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Markowska-Szczupak A, Paszkiewicz O, Yoshiiri K, Wang K, Kowalska E. Can photocatalysis help in the fight against COVID-19 pandemic? CURRENT OPINION IN GREEN AND SUSTAINABLE CHEMISTRY 2023; 40:100769. [PMID: 36846296 PMCID: PMC9942773 DOI: 10.1016/j.cogsc.2023.100769] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 01/21/2023] [Accepted: 01/24/2023] [Indexed: 06/18/2023]
Abstract
Mould fungi are serious threats to humans and animals (allergen) and might be the main cause of COVID-19-associated pulmonary aspergillosis. The common methods of disinfection are not highly effective against fungi due to the high resistance of fungal spores. Recently, photocatalysis has attracted significant attention towards antimicrobial action. Outstanding properties of titania photocatalysts have already been used in many areas, e.g., for building materials, air conditioner filters, and air purifiers. Here, the efficiency of photocatalytic methods to remove fungi and bacteria (risk factors for Severe Acute Respiratory Syndrome Coronavirus 2 co-infection) is presented. Based on the relevant literature and own experience, there is no doubt that photocatalysis might help in the fight against microorganisms, and thus prevent the severity of COVID-19 pandemic.
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Affiliation(s)
- Agata Markowska-Szczupak
- Department of Chemical and Process Engineering, West Pomeranian University of Technology in Szczecin, Piastow 42, 71-065 Szczecin, Poland
| | - Oliwia Paszkiewicz
- Department of Chemical and Process Engineering, West Pomeranian University of Technology in Szczecin, Piastow 42, 71-065 Szczecin, Poland
| | - Kenta Yoshiiri
- Institute for Catalysis (ICAT), Hokkaido University, N21, W10, 001-0021 Sapporo, Japan
- Graduate School of Environmental Science, Hokkaido University, N10, W5, 060-0810 Sapporo, Japan
| | - Kunlei Wang
- Institute for Catalysis (ICAT), Hokkaido University, N21, W10, 001-0021 Sapporo, Japan
| | - Ewa Kowalska
- Institute for Catalysis (ICAT), Hokkaido University, N21, W10, 001-0021 Sapporo, Japan
- Graduate School of Environmental Science, Hokkaido University, N10, W5, 060-0810 Sapporo, Japan
- Faculty of Chemistry, Jagiellonian University, Gronostajowa 2, 30-387 Krakow, Poland
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Kovalevskiy N, Svintsitskiy D, Cherepanova S, Yakushkin S, Martyanov O, Selishcheva S, Gribov E, Kozlov D, Selishchev D. Visible-Light-Active N-Doped TiO 2 Photocatalysts: Synthesis from TiOSO 4, Characterization, and Enhancement of Stability Via Surface Modification. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12234146. [PMID: 36500767 PMCID: PMC9739126 DOI: 10.3390/nano12234146] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/29/2022] [Revised: 11/18/2022] [Accepted: 11/21/2022] [Indexed: 05/13/2023]
Abstract
This paper describes the chemical engineering aspects for the preparation of highly active and stable nanocomposite photocatalysts based on N-doped TiO2. The synthesis is performed using titanium oxysulfate as a low-cost inorganic precursor and ammonia as a precipitating agent, as well as a source of nitrogen. Mixing the reagents under a control of pH leads to an amorphous titanium oxide hydrate, which can be further successfully converted to nanocrystalline anatase TiO2 through calcination in air at an increased temperature. The as-prepared N-doped TiO2 provides the complete oxidation of volatile organic compounds both under UV and visible light, and the action spectrum of N-doped TiO2 correlates to its absorption spectrum. The key role of paramagnetic nitrogen species in the absorption of visible light and in the visible-light-activity of N-doped TiO2 is shown using the EPR technique. Surface modification of N-doped TiO2 with copper species prevents its intense deactivation under highly powerful radiation and results in a nanocomposite photocatalyst with enhanced activity and stability. The photocatalysts prepared under different conditions are discussed regarding the effects of their characteristics on photocatalytic activity under UV and visible light.
