TY - JOUR AU - Szilágyi, Imre Miklós AU - Kállay-Menyhárd, Alfréd AU - Kristóf, János AU - Korda, Sophie TI - EDITORIAL 2024: Journal of Thermal Analysis and Calorimetry JF - JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY J2 - J THERM ANAL CALORIM VL - 149 PY - 2024 SP - 1 EP - 11 PG - 11 SN - 1388-6150 DO - 10.1007/s10973-023-12752-7 UR - https://m2.mtmt.hu/api/publication/34463839 ID - 34463839 N1 - Export Date: 14 March 2024 CODEN: JTACF Correspondence Address: Szilágyi, I.M.; Department of Inorganic and Analytical Chemistry, Műegyetem Rakpart 3., Hungary; email: szilagyi.imre.miklos@vbk.bme.hu LA - English DB - MTMT ER - TY - JOUR AU - Barta Holló, Berta AU - Bayat, Niloofar AU - Nagyné Bereczki, Laura AU - Petrusevski, Vladimir AU - Béres, Kende Attila AU - Farkas, Attila AU - Szilágyi, Imre Miklós AU - Kótai, László TI - Spectroscopic and structural characterization of hexaamminecobalt(III) dibromide permanganate JF - JOURNAL OF THE SERBIAN CHEMICAL SOCIETY J2 - J SERB CHEM SOC VL - 88 PY - 2023 IS - 12 SP - 1237 EP - 1252 PG - 16 SN - 0352-5139 DO - 10.2298/JSC230702062B UR - https://m2.mtmt.hu/api/publication/34316828 ID - 34316828 N1 - Export Date: 23 February 2024 CODEN: JSCSE Correspondence Address: Kótai, L.; Institute of Materials and Environmental Chemistry, Magyar Tudósok krt. 2., Hungary; email: kotai.laszlo@ttk.hu AB - Structural and spectroscopic characterization (SXRD, IR, liq. N2 temperature Raman, UV) of hexaamminecobalt(III) dibromide permanganate, [Co(NH3)6]Br2(MnO4) (compound 1) are described. There is a 3D hydrogen bond network including N-H???O-Mn and N-H???Br interactions, which could serve as potential reaction centers for solid-phase redox reactions between the ammonia ligands and/or bromide ions as reductants and permanganate ions as oxidant agents. The effect of the nature of halogen ions on the structural and spectroscopic properties of [Co(NH3)6]Br2(MnO4) and the analogous chloride compound, [Co(NH3)6]Cl2(MnO4) (compound 2) are discussed in detail. LA - English DB - MTMT ER - TY - JOUR AU - Várhelyi, Csaba, ifj. AU - Szőke, Á. AU - Sziráki, Laura AU - Tomoaia-Cotișel, M. AU - Homonnay, Zoltán AU - Szalay, Roland AU - Simon-Várhelyi, M. AU - Mereu, R.-A. AU - Pokol, György AU - Szilágyi, Imre Miklós AU - Papp, J. AU - Mihály, Judith AU - Kuzmann, Ernő TI - Fe spin states and redox processes in Schiff base type complexes JF - JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY J2 - J RADIOANAL NUCL CHEM VL - 332 PY - 2023 IS - 10 SP - 4125 EP - 4139 PG - 15 SN - 0236-5731 DO - 10.1007/s10967-023-09095-w UR - https://m2.mtmt.hu/api/publication/34107401 ID - 34107401 N1 - Faculty of Chemistry and Chemical Engineering, Babeş-Bolyai University, Arany János 11, Cluj-Napoca, 400028, Romania Institute of Chemistry, Eötvös Loránd University, Pázmány Péter 1/a, Budapest, 1117, Hungary Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Műegyetem Rkp. 3, Budapest, 1111, Hungary Faculty of Biology and Geology, Babeş-Bolyai University, Gheorghe Bilaşcu 44, Cluj-Napoca, 400015, Romania Research Centre for Natural Sciences, Magyar Tudósok Körútja 2, Budapest, 1117, Hungary Export Date: 29 January 2024 CODEN: JRNCD Correspondence Address: Várhelyi, C.; Faculty of Chemistry and Chemical Engineering, Arany János 11, Romania; email: csaba.varhelyi@ubbcluj.ro LA - English DB - MTMT ER - TY - JOUR AU - Karajz, Dániel Attila AU - Szilágyi, Imre Miklós TI - Review of photocatalytic ZnO nanomaterials made by atomic layer deposition JF - SURFACES AND INTERFACES J2 - SURF INTERFACES VL - 40 PY - 2023 SN - 2468-0230 DO - 10.1016/j.surfin.2023.103094 UR - https://m2.mtmt.hu/api/publication/34069698 ID - 34069698 N1 - Export Date: 20 July 2023 Correspondence Address: Karajz, D.A.; Department