State University, 1, Universitetskaya pl., Voronezh 394018, Russian Federation

Cand. Sci. (Phys.-Math.), ass. Prof., Assistant Professor, General Physics Department, Voronezh State University (Voronezh, Russian Federation)

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