Zobrazeno 1 - 10
of 48
pro vyhledávání: '"B. I. Rachiy"'
Autor:
I. M. Budzulyak, P. I. Kolkovskyi, B. I. Rachiy, M. I. Kolkovskyi, S. L. Revo, R. Y. Musiy, A. M. Gamarnyk, A. B. Hrubiak
Publikováno v:
Фізика і хімія твердого тіла, Vol 21, Iss 3, Pp 409-414 (2020)
In this work, the morphological and electrical properties of the composite nanoporous carbon material/thermally expanded graphite or acetylene black have been investigated. Nanoporous carbon material was obtained from plant materials by its thermoche
Externí odkaz:
https://doaj.org/article/e270f0c1520c44ce86e82a449553fda3
Autor:
B. K. Ostafiychuk, H. M. Kolkovska, I. P. Yaremiy, B. I. Rachiy, P. I. Kolkovskyi, N. Ya. Ivanichok, S. I. Yaremiy
Publikováno v:
Фізика і хімія твердого тіла, Vol 21, Iss 2, Pp 219-226 (2020)
In this work, the perovskite LaMnO3 material has been prepared based on the sol-gel process of synthesis with the participation of combustion. According to the X-ray phase analysis, it was determined that the obtained material consists of LaMnO3 one
Externí odkaz:
https://doaj.org/article/7a4899a6dc1c4f02a521fc03dabf29a2
Autor:
B. K. Ostafiychuk, M. I. Kolkovskyi, B. I. Rachiy, P. I. Kolkovskyi, N. Ya. Ivanichok, R. V. Ilnitsky
Publikováno v:
Фізика і хімія твердого тіла, Vol 21, Iss 1, Pp 27-34 (2020)
In this work, the porous structure of the carbon material and the crystalline structure of manganese oxide α - modification (α - MnO2) have been investigated. The electrochemical performance of symmetric and asymmetric supercapacitors (α - MnO2 /
Externí odkaz:
https://doaj.org/article/7a497178d8944efbb9ee365689874f54
Publikováno v:
Фізика і хімія твердого тіла, Vol 19, Iss 2, Pp 113-129 (2018)
Quantum dots (QDs) today belong to the central research objects of many scientific groups. The study of theproperties of structures of small size is important both for the further development of electronics, and for theimprovement of existing semicon
Externí odkaz:
https://doaj.org/article/61be38fc177c434bb25b4c970eb8d053
Publikováno v:
Фізика і хімія твердого тіла, Vol 16, Iss 2, Pp 341-346 (2016)
The work is devoted to the study of the behavior of electrochemical systems in K+ - containing solvents. As theelectrode material nanoporous carbon material was used, obtained by carbonization of plant material. Optimization ofthe pore size distribut
Externí odkaz:
https://doaj.org/article/8c32df88561949039701c89f5397d529
Autor:
I. M. Budzulyak, M. O. Nykoliuk, B. I. Rachiy, V. M. Vashchynsky, N. Ya. Ivanichok, А. V. Lutsas
Publikováno v:
Фізика і хімія твердого тіла, Vol 16, Iss 3, Pp 565-568 (2016)
The research is devoted to study the impact of charge-discharge processes in electrochemical capacitors. Nanoporous carbon material was used like electrode material , which was gotten through carbonization of raw plant material. The supercapacitor mo
Externí odkaz:
https://doaj.org/article/d40c18c45bac434dbeafa9f7d1d95a77
Publikováno v:
Journal of Vasyl Stefanyk Precarpathian National University, Vol 3, Iss 1, Pp 56-64 (2016)
The paper is devoted to the study of the thermochemical transformation in the process of obtaining and modification of nanoporous carbon. Nanoporous carbon material, which was gotten in carbonization process, is characterized by specific surface area
Externí odkaz:
https://doaj.org/article/52ec018e68cf44d4aca0bc6931cc68b4
Publikováno v:
Journal of Vasyl Stefanyk Precarpathian National University, Vol 3, Iss 1, Pp 80-87 (2016)
Nitrogen containing carbon materials with metal of oxides (Fe, Ni, Co) prepared by the chemical precipitation method have been shown to be outstanding novel materials for electrochemical capacitors. The electrochemical properties of the electrodes ha
Externí odkaz:
https://doaj.org/article/b9110b4c07a34e6ba0a80be889ecce09
Publikováno v:
Фізика і хімія твердого тіла, Vol 16, Iss 1, Pp 98-106 (2016)
This work is devoted to the study of the charge accumulation in the electric double layer on polarized electrode of the electrochemical systems. A series of samples of the nanoporous carbon material obtained from natural raw materials. In order to im
Externí odkaz:
https://doaj.org/article/0d620eb4029949bcac395feabb5352bb
Autor:
Andrii I. Kachmar, M.A. Hodlevska, Volodymyr Kotsyubynsky, Mykola Hodlevsky, I. P. Yaremiy, V. M. Boychuk, Ruslan Zapukhlyak, B. I. Rachiy
Publikováno v:
Applied Nanoscience. 12:1131-1138
Ultrafine copper ferrite CuFe2O4 and also CuFe2O4/rGO and CuFe2O4/Carbon composite materials were obtained using hydrothermal method. The effect of carbon component presence and thermal treatment in a range of 573–773 K on the phase state, morpholo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a376c830480508680eee3b2686f5db7
https://doi.org/10.1007/s13204-021-01773-z
https://doi.org/10.1007/s13204-021-01773-z