Physical Properties of Self-Assembled Porous Alumina Structures Filled with Iodine

Physical Properties of Self-Assembled Porous Alumina Structures Filled with Iodine

Self-assembled porous alumina structures (por Al2O3) were prepared by two-step anodization process and characterized by scanning electron microscopy.Filling quasi one-dimensional parallel nanochannels of por Al2O3 host matrixwith iodine guest substance by vapor phase adsorption method resulted inthe...

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Veröffentlicht in:Journal of self-assembly and molecular electronics 2023-03, p.27-40
Hauptverfasser: Alekseeva, Natalia, Cema, Grigory, Podorozhkin, Dmitry, Solovyev, Vladimir, Trifonov, Sergey, Veisman, Victor
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container_title Journal of self-assembly and molecular electronics
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creator Alekseeva, Natalia
Cema, Grigory
Podorozhkin, Dmitry
Solovyev, Vladimir
Trifonov, Sergey
Veisman, Victor
description Self-assembled porous alumina structures (por Al2O3) were prepared by two-step anodization process and characterized by scanning electron microscopy.Filling quasi one-dimensional parallel nanochannels of por Al2O3 host matrixwith iodine guest substance by vapor phase adsorption method resulted inthe formation of I/por Al2O3 nanocomposite. Electrical properties of thesenanocomposite samples were studied by alternating-current measurements ata frequency of 1 kHz. Ellipsometric measurements were carried out in thespectral range 350–1000 nm. Structural transition of iodine species from thechain structures to molecular iodine was found in I/por Al2O3 nanocompositeat ∼ 70 ◦C.
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