Mgr. Maryna Vorochta, Ph.D.

Office Phone
Building No. 1
E
Floor No. 1
1
Room No. 1
212
About Me

Scientific Field and Expertise

• Characterization of porous structure of materials using gas sorption analyses, mercury intrusion porosimetry and helium pycnometery
• Developing and synthesis of highly porous carbon-based adsorbent materials 
• Investigation of the ability of carbon materials to capture air pollutants, such as CO2 and volatile organic compounds
• Evaluation of selectivity, kinetics and isosteric heats of sorption process
• Synthesis and characterization of oxide-based glasses with determined properties

Texture Analysis Methods: Gravimetric and Volumetric sorption analyses, Mercury porosimetry, Helium pycnometery
Thermal Analysis Methods: Differential thermal analysis (DTA), Thermogravimetric analysis (TGA)
Other methods frequently used in my work: Raman spectroscopy, Scanning electron microscopy (SEM), Transmission electron microscopy (TEM), X-ray diffraction (XRD), Small-angle X-ray scattering (SAXS) 

Education

2011–2015: Ph.D. in Chemistry and Technology of Inorganic Materials
Faculty of Chemical Technology, University of Pardubice, Pardubice, Czech Republic 
Dissertation thesis: Structure and properties of TeO2 and GeO2 containing phosphate and borophosphate glasses

2006-2011: MSc. in Inorganic Chemistry
Faculty of Chemistry, Uzhhorod National University, Uzhhorod, Ukraine 
Master’s thesis: Phase equilibrium and properties of chalcogenides in the SnSe2-TeBiSe2-Bi2Se3 system

Work Experience

Since 2020: Research Scientist,Department of Geochemistry, IRSM CAS
2015-2019: Postdoctoral Fellow, Department of Geochemistry, IRSM CAS

Fellowship

2021-2022 (1 year): Postdoctoral Fellowship at Next Generation Fuel Cell Research Center (NEXT-FC) and International Research Center for Hydrogen Energy (HY30), Kyushu university, Japan (under the FY2020 JSPS Postdoctoral Fellowship for Research in Japan (Short-term) program).
Research title: “CO2 capture and H2 storage using macro-meso-microporous nitrogen doped carbons”

Researcher identifiers

WOS Researcher ID: E-4818-2017
Scopus Author ID: 57211720960 
ORCID ID: 0000-0002-8461-8830
Google Scholar 
 

Publishing Activity

2026

L. Blanco-Redondo, Y. Lobko, A.M. Darabut, J. Nováková, T.N. Dinhová, M. Vorokhta, M.G. Rogríguez, M. Dopita, M. Mazur, J. Hraníček, Y. Yakovlev, T. Hrbek, V. Matolín, I. Matolínová, Effect of titanium-based supports on the electrochemical activity and stability of iridium nanoparticle catalysts for OER in PEM water electrolyzer, Renewable Energy 256 (2026) 124295.

2025

M. Vorokhta, M.I.M. Kusdhany, M. Vorochta, Martina Švábová, M. Nishihara, K. Sasaki, S.M. Lyth, Acetone adsorption on hierarchically porous carbon foams: Effect of nitrogen doping and oxygen functional groups, Chemical Engineering Journal 521 (2025) 166784.

M. Švábová, M. Šváb, M. Vorokhta, M. Pohořelý, Evaluation of micropollutant removal from artificially recharged water using activated carbon, Journal of Hazardous Materials 494 (2025) 138504. 

M. Vorokhta, M. I. M. Kusdhany, M. Švábová, M. Nishihara, K. Sasaki, S. M. Lyth, Hierarchically porous carbon foams coated with carbon nitride: Insights into adsorbents for pre-combustion and post-combustion CO2 separation, Separation and Purification Technology 354(5) (2025) 129054.

2024

M. Švábová, M. Šváb, M. VorokhtaComparison of microwave and thermal reactivation of spent activated carbons: A pilot scale demonstration, Journal of Water Process Engineering 67 (2024) 106189. 

