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Godlewska K, Białk-Bielińska A, Mazierski P, Zdybel S, Sosnowska A, Górzyński D, Puzyn T, Zaleska-Medynska A, Klimczuk T, Paszkiewicz M. Assessment of the application of selected metal-organic frameworks as advanced sorbents in passive extraction used in the monitoring of contaminants of emerging concern in surface waters. Sci Total Environ 2024; 927:172215. [PMID: 38580117 DOI: 10.1016/j.scitotenv.2024.172215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Revised: 03/12/2024] [Accepted: 04/02/2024] [Indexed: 04/07/2024]
Abstract
Water pollution has become a critical global concern requiring effective monitoring techniques and robust protection strategies. Contaminants of emerging concern (CECs) are increasingly detected in various water sources, with their harmful effects on humans and ecosystems continually evolving. Based on literature reports highlighting the promising sorption properties of metal-organic frameworks (MOFs), the aim of this study was to evaluate the suitability of NH2-MIL-125 (Ti) and UiO-66 (Ce) as sorbents in passive sampling devices (MOFs-PSDs) for the collection and extraction of a wide group of CECs. Solvothermal methods were used to synthesize MOFs, and the characterization of the obtained materials was performed using field-emission scanning electron microscopy (FE-SEM), powder X-ray diffractometry (pXRD) and Fourier-transform infrared (FTIR) spectroscopy. The research demonstrated the sorption capabilities of the tested MOFs, the ease and rapidity of their chemical regeneration and the possibility of reuse as sorbents. Using chemometric analysis, the structural properties of CECs determining the sorption efficiency on the surface of NH2-MIL-125 (Ti) were identified. The MOFs-PSDs were lab-calibrated to examine the kinetics of analytes sorption and determine the sampling rates (Rs). MOFs-PSDs and CNTs-PSDs (PSDs containing carbon nanotubes as a sorbent) were then placed in the Elbląg River and the Vistula Lagoon to sampling and extraction of the target compounds from the water. CNTs-PSDs were selected, based on our previous research, for the comparison of the effectiveness of the MOFs-PSDs in environmental monitoring. MOFs-PSDs were successfully used in monitoring of CECs in water. The time-weighted average concentrations (CTWA) of 2-hydroxycarbamazepine, carbamazepine-10,11-epoxide, p-nitrophenol, 3,5-dichlorophenol and caffeine were determined in the Elbląg River and CTWA of metoprolol, diclofenac, 2-hydroxycarbamazepine, carbamazepine-10,11-epoxide, p-nitrophenol, 3,5-dichlorophenol and caffeine were determine in the Vistula Lagoon using MOFs-PSDs and a high-performance liquid chromatography coupled with triple quadrupole mass spectrometer.
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Affiliation(s)
- Klaudia Godlewska
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland.