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Affiliation(s)
- Nikita Kovalevskiy
- Department of Unconventional Catalytic Processes, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
| | - Dmitry Svintsitskiy
- Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
| | - Svetlana Cherepanova
- Department of Heterogeneous Catalysis, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
| | - Stanislav Yakushkin
- Department of Physicochemical Methods of Research, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
| | - Oleg Martyanov
- Department of Physicochemical Methods of Research, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
| | | | - Evgeny Gribov
- Department of Unconventional Catalytic Processes, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
| | - Denis Kozlov
- Department of Unconventional Catalytic Processes, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
| | - Dmitry Selishchev
- Department of Unconventional Catalytic Processes, Boreskov Institute of Catalysis, Novosibirsk 630090, Russia
- Correspondence: ; Tel.: +73-8-3326-9429
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Yoshiiri K, Karabiyik B, Wang K, Wei Z, Colbeau-Justin C, Kowalska E. The property-governed activity of silver-modified titania photocatalysts: The influence of titania matrix. J Chem Phys 2022; 156:244706. [DOI: 10.1063/5.0097762] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Commercial titania photocatalysts were modified with silver nanoparticles (NPs) by the photodeposition method in the presence/absence of methanol. The obtained photocatalysts were characterized by XRD, XPS, diffuse reflectance spectroscopy, STEM, and time-resolved microwave conductivity (TRMC) methods. The photocatalytic activity was tested under UV/vis irradiation for (i) methanol dehydrogenation (during silver deposition), (ii) oxygen evolution with in situ silver deposition, and (iii) oxidative decomposition of acetic acid, as well as under vis irradiation for 2-propanol oxidation. The action spectra of 2-propanol oxidation were also performed. It has been confirmed that modification of titania with silver causes significant improvement of photocatalytic activity under both UV and vis irradiation as silver works as an electron scavenger (TRMC data) and vis activator (possibly by an energy transfer mechanism). The obtained activities differ between titania samples significantly, suggesting that the type of crystalline phase, particle/crystallite sizes, and electron traps’ density are crucial for both the properties of formed silver deposits and resultant photocatalytic activity. It might be concluded that, under UV irradiation, (i) high crystallinity and large specific surface area are recommended for rutile- and anatase-rich samples, respectively, during hydrogen evolution, (ii) mixed crystalline phases cause a high rate of oxygen evolution from water, and (iii) anatase phase with fine silver NPs results in efficient decomposition of acetic acid, whereas under vis irradiation the aggregated silver NPs (broad localized surface plasmon resonance peak) on the rutile phase are promising for oxidation reactions.
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Affiliation(s)
- Kenta Yoshiiri
- Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan
- Institute for Catalysis (ICAT), Hokkaido University, Sapporo, Japan
| | - Baris Karabiyik
- Institute for Catalysis (ICAT), Hokkaido University, Sapporo, Japan
| | - Kunlei Wang
- Institute for Catalysis (ICAT), Hokkaido University, Sapporo, Japan
- Northwest Research Institute, Co. Ltd. of C.R.E.C., Lanzhou, China
| | - Zhishun Wei
- Hubei Provincial Key Laboratory of Green Materials for Light Industry, Hubei University of Technology, Wuhan, People's Republic of China
| | | | - Ewa Kowalska
- Graduate School of Environmental Science, Hokkaido University, Sapporo, Japan
- Institute for Catalysis (ICAT), Hokkaido University, Sapporo, Japan
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Shehab MA, Sharma N, Valsesia A, Karacs G, Kristály F, Koós T, Leskó AK, Nánai L, Hernadi K, Németh Z. Preparation and Photocatalytic Performance of TiO 2 Nanowire-Based Self-Supported Hybrid Membranes. Molecules 2022; 27:molecules27092951. [PMID: 35566300 PMCID: PMC9099960 DOI: 10.3390/molecules27092951] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/28/2022] [Accepted: 05/03/2022] [Indexed: 11/16/2022] Open
Abstract
Nowadays, the use of hybrid structures and multi-component materials is gaining ground in the fields of environmental protection, water treatment and removal of organic pollutants. This study describes promising, cheap and photoactive self-supported hybrid membranes as a possible solution for wastewater treatment applications. In the course of this research work, the photocatalytic performance of titania nanowire (TiO2 NW)-based hybrid membranes in the adsorption and degradation of methylene blue (MB) under UV irradiation was investigated. Characterization techniques such as scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive X-ray spectroscopy (EDS), X-ray powder diffractometry (XRD) were used to study the morphology and surface of the as-prepared hybrid membranes. We tested the photocatalytic efficiency of the as-prepared membranes in decomposing methylene blue (MB) under UV light irradiation. The hybrid membranes achieved the removal of MB with a degradation efficiency of 90% in 60 min. The high efficiency can be attributed to the presence of binary components in the membrane that enhanced both the adsorption capability and the photocatalytic ability of the membranes. The results obtained suggest that multicomponent hybrid membranes could be promising candidates for future photocatalysis-based water treatment technologies that also take into account the principles of circular economy.
