Mariia Samsonenko
Current Organizations / Institutes
The organizations/institutes from the scholar's latest article
Research Subjects
Mariia Samsonenko has a total of 14 co-authors. Here are the top co-authors by number of shared publications:
- Svitlana Khalameida
Institute for Sorption and Problems of Endoecology, NAS of Ukraine, Kyiv, Ukraine
4 shared publications - Oleg Zakutevskyy
National Academy of Sciences of Ukraine
3 shared publications - Volodymyr Sydorchuk
Department of Oxidative Heterogeneous Catalytic Processes, Institute for Sorption and Problem of Endoecology, National Academy of Science of Ukraine, 03164 Kyiv, Ukraine
2 shared publications - Andrey Lakhnik
G.V. Kurdyumov Institute of Metal Physics NASU, 36 Acad. Vernadsky Bvd., 03142 Kyiv, Ukraine
1 shared publication - Barbara Charmas
Department of Chromatography, Institute of Chemical Sciences, Faculty of Chemistry, Maria Curie-Sklodowska University, Maria Curie-Sklodowska Sq. 3, 20-031 Lublin, Poland
1 shared publication - Dmytro Sugak
Lviv Polytechnic National University, Lviv, Ukraine
1 shared publication
Latest Publications
- 15 June 2023
- Published by Springer Nature in Applied Nanoscience
- Vol. 13 (11) , 7195-7202
Photocatalytic performance of mixed lithium niobates-tantalates prepared by mechanochemical method
- 15 June 2023
- Published by Springer Nature in Applied Nanoscience
- Vol. 13 (11) , 7195-7202
Photocatalytic performance of mixed lithium niobates-tantalates prepared by mechanochemical method
- 1 January 2023
- Published by National Academy of Sciences of Ukraine (Co. LTD Ukrinformnauka) (Publications) in Catalysis and Petrochemistry
- No. 34,p. 73-85
The influence of mechanochemical and microwave modification on the properties of SnO2 as photocatalyst
Samples of precipitated SnO2 were modified by means of mechanochemical and microwave treatment. Physicochemical properties of all samples were investigated using DTA, XRD, FTIR spectroscopy, nitrogen adsorption-desorption and UV-Vis spectroscopy. Photocatalytic activity was evaluated using the degradation of rhodamine B and safranin T under Vis-irradiation. It was found that the initial precipitated and modified samples correspond to the composition of tin oxyhydroxide - SnO(OH)х. It has been established that as a result of mechanochemical and microwave treatment of tin oxyhydroxide in the wet gel stage, it is possible to obtain photocatalytically active materials with a uniform mesoporous structure and high specific surface values and a band gap of about 3.5-3.6 eV. A peculiarity of the mechanochemical treatment of xerogels in water is the formation of a meso-macroporous structure. Relationship between physicochemical and photocatalytic properties of prepared samples has been discussed. The dependence of the efficiency of photocatalytic degradation of dyes on changes in the porous structure, the presence of defects on the surface of the catalyst, and its electronic characteristics was established.
- 1 January 2023
- Published by National Academy of Sciences of Ukraine (Co. LTD Ukrinformnauka) (Publications) in Catalysis and Petrochemistry
- No. 34,p. 73-85
The influence of mechanochemical and microwave modification on the properties of SnO2 as photocatalyst
Samples of precipitated SnO2 were modified by means of mechanochemical and microwave treatment. Physicochemical properties of all samples were investigated using DTA, XRD, FTIR spectroscopy, nitrogen adsorption-desorption and UV-Vis spectroscopy. Photocatalytic activity was evaluated using the degradation of rhodamine B and safranin T under Vis-irradiation. It was found that the initial precipitated and modified samples correspond to the composition of tin oxyhydroxide - SnO(OH)х. It has been established that as a result of mechanochemical and microwave treatment of tin oxyhydroxide in the wet gel stage, it is possible to obtain photocatalytically active materials with a uniform mesoporous structure and high specific surface values and a band gap of about 3.5-3.6 eV. A peculiarity of the mechanochemical treatment of xerogels in water is the formation of a meso-macroporous structure. Relationship between physicochemical and photocatalytic properties of prepared samples has been discussed. The dependence of the efficiency of photocatalytic degradation of dyes on changes in the porous structure, the presence of defects on the surface of the catalyst, and its electronic characteristics was established.
- Open Access
- 14 February 2019
- Published by Springer Nature in Adsorption
- Vol. 25 (3) , 451-457
Influence of mechanochemical and microwave modification on ion-exchange properties of tin dioxide with respect to uranyl ions
- 14 February 2019
- Published by Springer Nature in Adsorption
- Vol. 25 (3) , 451-457
Open AccessInfluence of mechanochemical and microwave modification on ion-exchange properties of tin dioxide with respect to uranyl ions
- Open Access
- 1 June 2017
- Published by SAGE Publications in Adsorption Science & Technology
- Vol. 35 (9-10) , 853-865
Dyes catalytic degradation using modified tin(IV) oxide and hydroxide powders
Mechanochemical modification of low-dispersed SnO2 and high-dispersed SnO(OH)2 powders with specific surface area 6 and 198 m2 g−1 have been studied. The crystal, porous, and electronic structure of obtained products, as well as their photocatalytic activity under visible light in the process of dyes degradation has been investigated. It has been established that high-dispersed powder is porous and poorly crystalline. Its specific surface area decreases after milling. On the contrary, low-dispersed powder is almost nonporous and well crystallized. Its specific surface area increases but degree of crystallinity reduces as a result of milling. Milling of both powders in water leads to formation of meso-macroporous structure. The narrowing of band gap and increase of adsorption of visible light occur after modification of low-dispersed sample. As a result, photocatalytic activity of milled powders under visible irradiation significantly increases. Maximal activity showed high-dispersed sample milled in air and water.
- 1 June 2017
- Published by SAGE Publications in Adsorption Science & Technology
- Vol. 35 (9-10) , 853-865
Open AccessDyes catalytic degradation using modified tin(IV) oxide and hydroxide powders
Mechanochemical modification of low-dispersed SnO2 and high-dispersed SnO(OH)2 powders with specific surface area 6 and 198 m2 g−1 have been studied. The crystal, porous, and electronic structure of obtained products, as well as their photocatalytic activity under visible light in the process of dyes degradation has been investigated. It has been established that high-dispersed powder is porous and poorly crystalline. Its specific surface area decreases after milling. On the contrary, low-dispersed powder is almost nonporous and well crystallized. Its specific surface area increases but degree of crystallinity reduces as a result of milling. Milling of both powders in water leads to formation of meso-macroporous structure. The narrowing of band gap and increase of adsorption of visible light occur after modification of low-dispersed sample. As a result, photocatalytic activity of milled powders under visible irradiation significantly increases. Maximal activity showed high-dispersed sample milled in air and water.