| | - Anna Białk-Bielińska
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Szymon Zdybel
- Laboratory of Environmental Chemometrics, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland; QSAR Lab, ul. Trzy Lipy 3, Gdańsk, Poland
| | - Anita Sosnowska
- Laboratory of Environmental Chemometrics, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland; QSAR Lab, ul. Trzy Lipy 3, Gdańsk, Poland
| | - Daniel Górzyński
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Tomasz Puzyn
- Laboratory of Environmental Chemometrics, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland; QSAR Lab, ul. Trzy Lipy 3, Gdańsk, Poland
| | - Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Tomasz Klimczuk
- Department of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, 80-233 Gdansk, Poland
| | - Monika Paszkiewicz
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
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2
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Kozak M, Mazierski P, Żebrowska J, Klimczuk T, Lisowski W, Żak AM, Skowron PM, Zaleska-Medynska A. Detailed Insight into Photocatalytic Inactivation of Pathogenic Bacteria in the Presence of Visible-Light-Active Multicomponent Photocatalysts. Nanomaterials (Basel) 2024; 14:409. [PMID: 38470740 DOI: 10.3390/nano14050409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/16/2024] [Accepted: 02/19/2024] [Indexed: 03/14/2024]
Abstract
The use of heterogeneous photocatalysis in biologically contaminated water purification processes still requires the development of materials active in visible light, preferably in the form of thin films. Herein, we report nanotube structures made of TiO2/Ag2O/Au0, TiO2/Ag2O/PtOx, TiO2/Cu2O/Au0, and TiO2/Cu2O/PtOx obtained via one-step anodic oxidation of the titanium-based alloys (Ti94Ag5Au1, Ti94Cu5Pt1, Ti94Cu5Au1, and Ti94Ag5Pt1) possessing high visible light activity in the inactivation process of methicillin-susceptible S. aureus and other pathogenic bacteria-E. coli, Clostridium sp., and K. oxytoca. In the samples made from Ti-based alloys, metal/metal oxide nanoparticles were formed, which were located on the surface and inside the walls of the NTs. The obtained results showed that oxygen species produced at the surface of irradiated photocatalysts and the presence of copper and silver species in the photoactive layers both contributed to the inactivation of bacteria. Photocatalytic inactivation of E. coli, S. aureus, and Clostridium sp. was confirmed via TEM imaging of bacterium cell destruction and the detection of CO2 as a result of bacteria cell mineralization for the most active sample. These results suggest that the membrane ruptures as a result of the attack of active oxygen species, and then, both the membrane and the contents are mineralized to CO2.
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Affiliation(s)
- Magda Kozak
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Joanna Żebrowska
- Department of Molecular Biotechnology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Tomasz Klimczuk
- Faculty of Applied Physics and Mathematics, Gdansk University of Technology, 80-233 Gdansk, Poland
| | - Wojciech Lisowski
- Institute of Physical Chemistry, Polish Academy of Sciences, 01-224 Warsaw, Poland
| | - Andrzej M Żak
- Faculty of Chemistry, Wroclaw University of Science and Technology, 50-370 Wroclaw, Poland
| | - Piotr M Skowron
- Department of Molecular Biotechnology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
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3
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Łuczak J, Kroczewska M, Baluk M, Sowik J, Mazierski P, Zaleska-Medynska A. Morphology control through the synthesis of metal-organic frameworks. Adv Colloid Interface Sci 2023; 314:102864. [PMID: 37001207 DOI: 10.1016/j.cis.2023.102864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 02/27/2023]
Abstract
Designable morphology and predictable properties are the most challenging goals in material engineering. Features such as shape, size, porosity, agglomeration ratio significantly affect the final properties of metal-organic frameworks (MOFs) and can be regulated throughout synthesis parameters but require a deep understanding of the mechanisms of MOFs formation. Herein, we systematically summarize the effects of the individual synthesis factors, such as pH of reaction mixture, including acidic or basic character of modulators, temperature, solvents types, surfactants type and content and ionic liquids on the morphology of growing MOFs. We identified main mechanisms of MOFs' growth leading to different morphology of final particles and next systematically discuss the effect of miscellaneous parameters on MOFs morphology based on the main mechanisms related to the nucleation, growth and formation of final MOFs structure, including coordination modulation, protonation/deprotonation acting and modulation by surfactants or capping agents. The effect of microwaves and ultrasound employment during synthesis is also considered due to their affecting especially nucleation and particles growing steps during MOFs formation.
