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Journal of Electrochemical Science and Engineering, Vol. 12 No. 4, 2022.

Original scientific paper

https://doi.org/10.5599/jese.1301

Synthesis of porous indium phosphide with nickel oxide crystallites on the surface

Yana Suchikova orcid id orcid.org/0000-0003-4537-966X ; Berdyansk State Pedagogical University, Berdyansk, Ukraine
Ihor Bohdanov ; Berdyansk State Pedagogical University, Berdyansk, Ukraine
Sergii Kovachov ; Berdyansk State Pedagogical University, Berdyansk, Ukraine
Andriy Lazarenko ; Berdyansk State Pedagogical University, Berdyansk, Ukraine
Iryna Bardus ; Berdyansk State Pedagogical University, Berdyansk, Ukraine
Alma Dauletbekova ; L. N. Gumilyov Eurasian National University, Nur-Sultan 010008, Kazakhstan
Inesh Kenzhina ; Kazakh-British Technical University, Almaty 050000, Kazakhstan
Anatoli I. Popov ; L. N. Gumilyov Eurasian National University, Nur-Sultan 010008, Kazakhstan and Institute of Solid State Physics, University of Latvia, Riga LV-1063, Latvia

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Abstract

In this paper, the technology of synthesis of crystallites and nanocrystallites of nickel oxide on the surface of indium phosphide is described. This technology consists of two stages. In the first stage, porous indium phosphide is formed on the surface of a single crystal of indium phosphide. The formation of such a porous layer provides better adhesion to the surface of the sample. The second stage involves the preparation of the solution that contains nickel ions, application of this solution to the surface of porous indium phosphide, followed by annealing. As a result, NiO/NiC2O4∙2H2O/por-
-InP/mono-InP structure was formed. Surface morphological parameters were obtained using scanning electron microscopy and EDX-analysis of chemical composition. Chemical analysis confirmed the partial formation of nickel oxide from nickel oxalate layer by thermal annealing. Using scanning electron microscopy, it has been established that the crystallites have a large scatter in diameter, but they may be divided into three characteristic groups: macro-; meso- and nano­crystallites. Such structures may find prospects for application in electrochemical capacitors and lithium-ion batteries. Further research is needed for methodology improvement to obtain structures with predetermined controlled properties.

Keywords

nickel oxalate; annealing; electrochemical etching; coating; EDX spectrum

Hrčak ID:

283672

URI

https://hrcak.srce.hr/283672

Publication date:

18.9.2022.

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