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Affiliation(s)
- Mohammed Ahmed Shehab
- Faculty of Materials Science and Engineering, University of Miskolc, H-3515 Miskolc, Hungary;
- Polymers and Petrochemicals Engineering Department, Basrah University for Oil and Gas, Basrah 61004, Iraq
| | - Nikita Sharma
- Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, H-3515 Miskolc, Hungary;
| | - Andrea Valsesia
- European Commission, Joint Research Centre (JRC), 21027 Ispra, Italy;
| | - Gábor Karacs
- MTA-ME Materials Science Research Group, ELKH, H-3515 Miskolc, Hungary;
| | - Ferenc Kristály
- Institute of Mineralogy and Geology, University of Miskolc, H-3515 Miskolc, Hungary;
| | - Tamás Koós
- Institute of Energy and Quality Affairs, University of Miskolc, H-3515 Miskolc, Hungary; (T.K.); (A.K.L.)
| | - Anett Katalin Leskó
- Institute of Energy and Quality Affairs, University of Miskolc, H-3515 Miskolc, Hungary; (T.K.); (A.K.L.)
| | - Lilla Nánai
- Institute of Physical Metallurgy, Metal Forming and Nanotechnology, University of Miskolc, H-3515 Miskolc, Hungary;
| | - Klara Hernadi
- Institute of Physical Metallurgy, Metal Forming and Nanotechnology, University of Miskolc, H-3515 Miskolc, Hungary;
- Correspondence: (K.H.); (Z.N.)
| | - Zoltán Németh
- Advanced Materials and Intelligent Technologies Higher Education and Industrial Cooperation Centre, University of Miskolc, H-3515 Miskolc, Hungary;
- Correspondence: (K.H.); (Z.N.)
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Enhanced Photocatalytic Activity of Hierarchical Bi2WO6 Microballs by Modification with Noble Metals. Catalysts 2022. [DOI: 10.3390/catal12020130] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Visible-responsive photocatalysts for environmental purification and fuel generation are, currently, highly sought after. Among the possible candidates, Bi2WO6 (BWO) has been considered due to its efficient light harvesting, stability, and promising activities. Here, hierarchical BWO microballs have been prepared using a hydrothermal method, and additionally modified with deposits of noble metals (gold, silver, copper, palladium and platinum) by the photodeposition method. The structure, morphology, photoabsorption properties, and surface composition of bare and metal-modified BWO samples were investigated by XRD, SEM, DRS and XPS analyses. The photocatalytic activity was evaluated by the oxidative degradation of model dye (methyl orange (MO)) under UV/vis, and hydrogen generation under vis and/or UV irradiation. It was found that hierarchical morphology is detrimental for high photocatalytic activity in both tested systems, resulting in the improved degradation of MO (ca. 65% during 90 min of UV/vis irradiation), and hydrogen evolution (0.1 and 0.4 μmol h−1 under vis and UV/vis irradiation, respectively). Moreover, the type of noble metal and its properties influence the overall photocatalytic performance. It was found that, under UV/vis irradiation, only platinum accelerates hydrogen evolution, whereas under vis irradiation the activity follows the order: BWO < BWO/Cu < BWO/Ag < BWO/Pt < BWO/Pd < BWO/Au. It was concluded that zero-valent metal is recommended for high vis response, probably due to plasmonic photocatalysis, efficient light harvesting ability, and co-catalytic role.
