1
|
Asikainen K, Alatalo M, Huttula M, Barbiellini B, Assa Aravindh S. Understanding and optimizing the sensitization of anatase titanium dioxide surface with hematite clusters. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2024; 36:295001. [PMID: 38574672 DOI: 10.1088/1361-648x/ad3ac0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Accepted: 04/04/2024] [Indexed: 04/06/2024]
Abstract
The presence of hematite (Fe2O3) clusters at low coverage on titanium dioxide (TiO2) surface has been observed to enhance photocatalytic activity, while excess loading of hematite is detrimental. We conduct a comprehensive density functional theory study of Fe2O3clusters adsorbed on the anatase TiO2(101) surface to investigate the effect of Fe2O3on TiO2. Our study shows that TiO2exhibits improved photocatalytic properties with hematite clusters at low coverage, as evidenced by a systematic study conducted by increasing the number of cluster adsorbates. The adsorption of the clusters generates impurity states in the band gap improving light absorption and consequently affecting the charge transfer dynamics. Furthermore, the presence of hematite clusters enhances the activity of TiO2in the hydrogen evolution reaction. The Fe valence mixing present in some clusters leads to a significant increase in H2evolution rate compared with the fixed +3 valence of Fe in hematite. We also investigate the effect of oxygen defects and find extensive modifications in the electronic properties and local magnetism of the TiO2-Fe2O3system, demonstrating the wide-ranging effect of oxygen defects in the combined system.
Collapse
Affiliation(s)
- Kati Asikainen
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu, FI-90014, Finland
| | - Matti Alatalo
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu, FI-90014, Finland
| | - Marko Huttula
- Nano and Molecular Systems Research Unit, University of Oulu, Oulu, FI-90014, Finland
| | - B Barbiellini
- Lappeenranta-Lahti University of Technology (LUT), FI-53851 Lappeenranta, Finland
| | - S Assa Aravindh
- Sustainable Chemistry and MME, Faculty of Technology, University of Oulu, Oulu, FI-90014, Finland
| |
Collapse
|
2
|
Rosa D, Abbasova N, Di Palma L. Titanium Dioxide Nanoparticles Doped with Iron for Water Treatment via Photocatalysis: A Review. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:293. [PMID: 38334564 PMCID: PMC10856646 DOI: 10.3390/nano14030293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 01/27/2024] [Accepted: 01/29/2024] [Indexed: 02/10/2024]
Abstract
Iron-doped titanium dioxide nanoparticles are widely employed for photocatalytic applications under visible light due to their promising performance. Nevertheless, the manufacturing process, the role of Fe3+ ions within the crystal lattice of titanium dioxide, and their impact on operational parameters are still a subject of controversy. Based on these assumptions, the primary objective of this review is to delineate the role of iron, ascertain the optimal quantity, and elucidate its influence on the main photocatalysis parameters, including nanoparticle size, band gap, surface area, anatase-rutile transition, and point of zero charge. Moreover, an optimized synthesis method based on comprehensive data and insights from the existing literature is proposed, focusing exclusively on iron-doped titanium oxide while excluding other dopant variants.