N. Kostkova, M. Vorokhta, M. Kormunda, R. Pilar, G. Sadovska, P. Honcova, E. Mikyskova, J. Moravkova, P. Sazama, Controlling the structure of nitrogen-doped zeolite-templated carbon for CO2 capture based on the synthesis conditions, Microporous and Mesoporous Materials 379 (2024) 113286. 

2023

M. Švábová, O. Bičáková, M. VorokhtaBiochar as an effective material for acetone sorption and the effect of surface area on the mechanism of sorption, Journal of Environmental Management 348 (2023) 119205. 

M. Vorokhta, J. Nováková, M. Dopita, I. Khalakhan, V. Kopecký, Jr., M. Švábová, Activated three-dimensionally ordered micromesoporous carbons for CO2 capture, Materials Today Sustainability 24 (2023) 100509. 

M. Vorokhta, M. I. M. Kusdhany, D. Vöröš, M. Nishihara, K. Sasaki, S. M. Lyth, Microporous carbon foams: the effect of nitrogen-doping on CO2 capture and separation via pressure swing adsorption, Chemical Engineering Journal 471 (2023) 144524. 

G. Sádovská, P. Honcová, J. Morávková, I. Jirka, M. Vorokhta, R. Pilař, J. Rathouský, D. Kaucký, E. Mikysková, P. Sazama, The thermal stability of carbon materials in the air: Quantitative structural investigation of thermal stability of carbon materials in air, Carbon 206 (2023) 211-225. 

2022

A. Madalina Darabut, Y. Lobko*, Y. Yakovlev, M. Gamón Rodríguez, K. Veltruská, B. Šmíd, P. Kúš, J. Nováková, M. Dopita, M. Vorokhta, V. Kopecký Jr., M. Procházka, I. Matolínová, V. Matolín, Influence of thermal treatment on the structure and electrical conductivity of thermally expanded graphite, Advanced Powder Technology 33(12) (2022) 103884. 

O. Purikova, I. Tkachenko, B. Šmíd, K. Veltruská, T. N. Dinhová, M. Vorokhta, V. Kopecký Jr., L. Hanyková, X. Ju, Free-Blockage Mesoporous Silica Nanoparticles Loaded with Cerium Oxide as ROS-Responsive and ROS-Scavenging Nanomedicine, Advanced Functional Materials 32 (2022) 2208316. 

M. Švábová, M., VorokhtaWater sorption and transport in Silurian shales, Journal of Petroleum Science and Engineering 210 (2022) 109980. 

Y.V. Yakovlev, M.G. Rodríguez, Y.V. Lobko, M. Vorokhta, P. Kúš, I. Matolínová, V. Matolín, Characterization of gas diffusion layer transport properties by limiting current approach, Electrochimica Acta 404 (2022) 139755. 

2021

X. Ju, M. Hubálek Kalbáčová, B. Šmíd, V. Johánek, M. Janata, T. N. Dinhová, T. Bělinová, M. Mazur, M. Vorokhta, L. Strnad, Poly(acrylic acid)-mediated synthesis of cerium oxide nanoparticles with tuneable oxidation state and their effect on regulating intracellular ROS level, Journal of Materials Chemistry B 9 (36) (2021) 7386-7400. 

M. Vorokhta, J. Morávková, M. Dopita, A. Zhigunov, M. Šlouf, R. Pilař, P. Sazama, Effect of micropores on CO2 capture in ordered mesoporous CMK-3 carbon at atmospheric pressure, Adsorption 27 (2021) 1221–1236. 

 Y.V. Yakovlev, Y.V. Lobko, M. Vorokhta, J. Nováková, M. Mazur, I. Matolínová, V. Matolín, Ionomer content effect on charge and gas transport in the cathode catalyst layer of proton-exchange membrane fuel cells, Journal of Power Sources 490 (2021) 229531. 

