Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Volodymyr Yukhymchuk"'
Autor:
Volodymyr Dzhagan, Nazar Mazur, Olga Kapush, Mykola Skoryk, Yaroslav Pirko, Alla Yemets, Vladyslav Dzhahan, Petro Shepeliavyi, Mykhailo Valakh, Volodymyr Yukhymchuk
Publikováno v:
ACS Omega, Vol 9, Iss 4, Pp 4819-4830 (2024)
Externí odkaz:
https://doaj.org/article/a563aaeebaf9458ca738060121f2b7a9
Autor:
Volodymyr Dzhagan, Nazar Mazur, Olga Kapush, Oleksandr Selyshchev, Anatolii Karnaukhov, Oleg A. Yeshchenko, Mykola I. Danylenko, Volodymyr Yukhymchuk, Dietrich R. T. Zahn
Publikováno v:
Nanomaterials, Vol 13, Iss 5, p 921 (2023)
The parameters of the shell and interface in semiconductor core/shell nanocrystals (NCs) are determinant for their optical properties and charge transfer but are challenging to be studied. Raman spectroscopy was shown earlier to be a suitable informa
Externí odkaz:
https://doaj.org/article/37b587cdeb9c4240b0e352c54c88e52c
Autor:
Mykhailo Valakh, Alexander P. Litvinchuk, Yevhenii Havryliuk, Volodymyr Yukhymchuk, Volodymyr Dzhagan, Dmytro Solonenko, Sergei A. Kulinich, Lyudmyla Piskach, Yuriy Kogut, Lu He, Dietrich R. T. Zahn
Publikováno v:
Crystals, Vol 13, Iss 1, p 148 (2023)
AgGaGeS4 is an emerging material with promising nonlinear properties in the near- and mid-infrared spectral ranges. Here, the experimental phonon spectra of AgGaGeS4 single crystals synthesized by a modified Bridgman method are presented. The infrare
Externí odkaz:
https://doaj.org/article/4547351482b247e48c5627aa27f1d3e3
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
Autor:
Volodymyr Dzhagan, Oleksandr Smirnov, Mariia Kovalenko, Nazar Mazur, Oleksandr Hreshchuk, Nataliya Taran, Svitlana Plokhovska, Yaroslav Pirko, Alla Yemets, Volodymyr Yukhymchuk, Dietrich R. T. Zahn
Publikováno v:
Chemosensors, Vol 10, Iss 4, p 129 (2022)
The affordable and scalable synthesis of noble metal nanoparticles that are biocompatible without additional functionalization steps has been a growing field of research, stimulated by numerous prospective applications of these NPs. In the case of ph
Externí odkaz:
https://doaj.org/article/4c6e53072c0945b4b6f16b96b782dad1
Autor:
Volodymyr Dzhagan, Olga Kapush, Nazar Mazur, Yevhenii Havryliuk, Mykola I. Danylenko, Serhiy Budzulyak, Volodymyr Yukhymchuk, Mykhailo Valakh, Alexander P. Litvinchuk, Dietrich R. T. Zahn
Publikováno v:
Nanomaterials, Vol 11, Iss 11, p 2923 (2021)
Cu-Zn-Sn-Te (CZTTe) is an inexpensive quaternary semiconductor that has not been investigated so far, unlike its intensively studied CZTS and CZTSe counterparts, although it may potentially have desirable properties for solar energy conversion, therm
Externí odkaz:
https://doaj.org/article/2c6f8ff9fefd4dbb8cc736c25aefa1e9
Autor:
Volodymyr Dzhagan, Oleksandr Stroyuk, Oleksandra Raievska, Oksana Isaieva, Olga Kapush, Oleksandr Selyshchev, Volodymyr Yukhymchuk, Mykhailo Valakh, Dietrich R. T. Zahn
Publikováno v:
Nanomaterials, Vol 10, Iss 12, p 2565 (2020)
The environment strongly affects both the fundamental physical properties of semiconductor nanocrystals (NCs) and their functionality. Embedding NCs in polymer matrices is an efficient way to create a desirable NC environment needed for tailoring the
Externí odkaz:
https://doaj.org/article/c62bbf3713b64fddab19648351691048
Autor:
Serhii Krasnovyd, Andrii Konchits, Bella Shanina, Mykhailo Valakh, Volodymyr Yukhymchuk, Mykola Skoryk, Oleksandr Molchanov, Oleksandr Kamchatny
Publikováno v:
Mining of Mineral Deposits. 17:93-100
Purpose is to analyze influence mechanisms of physicochemical coal properties on the degree of outburst risk as well as desorption kinetics of methane. Methods of scanning electron microscopy (SEM), electron paramagnetic resonance (EPR), nuclear magn
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dd7153c1c345f1a4d17f5a9d03105977
https://doi.org/10.33271/mining17.01.093
https://doi.org/10.33271/mining17.01.093
Autor:
Oleksandr Smirnov, Volodymyr Dzhagan, Mariia Kovalenko, Oleksandr Gudymenko, Veronika Dzhagan, Nazar Mazur, Oksana Isaieva, Zoia Maksimenko, Serhiy Kondratenko, Mykola Skoryk, Volodymyr Yukhymchuk
Publikováno v:
RSC Advances. 13:756-763
Fungi and plants produce and excrete various proteins, enzymes, polysaccharides, and secondary metabolites, which may be used as media for the “green” synthesis of metal and semiconductor nanoparticles (NPs).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59ca5a604e1af3ab413ee80ef347bab7
https://doi.org/10.1039/d2ra05834k
https://doi.org/10.1039/d2ra05834k
Autor:
Volodymyr Dzhagan, Olga Kapush, Svitlana Plokhovska, Anastasiya Buziashvili, Yaroslav Pirko, Oleg Yeshchenko, Volodymyr Yukhymchuk, Alla Yemets, Dietrich R. T. Zahn
Publikováno v:
RSC Advances. 12:21591-21599
We report a new pathway for the synthesis of plasmonic gold nanoparticles (Au NPs) in a bio-compatible medium. A modified room temperature approach based on the standard Turkevich synthesis, using sodium citrate as a reducing and stabilizing agent, r
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e780efc984399b6cd00d82273302c0d6
https://doi.org/10.1039/d2ra03605c
https://doi.org/10.1039/d2ra03605c