of Inorganic and Analytical Chemistry, Muegyetem Rakpart 3, Hungary; email: karajz412@edu.bme.hu LA - English DB - MTMT ER - TY - JOUR AU - Vecsei, Gergő AU - Jáger, Gabriella AU - Juhász, Laura AU - Tomán, János AU - Odhiambo, Vincent Otieno AU - Szilágyi, Imre Miklós AU - Erdélyi, Zoltán AU - Cserháti, Csaba TI - Effect of stacking order in cylindrical geometry on the growth of ZnAl2O4 spinel phase JF - MATERIALIA J2 - MATERIALIA VL - 30 PY - 2023 PG - 5 SN - 2589-1529 DO - 10.1016/j.mtla.2023.101819 UR - https://m2.mtmt.hu/api/publication/34027209 ID - 34027209 N1 - Department of Solid State Physics, Faculty of Science and Technology, University of Debrecen, P.O. Box. 400, Debrecen, H-4002, Hungary Department of Solid State Physics, Doctoral School of Physics, Faculty of Science and Technology, University of Debrecen, P.O. Box. 400, Debrecen, H-4002, Hungary Department of Inorganic and Analytical Chemistry, Budapest University of Technology and Economics, Szt. Gellért sqr. 4, Budapest, H-1111, Hungary Export Date: 29 June 2023 Correspondence Address: Cserháti, C.; Department of Solid State Physics, P.O. Box. 400, Hungary; email: cserhati.csaba@science.unideb.hu AB - Growth kinetics of ZnAl2O4 spinel phase was followed in double layered nanotubes (DLNTs), i.e. in cylindrical geometry in two different layer sequences. DLNTs were annealed at 700 °C in ambient atmosphere for different times. ZnAl2O4 phase formed due to solid-state reaction. To follow the growth kinetics of the spinel, thin lamellae were prepared from the cross sections of the tubes and studied in a transmission mode scanning electron microscope (TSEM). The phase grows parabolically with time, independently of the layer sequence. The growth rate was higher in the )ZnO)AlO) layer sequence, than for the reverse case. This can be explained by the competing vacancy fluxes induced by mechanical stress developing during the solid-state reaction and by the difference in the diffusion fluxes of the two constituents. This is the first case that the influence of closed geometry and layer sequence on spinel growth between two oxide layers has been experimentally investigated. LA - English DB - MTMT ER - TY - JOUR AU - Bakos, László Péter AU - Bohus, Marcell AU - Szilágyi, Imre Miklós TI - Investigating the Reduction/Oxidation Reversibility of Graphene Oxide for Photocatalytic Applications JF - MOLECULES J2 - MOLECULES VL - 28 PY - 2023 IS - 11 SN - 1420-3049 DO - 10.3390/molecules28114344 UR - https://m2.mtmt.hu/api/publication/34023694 ID - 34023694 N1 - Export Date: 19 June 2023 CODEN: MOLEF Correspondence Address: Bohus, M.; Department of Inorganic and Analytical Chemistry, Szent Gellért tér 4, Hungary; email: bohus.mrc@gmail.com LA - English DB - MTMT ER - TY - JOUR AU - Udayakumar, Mahitha AU - Sharma, Nikita AU - Hernádi, Klára AU - Finšgar, Matjaž AU - Likozar, Blaz AU - Kocserha, István AU - Leskó, Máté Zsigmond AU - Karajz, Dániel Attila AU - Szilágyi, Imre Miklós AU - Németh, Zoltán TI - Bismuth oxychloride microcrystals decorated carbon foams based on waste polyurethane elastomer for enhanced removal of methylene blue JF - JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY A-CHEMISTRY J2 - J PHOTOCH PHOTOBIO A VL - 443 PY - 2023 PG - 14 SN - 1010-6030 DO - 10.1016/j.jphotochem.2023.114812 UR - https://m2.mtmt.hu/api/publication/33797577 ID - 33797577 N1 - Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, Miskolc, 3515, Hungary Institute of Chemistry, University of Miskolc, Miskolc, 3515, Hungary Institute of Physical Metallurgy, Metal Forming and Nanotechnology, University of Miskolc, Miskolc, 3515, Hungary Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, Maribor, SI-2000, Slovenia Department of Catalysis and Chemical