 2020

 H.G.T. Nguyen, C.M. Sims, B. Toman, J. Horn, R.D. van Zee, M. Thommes, R. Ahmad, J.F.M. Denayer, G. V. Baron, E. Napolitano, M. Bielewski, E. Mangano, S. Brandani, D.P. Broom, M.J. Benham, A. Dailly, F. Dreisbach, S. Edubilli, S. Gumma, J. Möllmer, M. Lange, M. Tian, T.J. Mays, T. Shigeoka, S. Yamakita, M. Hakuman, Y. Nakada, K. Nakai, J. Hwang, R. Pini, H. Jiang, A.D. Ebner, M.A. Nicholson, J.A. Ritter, J. Farrando-Pérez, C. Cuadrado-Collados, J. Silvestre-Albero, C. Tampaxis, T. Steriotis, D. Řimnáčová, M. Švábová, M. Vorokhta, H. Wang, E. Bovens, N. Heymans, G. De Weireld, A reference high-pressure CH4 adsorption isotherm for zeolite Y: results of an interlaboratory study, Adsorption 26 (2020) 1253-1266. 

 2019

 P. Hozák, M. Vorokhta, I. Khalakhan, K. Jarkovská, J. Cibulková, P. Fitl, J. Vlček, J. Fara, D. Tomeček, M. Novotný, M. Vorokhta, J. Lančok, I. Matolínová, M. Vrňata, Insight into the gas sensing properties of CuOx nanowires by near ambient pressure XPS, The Journal of Physical Chemistry, 123(49) (2019) 29739-29749. 

 M. Vorokhta, J. Morávková, D. Řimnáčová, R. Pilař, A. Zhigunov, M. Švábová, P. Sazama, CO2 capture using three-dimensionally ordered micromesoporous carbon, Journal of CO2 Utilization 31 (2019) 124–134. 

 Other

 M. Vorokhta, I. Khalakhan, M. Vondráček, D. Tomeček, M. Vorokhta, E. Marešová, J. Nováková, J. Vlček, P. Fitl, M. Novotný, P. Hozák, J. Lančok, M. Vrňata, I. Matolínová, V. Matolín, Surface Science Investigation of gas sensing mechanism of SnO2 based chemiresistor using near ambient pressure XPS, Surface Science 677 (2018) 284–290. 

 J. Pastvova, D. Kaucky, J. Moravkova, J. Rathousky, S. Sklenak, M. Vorokhta, L. Brabec, R. Pilar, I. Jakubec, E. Tabor, P. Klein, P. Sazama, The effect of enhanced accessibility of acid sites in micro-mesoporous mordenite zeolites on hydroisomerization of n-hexane, ACS Catalysis 7 (2017) 5781–5795. 

 K. Sklepić, M. Vorokhta, P. Mošner, L. Koudelka, A. Moguš-Milanković, Electrical Mobility of Silver-Ion in Ag2O–B2O3–P2O5–TeO2 Glasses, The Journal of Physical Chemistry B 118 (41) (2014) 12050–12058. 

 A. Moguš-Milanković, K. Sklepic, H. Blažanović, P. Mošner, M. Vorokhta, L. Koudelka, Influence of germanium oxide addition on the electrical properties of  Li2O-B2O3-P2O5 glasses, Journal of Power Sources 242 (2013) 91-98. 

 P. Mošner, M. Vorokhta, L. Koudelka, L. Montagne, B. Revel, K. Sklepic, A. Moguš-Milanković, Effect of germanium oxide on the structure and properties of lithium borophosphate glasses, Journal of Non-Crystalline Solids 375 (2013) 1-6. 

 P. Mošner, M. Vorokhta, L. Koudelka, Application of heating microscopy to the study of thermal behaviour of ZnO-P2O5-WO3 glasses, Journal of Thermal Analysis and Calorimetry 112 (2012) 659-664.

Lectures and Teaching

Practical work for master's and doctoral students from the Department of Surface and Plasma Science, Faculty of Mathematics and Physics, Charles University (whithin the course "Adsorption on solids").

Další informace

Collaboration

Kyushu University (Fukuoka, Japan)

University of Strathclyde, Faculty of Engineering (Glasgow, UK)

Charles University, Faculty of Mathematics and Physics (Prague, CZ)

J. Heyrovsky Institute of Physical Chemistry of the CAS (Prague, CZ)