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Affiliation(s)
- Justyna Łuczak
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Malwina Kroczewska
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdańsk University of Technology, 80-233 Gdańsk, Poland
| | - Mateusz Baluk
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Jakub Sowik
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Paweł Mazierski
- Faculty of Chemistry, University of Gdańsk, Wita Stwosza 63, 80-308 Gdansk, Poland
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4
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Mazierski P, Wilczewska P, Lisowski W, Klimczuk T, Białk-Bielińska A, Zaleska-Medynska A, Siedlecka EM, Pieczyńska A. Solar-driven photoelectrocatalytic degradation of anticancer drugs using TiO 2 nanotubes decorated with SnS quantum dots. Dalton Trans 2022; 51:5962-5976. [PMID: 35348154 DOI: 10.1039/d2dt00407k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In recent years, the growing interest in applying photoelectrocatalysis (PEC) to decompose organic pollutants has resulted in the need to search for new photoelectrode materials with high activity under visible light radiation. The presented research showed an increased photoelectrocatalytic activity under sunlight of Ti/TiO2 sensitized with SnS quantum dots, obtained by the successive ionic layer adsorption and reaction (SILAR) method. The presence of SnS caused the enhanced absorption of visible irradiation and the reduction of recombination of generated charges by a p-n heterojunction created with the TiO2. The highest efficiency of photoelectrocatalytic degradation of anticancer drugs (ifosfamide, 5-fluorouracil, imatinib) was achieved for the SnS-Ti/TiO2 photoelectrode with a SnS quantum dot size from 4 to 10 nm. In addition, a decrease of IF PEC degradation efficiency was observed with increasing pH and with the presence of Cl-, NO3-, HCO3- and organic matter in the treated solution. Studies of the PEC mechanism have shown that drug degradation occurs mainly as a result of the direct and indirect action of photogenerated holes on the SnS-Ti/TiO2 photoelectrode, and the identified degradation products allowed for the presentation of the degradation pathway of IF, 5-FU and IMB. Duckweed (Lemna minor) growth inhibition tests showed no toxicity of the drug solutions after treatment.
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Affiliation(s)
- Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland.
| | - Patrycja Wilczewska
- Department of General and Inorganic Chemistry, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Wojciech Lisowski
- Institute of Physical Chemistry, Polish Academy of Science, Kasprzaka 44/52, 01-244 Warsaw, Poland
| | - Tomasz Klimczuk
- Department of Solid State Physics, Gdansk University of Technology, 80-233 Gdansk, Poland
| | - Anna Białk-Bielińska
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland.
| | - Ewa M Siedlecka
- Department of General and Inorganic Chemistry, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Aleksandra Pieczyńska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland.
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5
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Mazierski P, Wilczewska P, Lisowski W, Klimczuk T, Białk-Bielińska A, Zaleska-Medyska A, Siedlecka EM, Pieczyńska A. Ti/TiO 2 nanotubes sensitized PbS quantum dots as photoelectrodes applied for decomposition of anticancer drugs under simulated solar energy. J Hazard Mater 2022; 421:126751. [PMID: 34343880 DOI: 10.1016/j.jhazmat.2021.126751] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 07/12/2021] [Accepted: 07/25/2021] [Indexed: 06/13/2023]
Abstract
One of the challenges in research into photoelectrocatalytic (PEC) degradation of pollutants is finding the appropriate photoanode material, which has a significant impact on the process efficiency. Among all others, photoelectrodes based on an ordered TiO2 nanotube arrays are a promising material due to well-developed surface area and efficient charge separation. To increase the PEC activity of this material, the SILAR method was used to decorate Ti/TiO2 nanotubes by PbS quantum dots (QD). The ifosfamide (IF) degradation rate constants was twice as higher for PbS-Ti/TiO2 (0.0148 min-1) than for Ti/TiO2 (0.0072 min-1). Our research showed the highest efficiency of PEC degradation of drugs using IIIPbS-Ti/TiO2 made with 3 SILAR cycles (PbS QD size mainly 2-4 nm). The 4 and 6 of SILAR cycles resulted in the aggregation of PbS nanoparticles on the Ti/TiO2 surface and decreased IF PEC degradation rate to 0.0043 and 0.0033 min-1, respectively. Research on PEC mechanism has shown that the drugs are degraded mainly by the activity of photogenerated holes and hydroxyl radicals. In addition, the identified drug intermediates made possible to propose a degradation pathways of anticancer drugs and the ecotoxicity test show no inhibition of Lemna minor growth of treated solutions.
