Výsledky vyhledávání - "Kh. V. Bandura"

Ultrafine beta-FeOOH and Fe3O4 obtained by precipitation method: comparative study of electrical and electrochemical properties

Autor: M.L. Mokhnatskyi, V.M. Boichuk, V.O. Kotsyubynsky, L.V. Mokhnatska, A. I. Kachmar, M.A. Hodlevska, V.V. Bachuk, Kh. V. Bandura

Publikováno v: Фізика і хімія твердого тіла, Vol 21, Iss 4, Pp 680-688 (2020)

In this work, ultrafine powders of b-FeOOH and Fe3O4 have been obtained by the precipitation method. The values of the specific surface area for materials b-FeOOH and Fe3O4 are 101 and 135 m2/h. Frequency dependences of specific electrical conductivi

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fdfd9961f7c1ccbaa80a763b4760a99f
https://doi.org/10.15330/pcss.21.4.680-688

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Modeling of Forming a Nanoporous Structure of Carbon Materials for Electrodes of Electrochemical Capacitors

Autor: Z.M. Lyubun, B. I. Rachiy, B. K. Ostafiychuk, R.P. Lisovskiy, Kh. V. Bandura, N.Ya. Ivanichok, M.I. Moiseienko

Publikováno v: Фізика і хімія твердого тіла, Vol 21, Iss 2, Pp 199-203 (2020)

The paper presents the results of predicting the physical properties of nanoporous carbon materials during synthesis with their subsequent use as an electrode material for electric double-layer capacitors. It has been established a multilayer neural

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::adcd42c240a9be1ee1947d0dbe542c0e
https://doi.org/10.15330/pcss.21.2.199-203

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Synthesis, morphology, electrical conductivity and electrochemical properties of α-Ni(OH)2 and its composites with carbon

Autor: O.M. Khemii, V.O. Kotsyubynsky, R.V. Ilnytskyi, L. S. Yablon, O. V. Morushko, V. M. Boychuk, Kh. V. Bandura, I.M. Budzuliak, M.M. Khemii

Publikováno v: Materials Science-Poland, Vol 37, Iss 4, Pp 547-553 (2019)

A simple and effective hydrothermal synthesis of spherical α-Ni(OH)2 particles and α-Ni(OH)2/carbon composites was proposed. The mechanism of ultrafine α-Ni(OH)2 phase forming and correlations between synthesis conditions, morphology, electrical c

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::17ce84ba13ab7665b3f48841cfd93d6c
https://doaj.org/article/022b9daa726946a08c8fa200b40a0d9d

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Reduced Graphene Oxide Obtained by Hummers and Marcano-Tour Methods: Comparison of Electrical Properties

Autor: Kh. V. Bandura, S. V. Fedorchenko, Volodymyr Kotsyubynsky, I. P. Yaremiy, V. M. Boychuk

Publikováno v: Journal of Nanoscience and Nanotechnology. 19:7320-7329

The aim of this paper is the comparison of structural, morphological and electrical properties of graphene oxide synthesized by Hummers and Marcano-Tour approaches and reduced graphene oxide obtained by hydrothermal hydrazine-assisted route. Obtained

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a2f2c4bb0686ec3c4db448dd72c7a90e
https://doi.org/10.1166/jnn.2019.16712

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The Mechanisms of Nickel-Iron Spinel Phase Nucleation in Aquous Solutions: Crystal Quasichemical Approach

Autor: B. Dzundza, V. Bojchuk, O. Khatsevych, V.O. Kotsyubynsky, Kh. V. Bandura, M. Hodlevska

Publikováno v: Фізика і хімія твердого тіла, Vol 20, Iss 2, Pp 156-164 (2019)

The phenomenological model of nikel-iron spinel nucleation with spinel structure based on the partial charge theory and analysis of hydrolysis and polycondensation processes at the interaction of Fe3+-, Fe2+- and Ni2+- hydroxocomplexes at different p

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::284e7d31c4bc17fd055a2907d4f54743
https://doi.org/10.15330/pcss.20.2.156-164

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β-Ni(OH)2/ reduced graphene oxide composite as electrode for supercapacitors

Autor: Kh. V. Bandura, A. B. Hrubiak, B. I. Rachiy, Volodymyr Kotsyubynsky, V. M. Boychuk, S. V. Fedorchenko

Publikováno v: Materials Today: Proceedings. 6:106-115

The electrochemical performance of Ni(OH)2 / reduced graphene oxide nanocomposite obtained by ultrasonic treatment of hydrothermal synthesized β-Ni(OH)2 and rGO has been investigated in alkaline medium. The material demonstrates good specific capaci

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::323f451fe64290f3ee258db3926c9417
https://doi.org/10.1016/j.matpr.2018.10.082

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Structural and electrical properties of nickel-iron spinel/reduced graphene oxide nanocomposites

Autor: V. M. Boychuk, B. I. Rachii, Kh. V. Bandura, S. V. Fedorchenko, V. O. Kotsyubunsky, I. P. Yaremiy

Publikováno v: Molecular Crystals and Liquid Crystals. 673:137-148

Nickel iron spinel/reduced graphene oxide composite material was synthesized by simultaneous hydrothermal treatment of nickel and ferric nitrates and graphene oxide colloidal solution obtained usin...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c00f8ae4b9e64080744926a9cd995a98
https://doi.org/10.1080/15421406.2019.1578503

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Effect of Nickel Ions Substitution on the Structural and Electrical Properties of a Nanosized Lithium-iron Ferrite Obtained by the Sol-gel Auto-combustion Method

Autor: Kh. V. Bandura, J. S. Mazurenko, N. V. Ostapovych, I. P. Yaremiy, L. S. Kaykan

Publikováno v: Journal of Nano- and Electronic Physics. 11:05041-1

Методом золь-гель автогоріння були синтезовані ферити шпінелі складу Li0.5 – x/2NixFe2.5 – x/2O4 (де х = 0.0, 0.2, 0.4, 0.6, 0.8, 1.0). Структурні властивості о�

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::503460983dbadf35ed2bd278364dbbf3
https://doi.org/10.21272/jnep.11(5).05041

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