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Markowska-Szczupak A, Paszkiewicz O, Michalkiewicz B, Kamińska A, Wróbel RJ. Fabrication of Antibacterial Metal Surfaces Using Magnetron-Sputtering Method. MATERIALS (BASEL, SWITZERLAND) 2021; 14:7301. [PMID: 34885454 PMCID: PMC8658246 DOI: 10.3390/ma14237301] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 11/25/2021] [Accepted: 11/27/2021] [Indexed: 12/11/2022]
Abstract
One-hundred-nanometer films consisting of silver, copper, and gold nanocrystallites were prepared, and their antibacterial properties were quantitatively measured. The magnetron-sputtering method was used for the preparation of the metallic films over the glass plate. Single- and double-layer films were manufactured. The films were thoroughly characterized with the XRD, SEM, EDS, and XPS methods. The antibacterial activity of the samples was investigated. Gram-negative Escherichia coli, strain K12 ATCC 25922 (E. coli), and Gram-positive Staphylococcus epidermidis, ATCC 49461 (S. epidermidis), were used in the microbial tests. The crystallite size was about 30 nm in the cases of silver and gold and a few nanometers in the case of copper. Significant oxidation of the copper films was proven. The antibacterial efficacy of the tested samples followed the order: Ag/Cu > Au/Cu > Cu. It was concluded that such metallic surfaces may be applied as contact-killing materials for a more effective fight against bacteria and viruses.
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Affiliation(s)
- Agata Markowska-Szczupak
- Department of Chemical and Process Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland;
| | - Oliwia Paszkiewicz
- Department of Chemical and Process Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland;
| | - Beata Michalkiewicz
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland; (B.M.); (A.K.); (R.J.W.)
| | - Adrianna Kamińska
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland; (B.M.); (A.K.); (R.J.W.)
| | - Rafał Jan Wróbel
- Department of Catalytic and Sorbent Materials Engineering, Faculty of Chemical Technology and Engineering, West Pomeranian University of Technology in Szczecin, Piastów Ave. 42, 71-065 Szczecin, Poland; (B.M.); (A.K.); (R.J.W.)
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Morphology-Governed Performance of Multi-Dimensional Photocatalysts for Hydrogen Generation. ENERGIES 2021. [DOI: 10.3390/en14217223] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
In the past few decades, extensive studies have been performed to utilize the solar energy for photocatalytic water splitting; however, up to the present, the overall efficiencies reported in the literature are still unsatisfactory for commercialization. The crucial element of this challenging concept is the proper selection and design of photocatalytic material to enable significant extension of practical application perspectives. One of the important features in describing photocatalysts, although underestimated, is particle morphology. Accordingly, this review presents the advances achieved in the design of photocatalysts that are dedicated to hydrogen generation, with an emphasis on the particle morphology and its potential correlation with the overall reaction performance. The novel concept of this work—with the content presented in a clear and logical way—is based on the division into five parts according to dimensional arrangement groups of 0D, 1D, 2D, 3D, and combined systems. In this regard, it has been shown that the consideration of the discussed aspects, focusing on different types of particle morphology and their correlation with the system’s efficiency, could be a promising route for accelerating the development of photocatalytic materials oriented for solar-driven hydrogen generation. Finally, concluding remarks (additionally including the problems connected with experiments) and potential future directions of particle morphology-based design of photocatalysts for hydrogen production systems have been presented.
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Abstract
Plasmonic photocatalysts, i [...]
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