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Affiliation(s)
- Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Patrycja Wilczewska
- Department of General and Inorganic Chemistry, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Wojciech Lisowski
- Institute of Physical Chemistry, Polish Academy of Science, Kasprzaka 44/52, 01-244 Warsaw, Poland
| | - Tomasz Klimczuk
- Department of Solid State Physics, Gdansk University of Technology, 80-233 Gdansk, Poland
| | - Anna Białk-Bielińska
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Adriana Zaleska-Medyska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Ewa M Siedlecka
- Department of General and Inorganic Chemistry, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Aleksandra Pieczyńska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland.
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6
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Parnicka P, Grzyb T, Mikolajczyk A, Wang K, Kowalska E, Steinfeldt N, Klein M, Mazierski P, Zaleska-Medynska A, Nadolna J. Experimental and theoretical investigations of the influence of carbon on a Ho 3+-TiO 2 photocatalyst with Vis response. J Colloid Interface Sci 2019; 549:212-224. [PMID: 31039457 DOI: 10.1016/j.jcis.2019.04.074] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 04/23/2019] [Accepted: 04/24/2019] [Indexed: 11/16/2022]
Abstract
Due to their photon up-converting capability, lanthanide ions are ideal candidates dopants for semiconductors for developing visible light-driven photocatalytic activity. Of particular relevance, the low luminescence efficiency of Ln-based nanoparticles is one of the main factors that limits their further applications. Carbon, which is present on the surface of all TiO2 photocatalysts, can be responsible for luminescence quenching processes and, thus, decreasing the photocatalytic activity of TiO2. This article presents a systematic experimental and theoretical study of the effects of carbon on the photocatalytic performance of Ho3+-modified TiO2. Ho3+-TiO2 photocatalysts modified with various carbon contents (from 0.5 to 20 mol.%) were successfully prepared using a simple hydrothermal method. As-obtained samples were characterized by UV-Vis diffuse reflectance spectroscopy (DRS/UV-Vis), X-ray diffraction (XRD), X-ray photoelectron emission spectroscopy (XPS), N2 adsorption measurements, photoluminescent spectroscopy (PL), field-emission scanning electron microscopy (FE-SEM) and scanning transmission microscopy (STEM). The photodegradation efficiency of phenol was estimated for visible light (λ > 420 nm and λ > 455 nm). The XPS and XRD analyses and theoretical calculations revealed that the substitutional doping of holmium and carbon in the TiO2 anatase structure resulted in the appearance of a new sub-band-gap. Changes in the material texture, BET surface area and pore volume can be easily controlled via carbon content in samples. Doping of the Ho3+-TiO2 photocatalysts with carbon resulted in quenching of the emission of Ho3+ and, thus, the photodegradation of phenol, was observed in samples containing smaller amounts of carbon. Sixty minutes of irradiation resulted in 89% of phenol degradation under visible light (λ > 420 nm).
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Affiliation(s)
- Patrycja Parnicka
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Tomasz Grzyb
- Department of Rare Earths, Faculty of Chemistry, Adam Mickiewicz University in Poznan, 60-780 Poznan, Poland
| | - Alicja Mikolajczyk
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland; Laboratory of Environmental Chemometrics, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Kunlei Wang
- Institute for Catalysis, Hokkaido University, Sapporo 001-0021, Japan
| | - Ewa Kowalska
- Institute for Catalysis, Hokkaido University, Sapporo 001-0021, Japan
| | - Norbert Steinfeldt
- Leibniz Institute for Catalysis, University of Rostock, 18059 Rostock, Germany
| | - Marek Klein
- Institute of Fluid-Flow Machinery, Polish Academy of Sciences, 80-231 Gdansk, Poland
| | - Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Joanna Nadolna
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland.