Collapse
Affiliation(s)
- Domenico Rosa
- Department of Chemical Engineering Materials Environment, Sapienza-Università di Roma, Via Eudossiana 18, 00184 Roma, Italy;
| | - Nigar Abbasova
- Department of Ecology, Azerbaijan University of Architecture and Construction, AZ1073 Baku, Azerbaijan;
| | - Luca Di Palma
- Department of Chemical Engineering Materials Environment, Sapienza-Università di Roma, Via Eudossiana 18, 00184 Roma, Italy;
| |
Collapse
|
3
|
Norabadi E, Jahantiq A, Kamani H. Synthesis of Fe-TiO 2@Fe 3O 4 magnetic nanoparticles as a recyclable sonocatalyst for the degradation of 2, 4-dichlorophenol. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:31446-31460. [PMID: 36449236 DOI: 10.1007/s11356-022-24345-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 11/16/2022] [Indexed: 06/17/2023]
Abstract
2, 4-Dichlorophenol is a type of chlorophenol that, even at low concentrations, causes adverse effects such as anemia, coma, weakening of the nervous system, and cancer in humans and other organisms. Therefore, the aim of this study was to synthesize the Fe-TiO2@Fe3O4 sonocatalyst and to assess the removal efficiency of 2, 4-dichlorophenol using this sonocatalyst. Scanning electron microscopy (SEM), energy dispersive X-ray spectroscopy (EDX), Fourier transform infrared spectroscopy (FT-IR), X-ray diffraction (XRD), value-stream mapping (VSM), Brunauer Emmett Teller (BET), and diffuse reflectance spectroscopy (DRS) analyses were performed for characterizing the synthesized nanoparticles. The effect of different factors, such as pH (3-9), initial concentration 2, 4-dichlorophenol (20-80 mg/L), and level of nanoparticles (200-600 mg/L) at different time points (15-90 min), was assessed on sonocatalytic removal of 2, 4-dichlorophenol, and then the reaction kinetics, process mechanism, and stability of the synthesized nanoparticles were determined under optimal conditions. The highest removal efficiency of 2, 4-dichlorophenol and constant reaction rate was obtained at pH of 5, the initial concentration of 20 mg/L, and the nanoparticles dose of 400 mg/L under ultrasound with a frequency of 35 kHz following the reaction time of 90 min. The maximum mineralization efficiency (total organic carbon TOC) under optimal conditions was 81%. Analysis of the degradation kinetics indicated that the 2, 4-dichlorophenol degradation can follow a first-order reaction. The stability of the synthesized sonocatalyst decreased by 91% after 5 re-uses. This study confirmed the efficiency of the Fe-TiO2@Fe3O4 sonocatalytic process in the degradation and mineralization of 2, 4-dichlorophenol.
Collapse
Affiliation(s)
- Elham Norabadi
- Student Research Committee, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Anis Jahantiq
- Student Research Committee, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Hossein Kamani
- Health Promotion Research Center, Zahedan University of Medical Sciences, Zahedan, Iran.
| |
Collapse
|
4
|
Checking the Efficiency of a Magnetic Graphene Oxide–Titania Material for Catalytic and Photocatalytic Ozonation Reactions in Water. Catalysts 2022. [DOI: 10.3390/catal12121587] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
An easily recoverable photo-catalyst in solid form has been synthesized and applied in catalytic ozonation in the presence of primidone. Maghemite, graphene oxide and titania (FeGOTi) constituted the solid. Additionally, titania (TiO2) and graphene oxide–titania (GOTi) catalysts were also tested for comparative reasons. The main characteristics of FeGOTi were 144 m2/g of surface area; a 1.29 Raman D and G band intensity ratio; a 26-emu g−1 magnetic moment; maghemite, anatase and brookite main crystalline forms; and a 1.83 eV band gap so the catalyst can absorb up to the visible red region (677 nm). Single ozonation, photolysis, photolytic ozonation (PhOz), catalytic ozonation (CatOz) and photocatalytic ozonation (PhCatOz) were applied to remove primidone. In the presence of ozone, the complete removal of primidone was experienced in less than 15 min. In terms of mineralization, the best catalyst was GOTi in the PhCatOz processes (100% mineralization in 2 h). Meanwhile, the FeGOTi catalyst was the most efficient in CatOz. FeGOTi led, in all cases, to the highest formation of HO radicals and the lowest ozone demand. The reuse of the FeGOTi catalyst led to some loss of mineralization efficacy after four runs, likely due to C deposition, the small lixiviation of graphene oxide and Fe oxidation.
