Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Nazarii Danyliuk"'
Publikováno v:
Фізика і хімія твердого тіла, Vol 24, Iss 4, Pp 748-760 (2023)
Mn-substituted magnetite samples Fe3-xMnxO4 (x = 0.0; 0.02; 0.05; 0.1; 0.15; 0.2; 0.25) were synthesized using the co-precipitation method. X-ray diffraction patterns confirmed the formation of pure, well-crystallized manganese ferrite with a cubic s
Externí odkaz:
https://doaj.org/article/58956692cedd477e94789f3942c38cc0
Publikováno v:
Фізика і хімія твердого тіла, Vol 24, Iss 2, Pp 374-384 (2023)
Nanostructured TiO2/AgI photocatalyst under the action of ultraviolet or visible electromagnetic radiation effectively neutralizes organic pollutants in the aqueous environment. It is a nanostructure in which micro- and small mesopores of anatase TiO
Externí odkaz:
https://doaj.org/article/7b5738bb366f406cae8ebeb394b5ac65
Publikováno v:
Фізика і хімія твердого тіла, Vol 24, Iss 2, Pp 256-261 (2023)
The E. coli inactivation using hydrogen peroxide (H2O2) and cobalt ferrite granulated catalyst was investigated in a fixed-bed flow reactor. CoFe2O4 catalyst was synthesized by the co-precipitation method, granulated, and annealed at 1150°C. X-ray d
Externí odkaz:
https://doaj.org/article/8ef1d3dfa51b4db0a4a917d8f18eaf78
Autor:
Nazarii Danyliuk, Tetiana Tatarchuk, Ivan Mironyuk, Volodymyr Kotsyubynsky, Volodymyr Mandzyuk
Publikováno v:
Фізика і хімія твердого тіла, Vol 23, Iss 3, Pp 582-589 (2022)
The photocatalytic activity of four titanium dioxide samples (TiO2-P25 Degussa, PC105 Millennium, PC500 Millennium, and Anatase) was studied in the degradation of dyes (Congo Red (CR), Methyl Orange (MO), and Direct Red 23 (DR23)) using cost-effectiv
Externí odkaz:
https://doaj.org/article/1d8f8891f1e44899a74f20afc999011a
Autor:
Nazarii Danyliuk, Sofia Lischynska, Tetiana Tatarchuk, Volodymyr Kotsyubynsky, Volodymyr Mandzyuk
Publikováno v:
Фізика і хімія твердого тіла, Vol 23, Iss 1, Pp 77-88 (2022)
The paper presents a simple one-step "green" approach to the synthesis of magnetite nanoparticles. The magnetite nanoparticles were synthesized using fruit extract obtained from grape peels and grape pulp. The formation of magnetite nanoparticles was
Externí odkaz:
https://doaj.org/article/f5647283a0e84a739fae4a5b290c34ff
Publikováno v:
Фізика і хімія твердого тіла, Vol 22, Iss 4, Pp 697-710 (2021)
Fe-doped TiO2 (2, 5, 10, 15 and 20% wt. of Fe) photocatalysts have been synthesized by sol-gel method using titanium aquacomplex precursor. The structure and morphology have been characterized by XRD, BET, SEM, and EDS analyses, Mossbauer and IR spec
Externí odkaz:
https://doaj.org/article/f4e08593c0a44f778c71fee4c8906c0c
Publikováno v:
Water Science and Technology, Vol 84, Iss 2, Pp 469-483 (2021)
Color images taken by a smartphone camera were used to estimate the rate of advanced photo-oxidation reaction of Direct Red 23 (DR23) azo dye as a model organic pollutant. The red, green, blue color coordinates were tested to quantify the dye. Images
Externí odkaz:
https://doaj.org/article/598877c305ab48cfb402c60fc15cfd88
Publikováno v:
Фізика і хімія твердого тіла, Vol 22, Iss 1, Pp 73-79 (2021)
The oxidative degradation of Rhodamine B dye under ultraviolet irradiation was studied. The degradation rate was measured with using of smartphone camera. Photocatalytic degradation of the Rhodamine B dye over the P25-TiO2 catalyst has been found to
Externí odkaz:
https://doaj.org/article/f39b356764004c1ea5f568af45a68548
Autor:
Tetiana Tatarchuk, Nazarii Danyliuk, Ivanna Lapchuk, Alexander Shyichuk, Volodymyr Kotsyubynsky
Publikováno v:
Materials Today: Proceedings. 62:5805-5811
Publikováno v:
Фізика і хімія твердого тіла, Vol 22, Iss 4, Pp 697-710 (2021)
Fe-doped TiO2 (2, 5, 10, 15 and 20% wt. of Fe) photocatalysts have been synthesized by sol-gel method using titanium aquacomplex precursor. The structure and morphology have been characterized by XRD, BET, SEM, and EDS analyses, Mossbauer and IR spec