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Mazierski P, Borzyszkowska AF, Wilczewska P, Białk-Bielińska A, Zaleska-Medynska A, Siedlecka EM, Pieczyńska A. Removal of 5-fluorouracil by solar-driven photoelectrocatalytic oxidation using Ti/TiO 2(NT) photoelectrodes. Water Res 2019; 157:610-620. [PMID: 31003076 DOI: 10.1016/j.watres.2019.04.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2019] [Revised: 03/24/2019] [Accepted: 04/06/2019] [Indexed: 06/09/2023]
Abstract
The efficient and safe degradation of drugs present in wastewater requires the design of a new material possessing high activity for that process. In addition to other methods, photoelectrocatalysis (PEC) merges the strengths of both photocatalytic and electrochemical methods, and the efficiency could be enhanced by the type of photoelectrode material. To address this challenge, three Ti/TiO2 nanotube-based photoelectrodes, differing in their tube morphology, were prepared by anodic oxidation and employed for the degradation of the 5-fluorouracil (5-FU) drug by the PEC process. The highest efficiency for 5-fluorouracil (5-FU) degradation by PEC was observed for the photoelectrode with a 1.7 μm length, 65 nm diameter and 8 nm wall thickness of TiO2 nanotubes, which were prepared by Ti foil anodization at 30 V. The effects of applied potential, irradiation intensity, initial pH and 5-FU concentration on PEC were investigated. Furthermore, our findings showed that the mechanism of photoelectrocatalysis in the presence of TiO2 nanotubes is based on ∙OH and h+ activity. To determine the 5-FU degradation pathway, the organic byproducts were identified by LC-MS analysis. Furthermore, the ecotoxicity evaluated during PEC dropped with decreasing 5-FU concentration.
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Affiliation(s)
- Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308, Gdansk, Poland
| | | | - Patrycja Wilczewska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308, Gdansk, Poland
| | - Anna Białk-Bielińska
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, 80-308, Gdansk, Poland
| | - Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308, Gdansk, Poland
| | - Ewa M Siedlecka
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308, Gdansk, Poland
| | - Aleksandra Pieczyńska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308, Gdansk, Poland.
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8
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Mazierski P, Sowik J, Miodyńska M, Trykowski G, Mikołajczyk A, Klimczuk T, Lisowski W, Nadolna J, Zaleska-Medynska A. Shape-controllable synthesis of GdVO 4 photocatalysts and their tunable properties in photocatalytic hydrogen generation. Dalton Trans 2018; 48:1662-1671. [PMID: 30564826 DOI: 10.1039/c8dt04225j] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Novel visible light responsive materials for water splitting are essential for the efficient conversion of solar energy into hydrogen bond energy. Among other semiconductors, gadolinium orthovanadate has appropriate conduction and valence band edges positioned to split water molecules and a narrow band gap that allows the use of visible light for hydrogen generation. Thus, we present here that hydrogen evolution under visible light (λ > 420 nm) could be accomplished using hierarchical 3D GdVO4 particles, obtained by a simple, one pot hydrothermal synthesis. We found that applying various reaction components, such as EDTA-Na2 and EDTA, and adjusting the pH of the solution allow one to tune the shape of GdVO4 (such as short nanowires, long nanowires, short nanorods, long nanorods, nanoparticles and spheres - all having a tetragonal crystal structure) as well as optical and photocatalytic properties. The highest ability to photocatalytically split methanol solution into hydrogen under UV-Vis irradiation was detected for the long nanowire sample (42 μmol h-1), having almost 11 times higher efficiency in comparison with the weakest sample - short nanowires. In addition, GdVO4 spheres generated H2 more than 2 times (5.75 μmol h-1) in comparison with the short nanorod sample (2.5 μmol h-1) under visible light excitation. Photostable in three-hour work cycles, long nanowires and spheres were even able to generate hydrogen from pure water, reaching values of 17 and 3 μmol under UV-Vis and Vis light, respectively.
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Affiliation(s)
- Paweł Mazierski
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland.
| | - Jakub Sowik
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland.
| | - Magdalena Miodyńska
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland.
| | - Grzegorz Trykowski
- Faculty of Chemistry, Nicolaus Copernicus University, 87-100 Torun, Poland
| | - Alicja Mikołajczyk
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland.
| | - Tomasz Klimczuk
- Department of Solid State Physics, Gdansk University of Technology, 80-233 Gdansk, Poland
| | - Wojciech Lisowski
- Institute of Physical Chemistry, Polish Academy of Science, 01-224 Warsaw, Poland
| | - Joanna Nadolna
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland.