Collapse
|
5
|
Synowiec M, Radecka M, Micek-Ilnicka A. UV light enhanced catalytic performance of heteropolyacid-TiO2 systems. J Catal 2022. [DOI: 10.1016/j.jcat.2022.12.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
|
6
|
Synthesis and characterization of porous TiO2 film decorated with bilayer hematite thin film for effective photocatalytic activity. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.109865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
|
7
|
Aguinaco A, Mánuel JM, Blanco E, Domínguez M, Litrán R, Delgado JJ, Ramírez-del-Solar M. Fe 3O 4-TiO 2 Thin Films in Solar Photocatalytic Processes. MATERIALS (BASEL, SWITZERLAND) 2022; 15:6718. [PMID: 36234055 PMCID: PMC9571664 DOI: 10.3390/ma15196718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/14/2022] [Accepted: 09/21/2022] [Indexed: 06/16/2023]
Abstract
The optical properties of 5wt% Fe3O4-TiO2 thin films were evaluated in detail with the aim of proposing a mechanism for solar photocatalytic processes and highlighting the advantages over the use of bare TiO2. The results showed that the incorporation of 5wt% Fe3O4 enhanced the optical properties by a redshift to a wavelength in the visible range, reducing the anatase/rutile band gap energy from 3.2 eV to 2.8 eV. Photoluminescence studies reveal a superior separation efficiency of photoexcited electron-hole pairs when Fe3O4 nanoparticles (NPs) are present in the photocatalyst. X-ray photoelectron spectroscopy spectra confirm the presence of Fe3O4 and existence of a chemical bonding between TiO2 and Fe3O4 NPs. Moreover, in this study, a mechanism of solar photocatalytic processes involving Fe3O4-TiO2 thin films is proposed and it is supported by experimental results. Finally, solar photocatalytic experiments were carried out, indicating that the effectiveness for the removal of the selected pharmaceutical is considerably improved when the composite material is used as catalyst. Furthermore, it was demonstrated that the photocatalytic activity of the prepared Fe3O4-TiO2 thin films depends on their thickness, achieving the highest pharmaceutical removal yields using the 2 µm thick sample. The stability and reusability of the catalyst was confirmed studying the photocatalytic activity over three cycles.
Collapse
Affiliation(s)
- Almudena Aguinaco
- Departamento Física de la Materia Condensada, Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cádiz, 11510 Puerto Real, Spain
| | - José M. Mánuel
- Departamento Física de la Materia Condensada, Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cádiz, 11510 Puerto Real, Spain
| | - Eduardo Blanco
- Departamento Física de la Materia Condensada, Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cádiz, 11510 Puerto Real, Spain
| | - Manuel Domínguez
- Departamento Física de la Materia Condensada, Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cádiz, 11510 Puerto Real, Spain
| | - Rocío Litrán
- Departamento Física de la Materia Condensada, Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cádiz, 11510 Puerto Real, Spain
| | - Juan J. Delgado
- Departamento Ciencias de los Materiales e Ingeniería Metalúrgica y Química Inorgánica, Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cádiz, 11510 Puerto Real, Spain
| | - Milagrosa Ramírez-del-Solar
- Departamento Física de la Materia Condensada, Instituto de Microscopía Electrónica y Materiales (IMEYMAT), Universidad de Cádiz, 11510 Puerto Real, Spain
| |
Collapse
|
8
|
Nasr S, Hidouri T. Catalytic behavior of gold nanoparticles supported on a Fe–TiO2 oxide for the photodegradation of malachite green and tannic acid. REACTION KINETICS MECHANISMS AND CATALYSIS 2022. [DOI: 10.1007/s11144-022-02301-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
|
9
|
Nadeem QUA, Nadeem Z, Gill R, Shchukin DG. Multifunctional ZnO-Co 3O 4 @ polymer hybrid nanocoatings with controlled adsorption, photocatalytic and anti-microbial functions for polluted water systems. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:46737-46750. [PMID: 35174460 DOI: 10.1007/s11356-022-18722-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 01/13/2022] [Indexed: 06/14/2023]
Abstract
Triple action pollutant responsive multi-layer hybrid nanocoatings of architecture PEI(PAA/ZnO-Co3O4)n were constructed through ZnO-Co3O4 binary oxide co-precipitation followed by its inclusion in multi-layer polymeric thin films using Layer-by-Layer (LbL) deposition. Characterization of the designed architecture was carried out via FTIR, XRD, UV-Vis, and Raman spectroscopic studies to evaluate the chemical nature, bonding, and crystallographic behavior of ZnO-Co3O4. Peaks of ZnO-Co3O4 were recorded at 586.38, 486.08, and 443.64 cm-1 while pronounced shifting of ZnO characteristic E2 (high) peak ~ 450 cm-1 and appearance of modes around 495, 530, 630, and 719 cm-1 indexed via Raman studies validated Co3O4 impregnation into ZnO structure. XRD patterns of ZnO-Co3O4 compared to their previously reported pristine structures also justified the formation of binary oxide as unit composite. SEM micrographs confirmed homogenous multi-layered depositions while EDX analysis confirmed their uniform elemental distribution in the unit structure. Sequential multi-layer buildup up to 48 layer pairs was monitored using ellipsometry with maximum film thickness ~ 89 nm and by UV-Vis at 376 nm. The prepared thin films exhibited significant photodegradation of methylene blue ~ 91% and Cu (II) adsorption capacity ~ 89% within first 90 min of contact, along with prominent bactericidal efficiency against E. coli within 24 h of reaction time. FAAS, ICP-OES, and UV-Vis spectroscopy analyses make these multifunctional hybrid nanocoatings promising for industrial wastewater as well as drinking water purification setups. Furthermore, protuberant recycling and regenerative capacity make these hybrid nanocoatings an eco-friendly system for hydro-remediation.
