Zobrazeno 1 - 10
of 112
pro vyhledávání: '"Oleg, V'yunov"'
Publikováno v:
Heliyon, Vol 9, Iss 4, Pp e15392- (2023)
La0.67LixTi1-xAlxO3 were synthesized using the sol-gel Pechini route. Ceramic samples were sintered in the temperature range of 1240–1300 °C in the air atmosphere. It was found that in the concentration range of 0.05 ≤ x 104 at frequencies up to
Externí odkaz:
https://doaj.org/article/8677d38000ee480e948bd3615ecae244
Akademický článek
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Publikováno v:
Advanced Electronic Materials; Mar2024, Vol. 10 Issue 3, p1-11, 11p
Autor:
Anatolii Belous, Sofiia Kobylianska, Oleg V’yunov, Pavlo Torchyniuk, Volodymyr Yukhymchuk, Oleksandr Hreshchuk
Publikováno v:
Nanoscale Research Letters, Vol 14, Iss 1, Pp 1-9 (2019)
Abstract The properties of films of organic-inorganic perovskites CH3NH3PbI2.98Cl0.02 depending on the ratio of starting reagents in solutions (PbI2:{CH3NH3I + CH3NH3Cl}) has been investigated. It was found that the formation of the perovskite struct
Externí odkaz:
https://doaj.org/article/da31aab5ad4144cea0d7e697e25d80f9
Publikováno v:
Nanoscale Research Letters, Vol 13, Iss 1, Pp 1-7 (2018)
Abstract The effect of starting reagents (PbI2:{CH3NH3I + CH3NH3Cl}) with different ratios in raw solutions on the microstructure of films of organic-inorganic perovskites CH3NH3PbI3-xClx, as well as on the electrical properties, has been investigate
Externí odkaz:
https://doaj.org/article/56acaeed21974f5abd3ad864a572f2cf
Autor:
Tetiana Plutenko, Oleg V'yunov, Oleksandr Fedorchuk, Sergii Solopan, Maksim Plutenko, Boris Khomenko
Publikováno v:
Ukrainian Chemistry Journal. 88:16-28
Solid solutions of nickel-zinc ferrites ZnxNi1-xFe2O4 were synthesized by two different methods: synthesis in microemulsions and by stepwise precipitation. The properties of the resulted nano-sized particles synthesized by two different methods were
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff94c516a241314a4fd1b6242d7dfbce
https://doi.org/10.33609/2708-129x.88.07.2022.16-28
https://doi.org/10.33609/2708-129x.88.07.2022.16-28
Publikováno v:
Ukrainian Chemistry Journal. 88:79-93
The peculiarities of formation and properties of organiс-inorganic MAPbI3 perovskite films, obtained from solutions with different ratios of starting reagents (PbI2:MAI = 1:1,1:2, and 1:3), in the DMF and DMSO solvents, studied. As the PbI2:MAI rati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8e6b0a8cf5775bed3f971dc37a855b17
https://doi.org/10.33609/2708-129x.88.04.2022.79-93
https://doi.org/10.33609/2708-129x.88.04.2022.79-93
Autor:
P. V. Torchyniuk, Volodymyr O. Yukhymchuk, Oleg V'yunov, Anatolii Belous, Serhii Vakarov, Oleksandr Hreshchuk
Publikováno v:
Ukrainian Chemistry Journal. 87:63-81
The organic-inorganic perovskite films CH3NH3PbI3 were synthesized from solutions with different ratios (1:1, 1:2 and 1:3) of initial reagents (PbI2 and CH3NH3I) in a DMF solvent. XRD and Raman spectroscopy shows that the perovskites are formed accor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::54d5c9925b86e4b1df9ec437a2b3ba6d
https://doi.org/10.33609/2708-129x.87.08.2021.63-81
https://doi.org/10.33609/2708-129x.87.08.2021.63-81
Autor:
Tetiana Plutenko, Oleg V'yunov, Anatolii Belous, Oleksandr Fedorchuk, Oleg Yanchevskii, Yuriy Stupin
Publikováno v:
2022 IEEE 41st International Conference on Electronics and Nanotechnology (ELNANO).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04b689cc5ab288ba91e7cfa28bb53f6d
https://doi.org/10.1109/elnano54667.2022.9926992
https://doi.org/10.1109/elnano54667.2022.9926992
Publikováno v:
Ukrainian Chemistry Journal. 87:47-60
A simple CaCu3Ti4O12 synthesis method by carbonate precipitation has been developed, which is not inferior to the known methods of precipitation from solutions. The optimum temperatures for the synthesis of powder (850 оС) and sintering of ceramics
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d7a6e749750e05a87101e28e297aad0a
https://doi.org/10.33609/2708-129x.87.07.2021.47-60
https://doi.org/10.33609/2708-129x.87.07.2021.47-60