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Marchelek M, Grabowska E, Klimczuk T, Lisowski W, Mazierski P, Zaleska-Medynska A. Visible light photocatalysis employing TiO2/SrTiO3-BiOI composites: Surface properties and photoexcitation mechanism. Molecular Catalysis 2018. [DOI: 10.1016/j.mcat.2018.04.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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10
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Parnicka P, Mazierski P, Grzyb T, Lisowski W, Kowalska E, Ohtani B, Zaleska-Medynska A, Nadolna J. Influence of the preparation method on the photocatalytic activity of Nd-modified TiO 2. Beilstein J Nanotechnol 2018; 9:447-459. [PMID: 29515957 PMCID: PMC5815290 DOI: 10.3762/bjnano.9.43] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Accepted: 01/08/2018] [Indexed: 06/15/2023]
Abstract
Nd-modified TiO2 photocatalysts have been obtained via hydrothermal (HT) and sol-hydrothermal (SHT) methods. The as-prepared samples were characterized by X-ray diffraction (XRD), BET surface area measurements, scanning electron microscopy (SEM), diffuse reflectance spectroscopy (DRS), luminescence spectroscopy and X-ray photoelectron spectroscopy (XPS). The photocatalytic activity of the synthesized samples was evaluated by the degradation of phenol in aqueous solution under irradiation with UV-vis (λ > 350 nm) and vis (λ > 420 nm) light, as well as by the degradation of gaseous toluene under irradiation with vis (λmax = 415 nm) light. It was found that Nd-modified TiO2 is an efficient photocatalyst for the degradation of phenol and toluene under visible light. XPS analysis revealed that the photocatalyst prepared via HT method contains a three-times higher amount of hydroxy groups at the surface layer and a two-times higher amount of surface defects than that obtained by the SHT method. The photocatalytic efficiency of phenol and toluene degradation under vis irradiation in the presence of 0.25% Nd-TiO2(HT) reached 0.62 and 3.36 μmol·dm-1·min-1, respectively. Photocatalytic activity tests in the presence of Nd-TiO2 and scavenger confirm that superoxide radicals were responsible for the visible light-induced degradation of the model pollutant in aqueous solution.
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Affiliation(s)
- Patrycja Parnicka
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland
| | - Paweł Mazierski
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland
| | - Tomasz Grzyb
- Department of Rare Earths, Faculty of Chemistry, Adam Mickiewicz University in Poznan, 60-780 Poznan, Poland
| | - Wojciech Lisowski
- Institute of Physical Chemistry, Polish Academy of Sciences,01-224 Warsaw, Poland
| | - Ewa Kowalska
- Institute for Catalysis, Hokkaido University, Sapporo 001-0021, Japan
| | - Bunsho Ohtani
- Institute for Catalysis, Hokkaido University, Sapporo 001-0021, Japan
| | | | - Joanna Nadolna
- Department of Environmental Technology, University of Gdansk, 80-308 Gdansk, Poland
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11