Collapse
Affiliation(s)
- Qurat Ul Ain Nadeem
- Fatima Jinnah Women University, The Mall, Rawalpindi, Pakistan
- Stephenson Institute for Renewable Energy, University of Liverpool, Liverpool, UK
| | - Zoobia Nadeem
- Fatima Jinnah Women University, The Mall, Rawalpindi, Pakistan
| | - Rohama Gill
- Fatima Jinnah Women University, The Mall, Rawalpindi, Pakistan.
| | - Dmitry G Shchukin
- Stephenson Institute for Renewable Energy, University of Liverpool, Liverpool, UK.
| |
Collapse
|
10
|
Chandra Pragada S, Thalla AK. Polymer-based immobilized Fe 2O 3-TiO 2/PVP catalyst preparation method and the degradation of triclosan in treated greywater effluent by solar photocatalysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 296:113305. [PMID: 34328863 DOI: 10.1016/j.jenvman.2021.113305] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 07/11/2021] [Accepted: 07/14/2021] [Indexed: 05/20/2023]
Abstract
The present study involves a novel protocol to develop a ternary composite catalyst for an effective post-treatment technique for greywater. The ternary film of Fe2O3-TiO2/polyvinyl pyrrolidine (PVP) is coated on a glass tube using spray coating with annealing at 320 °C. The structure, thermal, microstructure, and surface properties of the coated film are characterized by X-ray diffraction (XRD), Fourier Transform Infrared Spectroscopy (FTIR), Field Emission Scanning Electron Microscopy (FESEM), and Thermo Gravimetric Analysis (TGA). The scratch hardness of photocatalysts at different Fe2O3/TiO2 compositions is investigated based on the width measurement of scratch using FESEM analysis. Results show that at an optimum coating of 5% of Fe2O3/TiO2 composition catalytic film, the maximum scratch hardness (7.984 GPa) is obtained. Also, the photocatalyst has the highest cohesive bond strength and wearing resistance. The degradation of triclosan (TCS) in treated greywater, discharged from the anaerobic-aerobic treatment system, is investigated at a lab-scale using a solar photocatalytic reactor. The response surface analysis has been performed from the different sets of experimental trials for various optimal parameters. It is observed that the TCS degradation efficiency of 83.27% has resulted under optimum conditions.
Collapse
Affiliation(s)
- Sarath Chandra Pragada
- Department of Civil Engineering, National Institute of Technology Karnataka, Surathkal, 575025, India.
| | - Arun Kumar Thalla
- Department of Civil Engineering, National Institute of Technology Karnataka, Surathkal, 575025, India.