Reaction Engineering, National Institute of Chemistry, Hajdrihova 19, Ljubljana, 1001, Slovenia Institute of Ceramic and Polymer Engineering, University of Miskolc, Miskolc, 3515, Hungary Department of Inorganic and Analytical Chemistry, Faculty of Chemical Technology and Biotechnology, Budapest University of Technology and Economics, Muegyetem Rakpart 3, Budapest, 1111, Hungary Export Date: 26 May 2023 CODEN: JPPCE Correspondence Address: Németh, Z.; Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, Hungary; email: kemnemet@uni-miskolc.hu LA - English DB - MTMT ER - TY - JOUR AU - Lemago, Hamsasew Hankebo AU - Addin, Feras Shugaa AU - Karajz, Dániel Attila AU - Igricz, Tamás AU - Parditka, Bence AU - Erdélyi, Zoltán AU - Hessz, Dóra AU - Szilágyi, Imre Miklós TI - Synthesis of TiO2/Al2O3 Double-Layer Inverse Opal by Thermal and Plasma-Assisted Atomic Layer Deposition for Photocatalytic Applications JF - NANOMATERIALS J2 - NANOMATERIALS-BASEL VL - 13 PY - 2023 IS - 8 PG - 14 SN - 2079-4991 DO - 10.3390/nano13081314 UR - https://m2.mtmt.hu/api/publication/33752929 ID - 33752929 N1 - Funding Agency and Grant Number: Ministry for Innovation and Technology; National Research, Development, and Innovation Fund of Hungary [TKP2021-NKTA-34]; NRDI Fund TKP2021 BME-NVA; Stipendium Hungaricum Funding text: The research reported in this paper and carried out at BME has been supported by the NRDI Fund TKP2021 BME-NVA based on the charter of bolster issued by the NRDI Office under the auspices of the Ministry for Innovation and Technology. Moreover, the project no.TKP2021-NKTA-34 has also been implemented with the support provided by the National Research, Development, and Innovation Fund of Hungary, financed under the TKP2021-NKTA funding scheme and we thank Stipendium Hungaricum for sponsoring study in Budapest University of Technology and Economics. AB - In comparison to conventional nano-infiltration approaches, the atomic layer deposition (ALD) technology exhibits greater potential in the fabrication of inverse opals (IOs) for photocatalysts. In this study, TiO2 IO and ultra-thin films of Al2O3 on IO were successfully deposited using thermal or plasma-assisted ALD and vertical layer deposition from a polystyrene (PS) opal template. SEM/EDX, XRD, Raman, TG/DTG/DTA-MS, PL spectroscopy, and UV Vis spectroscopy were used for the characterization of the nanocomposites. The results showed that the highly ordered opal crystal microstructure had a face-centered cubic (FCC) orientation. The proposed annealing temperature efficiently removed the template, leaving the anatase phase IO, which provided a small contraction in the spheres. In comparison to TiO2/Al2O3 plasma ALD, TiO2/Al2O3 thermal ALD has a better interfacial charge interaction of photoexcited electron–hole pairs in the valence band hole to restrain recombination, resulting in a broad spectrum with a peak in the green region. This was demonstrated by PL. Strong absorption bands were also found in the UV regions, including increased absorption due to slow photons and a narrow optical band gap in the visible region. The results from the photocatalytic activity of the samples show decolorization rates of 35.4%, 24.7%, and 14.8%, for TiO2, TiO2/Al2O3 thermal, and TiO2/Al2O3 plasma IO ALD samples, respectively. Our results showed that ultra-thin amorphous ALD-grown Al2O3 layers have considerable photocatalytic activity. The Al2O3 thin film grown by thermal ALD has a more ordered structure compared to the one prepared by plasma ALD, which explains its higher photocatalytic activity. The declined photocatalytic activity of the combined layers was observed due to the reduced electron tunneling effect resulting from the thinness of Al2O3. LA - English DB - MTMT ER - TY - JOUR AU - Verma, Ranjit K. AU - Szilágyi, Imre Miklós AU - Pielichowska, Kinga AU - Raftopoulos, Konstantinos N. AU - Šimon, Peter AU - Melnikov, Alexey P. AU - Ivanov, Dimitri A. TI - Good laboratory practice in thermal analysis and calorimetry JF - JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY J2 - J THERM ANAL CALORIM VL - - PY - 2023 SP - x SN - 1388-6150 DO - 10.1007/s10973-022-11877-5 UR - https://m2.mtmt.hu/api/publication/33589712 ID - 33589712 N1 - Funding Agency and Grant Number: Polish National Science Center [UMO-2016/21/B/ST8/00449]; Ministry of Education and Science [16.16.160.557]; Russian Foundation for Basic Research [19-29-12049]; Russian Science Foundation [22-73-00081]; Slovak scientific grant agency [1/0498/22]; NRDI Fund TKP2021 BME-NVA under Ministry for Innovation and Technology Funding text: One of the authors (KP) is grateful to the Polish National Science Center for financial support under contract No. UMO-2016/21/B/ST8/00449. Subsidy of the Ministry of Education and Science for the AGH University of Science and Technology in Krakow (Project No 16.16.160.557) is gratefully acknowledged. Authors (APM, DAI) thank Russian Foundation for Basic Research (project no. 19-29-12049) and Russian Science Foundation (project no. 22-73-00081) for the financial support. The author PS acknowledges the financial support from the Slovak scientific grant agency, grant No. 1/0498/22. The research reported in this paper and carried out at BME has been supported by the NRDI Fund TKP2021 BME-NVA based on the charter of bolster issued by the NRDI Office under the auspices of the Ministry for Innovation and Technology. LA - English DB - MTMT ER - TY - JOUR AU - Sharma, Nikita AU - Saszet, Kata AU - Szabó, Tamás AU - Karajz, Dániel Attila AU - Szilágyi, Imre Miklós AU - Garg, Seema AU - Pap, Zsolt AU - Hernádi, Klára TI - Demonstration of effectiveness: plant extracts in the tuning of BiOX photocatalysts' activity JF - CATALYSIS TODAY J2 - CATAL TODAY VL - 413-415 PY - 2023 PG - 10 SN - 0920-5861 DO - 10.1016/j.cattod.2022.12.015 UR - https://m2.mtmt.hu/api/publication/33429225 ID - 33429225 N1 - Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, Miskolc, HU-3515, Hungary Faculty of Physics, Babeș-Bolyai University, Mihail Kogalniceanu Street nr. 1., Cluj-Napoca, 400084, Romania Centre of Nanostructured Materials and Bio-Nano Interfaces, Institute for Interdisciplinary Research on Bio-Nano-Sciences, Babeș-Bolyai University, Treboniu Laurian Street nr. 42., Cluj-Napoca, 400271, Romania Institute of Ceramic and Polymer Engineering, University of Miskolc, Miskolc, HU-3515, Hungary Budapest University of Technology and Economics, Faculty of Chemical Technology and Biotechnology, Department of Inorganic and Analytical Chemistry, Muegyetem rakpart 3, Budapest, 1111, Hungary Department of Chemistry, Amity Institute of Applied Sciences, Amity University, Sector-125, U.P., Noida, 201313, India Department of Applied and Environmental Chemistry, University of Szeged, Rerrich Béla sqr.1, Szeged, HU-6720, Hungary Nanostructured Materials and Bio-Nano-Interfaces Center, Interdisciplinary Research Institute on Bio-Nano-Sciences, Babes-Bolyai University, Treboniu Laurian 42, RO, Cluj-Napoca, 400271, Romania Institute of Research-Development-Innovation in Applied Natural Sciences, Babes-Bolyai University, Fântânele Str. 30, RO, Cluj-Napoca, 400294, Romania Institute of Physical Metallurgy, Metal Forming and Nanotechnology, University of Miskolc, HU-3515 Miskolc-Egyetemváros, C/1 108, Miskolc, Hungary Export Date: 17 February 2023 CODEN: CATTE Correspondence Address: Sharma, N.; Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, Hungary; email: nikita_sh18@yahoo.co.in LA - English DB - MTMT ER -