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Parnicka P, Mazierski P, Grzyb T, Wei Z, Kowalska E, Ohtani B, Lisowski W, Klimczuk T, Nadolna J. Preparation and photocatalytic activity of Nd-modified TiO2 photocatalysts: Insight into the excitation mechanism under visible light. J Catal 2017. [DOI: 10.1016/j.jcat.2017.07.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Nevárez-Martínez MC, Mazierski P, Kobylański MP, Szczepańska G, Trykowski G, Malankowska A, Kozak M, Espinoza-Montero PJ, Zaleska-Medynska A. Growth, Structure, and Photocatalytic Properties of Hierarchical V₂O₅-TiO₂ Nanotube Arrays Obtained from the One-step Anodic Oxidation of Ti-V Alloys. Molecules 2017; 22:E580. [PMID: 28379185 PMCID: PMC6154676 DOI: 10.3390/molecules22040580] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2017] [Revised: 03/30/2017] [Accepted: 04/01/2017] [Indexed: 11/19/2022] Open
Abstract
V₂O₅-TiO₂ mixed oxide nanotube (NT) layers were successfully prepared via the one-step anodization of Ti-V alloys. The obtained samples were characterized by scanning electron microscopy (SEM), UV-Vis absorption, photoluminescence spectroscopy, energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (DRX), and micro-Raman spectroscopy. The effect of the applied voltage (30-50 V), vanadium content (5-15 wt %) in the alloy, and water content (2-10 vol %) in an ethylene glycol-based electrolyte was studied systematically to determine their influence on the morphology, and for the first-time, on the photocatalytic properties of these nanomaterials. The morphology of the samples varied from sponge-like to highly-organized nanotubular structures. The vanadium content in the alloy was found to have the highest influence on the morphology and the sample with the lowest vanadium content (5 wt %) exhibited the best auto-alignment and self-organization (length = 1 μm, diameter = 86 nm and wall thickness = 11 nm). Additionally, a probable growth mechanism of V₂O₅-TiO₂ nanotubes (NTs) over the Ti-V alloys was presented. Toluene, in the gas phase, was effectively removed through photodegradation under visible light (LEDs, λmax = 465 nm) in the presence of the modified TiO₂ nanostructures. The highest degradation value was 35% after 60 min of irradiation. V₂O₅ species were ascribed as the main structures responsible for the generation of photoactive e- and h⁺ under Vis light and a possible excitation mechanism was proposed.
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Affiliation(s)
- María C Nevárez-Martínez
- Facultad de Ingeniería Química y Agroindustria, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, P.O. Box 17-01-2759, Quito 170525, Ecuador.
- Centro de Investigación y Control Ambiental "CICAM", Departamento de Ingeniería Civil y Ambiental, Facultad de Ingeniería Civil y Ambiental, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, P.O. Box 17-01-2759, Quito 170525, Ecuador.
| | - Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Gdansk 80-308, Poland.
| | - Marek P Kobylański
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Gdansk 80-308, Poland.
| | | | - Grzegorz Trykowski
- Faculty of Chemistry, Nicolaus Copernicus University, Torun 87-100, Poland.
| | - Anna Malankowska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Gdansk 80-308, Poland.
| | - Magda Kozak
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Gdansk 80-308, Poland.
| | - Patricio J Espinoza-Montero
- Centro de Investigación y Control Ambiental "CICAM", Departamento de Ingeniería Civil y Ambiental, Facultad de Ingeniería Civil y Ambiental, Escuela Politécnica Nacional, Ladrón de Guevara E11-253, P.O. Box 17-01-2759, Quito 170525, Ecuador.
| | - Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, Gdansk 80-308, Poland.
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13
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Mazierski P, Nadolna J, Lisowski W, Winiarski MJ, Gazda M, Nischk M, Klimczuk T, Zaleska-Medynska A. Effect of irradiation intensity and initial pollutant concentration on gas phase photocatalytic activity of TiO 2 nanotube arrays. Catal Today 2017. [DOI: 10.1016/j.cattod.2016.09.004] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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14
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Mazierski P, Malankowska A, Kobylański M, Diak M, Kozak M, Winiarski MJ, Klimczuk T, Lisowski W, Nowaczyk G, Zaleska-Medynska A. Photocatalytically Active TiO2/Ag2O Nanotube Arrays Interlaced with Silver Nanoparticles Obtained from the One-Step Anodic Oxidation of Ti–Ag Alloys. ACS Catal 2017. [DOI: 10.1021/acscatal.7b00056] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Paweł Mazierski
- Department
of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Anna Malankowska
- Department
of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Marek Kobylański
- Department
of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Magdalena Diak
- Department
of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Magda Kozak
- Department
of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
| | - Michał J. Winiarski
- Department
of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, 80-233 Gdansk, Poland
| | - Tomasz Klimczuk
- Department
of Solid State Physics, Faculty of Applied Physics and Mathematics, Gdansk University of Technology, 80-233 Gdansk, Poland
| | - Wojciech Lisowski
- Institute
of Physical Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Grzegorz Nowaczyk
- NanoBioMedical
Centre, Adam Mickiewicz University, Umultowska 85, 61-614 Poznan, Poland
| | - Adriana Zaleska-Medynska
- Department
of Environmental Technology, Faculty of Chemistry, University of Gdansk, 80-308 Gdansk, Poland
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15
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Nischk M, Mazierski P, Wei Z, Siuzdak K, Kouame NA, Kowalska E, Remita H, Zaleska-Medynska A. Enhanced photocatalytic, electrochemical and photoelectrochemical properties of TiO 2 nanotubes arrays modified with Cu, AgCu and Bi nanoparticles obtained via radiolytic reduction. Appl Surf Sci 2016; 387:89-102. [PMID: 27917012 PMCID: PMC5009629 DOI: 10.1016/j.apsusc.2016.06.066] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 06/07/2016] [Accepted: 06/10/2016] [Indexed: 05/23/2023]
Abstract
TiO2 nanotubes arrays (NTs), obtained via electrochemical anodization of Ti foil, were modified with monometallic (Cu, Bi) and bimetallic (AgCu) nanoparticles. Different amounts of metals' precursors were deposited on the surface of NTs by the spin-coating technique, and the reduction of metals was performed via gamma radiolysis. Surface modification of titania was studied by EDS and XPS analysis. The results show that AgCu nanoparticles exist in a Agcore-Cushell form. Photocatalytic activity was examined under UV irradiation and phenol was used as a model pollutant of water. Over 95% of phenol degradation was achieved after 60 min of irradiation for almost all examined samples, but only slight difference in degradation efficiency (about 3%) between modified and bare NTs was observed. However, the initial phenol degradation rate and TOC removal efficiency was significantly enhanced for the samples modified with 0.31 and 0.63 mol% of Bi as well as for all the samples modified with Cu and AgCu nanoparticles in comparison with bare titania nanotubes. The saturated photocurrent, under the influence of simulated solar light irradiation, for the most active Bi- and AgCu-modified samples, was over two times higher than for pristine NTs. All the examined materials were resistant towards photocorrosion processes that enables their application for long term processes induced by light.
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Affiliation(s)
- Michał Nischk
- Department of Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, 11/12 G. Narutowicza 11/12 St., 80-233 Gdansk, Poland
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 63 Wita Stwosza St., 80-308 Gdansk, Poland
| | - Paweł Mazierski
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 63 Wita Stwosza St., 80-308 Gdansk, Poland
| | - Zhishun Wei
- Institute for Catalysis, Hokkaido University, N21, W10, 001-0021, Sapporo, Japan
| | - Katarzyna Siuzdak
- Centre for Plasma and Laser Engineering, The Szewalski Institute of Fluid-Flow Machinery, Polish Academy of Sciences, 14 Fiszera St., 80-231 Gdansk, Poland
| | - Natalie Amoin Kouame
- Laboratoire de Chimie Physique, CNRS—UMR 8000,Université Paris-Sud, Université Paris-Saclay, Bâtiment 349, 91405 Orsay, France
| | - Ewa Kowalska
- Institute for Catalysis, Hokkaido University, N21, W10, 001-0021, Sapporo, Japan
| | - Hynd Remita
- Laboratoire de Chimie Physique, CNRS—UMR 8000,Université Paris-Sud, Université Paris-Saclay, Bâtiment 349, 91405 Orsay, France
| | - Adriana Zaleska-Medynska
- Department of Environmental Technology, Faculty of Chemistry, University of Gdansk, 63 Wita Stwosza St., 80-308 Gdansk, Poland
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