| |
Collapse
|
11
|
Balasurya S, Das A, Alyousef AA, Alqasim A, Almutairi N, Sudheer Khan S. Facile synthesis of Bi2MoO6-Ag2MoO4 nanocomposite for the enhanced visible light photocatalytic removal of methylene blue and its antimicrobial application. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.116350] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
|
12
|
Synthesis, Characterization and Photoelectric Properties of Fe2O3 Incorporated TiO2 Photocatalyst Nanocomposites. Catalysts 2021. [DOI: 10.3390/catal11091062] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
In the present work we report the sol-gel synthesis of pure TiO2 and (TiO2)1−x(Fe2O3)x nanocomposites with different Fe2O3 contents (x = 0, 0.1, 0.5, and 1.0 for pure TiO2, Fe2O3 incorporated 0.1, 0.5, and pure Fe2O3 which are denoted as PT, 0.1F, 0.5F, and PF, respectively). The structural, morphological, optical, and surface texture of the prepared nanocomposites were characterized using various techniques. The structural studies confirm the strong influence of Fe2O3 contents on the crystallite sizes and dislocation values. The size of the crystallites was increased by the increase in Fe2O3 contents. The bandgap values elucidated from DRS analysis were decreased from 3.15 eV to 1.91 eV with increasing Fe2O3 contents. The N2-Physorption analysis has confirmed the mesoporous nature of the samples with a comparable specific surface area of 35 m2/g. The photoelectrochemical measurements (CV, CA and EIS) were performed to assess the photoelectric properties of the prepared materials. It was found that the PT samples have the highest catalytic activity and photocurrent response compared to other composites. The reduction in current density was as follows: 2.8, 1.65, 1.5 and 0.9 mA/cm2, while the photocurrent response was ca. 800, 450, 45, 35 µA/cm2 for PT, 0.1F, 0.5F and PF samples, respectively. The EIS results showed that the (TiO2)1−x(Fe2O3)x nanocomposites exhibit lower charge transfer resistance than pure titania and hematite samples.
Collapse
|
13
|
Chkirida S, Zari N, Achour R, Qaiss AEK, Bouhfid R. Efficient hybrid bionanocomposites based on iron-modified TiO 2 for dye degradation via an adsorption-photocatalysis synergy under UV-Visible irradiations. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:14018-14027. [PMID: 33201510 DOI: 10.1007/s11356-020-11664-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 11/12/2020] [Indexed: 06/11/2023]
Abstract
To overcome the titanium oxide limitations, Fe2O3- and Fe3O4-modified TiO2 (3:1) nanoparticles were synthesized by a humid and solid path, respectively. These nanoparticles were embedded in sodium alginate biopolymer to prepare beads with efficient adsorption and photocatalytic behaviors in cationic dye degradation under both UV and visible irradiations. Operating conditions were investigated such as initial methylene blue (MB) concentration and contact time to evaluate their impact on the process. The bead recycling was also scrutinized. We have come to the conclusion that Fe2O3-modified TiO2-Alg displayed superiorities, including expanded responsive wavelength range in the visible region (up to 700 nm), narrower band gap (1.79 eV), and better efficiency for MB removal in terms of adsorption capacities and photocatalytic effectiveness under both UV and visible irradiations. Furthermore, these beads can be effortlessly recovered from the reaction medium after the photocatalytic process and reused up to 5 cycles without any noteworthy decline in their initial properties.
Collapse
Affiliation(s)
- Soulaima Chkirida
- Composites and Nanocomposites Center, Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR), Rabat Design Center, Rue Mohamed El Jazouli, Madinat El Irfane, 10100, Rabat, Morocco
- Laboratory of Heterocyclic Organic Chemistry, Faculty of Sciences, University Mohammed V, Rabat, Morocco
| | - Nadia Zari
- Composites and Nanocomposites Center, Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR), Rabat Design Center, Rue Mohamed El Jazouli, Madinat El Irfane, 10100, Rabat, Morocco
| | - Redouane Achour
- Laboratory of Heterocyclic Organic Chemistry, Faculty of Sciences, University Mohammed V, Rabat, Morocco
| | - Abou El Kacem Qaiss
- Composites and Nanocomposites Center, Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR), Rabat Design Center, Rue Mohamed El Jazouli, Madinat El Irfane, 10100, Rabat, Morocco
| | - Rachid Bouhfid
- Composites and Nanocomposites Center, Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR), Rabat Design Center, Rue Mohamed El Jazouli, Madinat El Irfane, 10100, Rabat, Morocco.
| |
Collapse
|
14
|
Synergistic effects of α-Fe2O3-TiO2 and Na2S2O8 on the performance of a non-thermal plasma reactor as a novel catalytic oxidation process for dimethyl phthalate degradation. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2020.117185] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
|
15
|
On the Role of γ-Fe2O3 Nanoparticles and Reduced Graphene Oxide Nanosheets in Enhancing Self-Cleaning Properties of Composite TiO2 for Cultural Heritage Protection. COATINGS 2020. [DOI: 10.3390/coatings10100933] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
The durability of novel metallic artifacts and buildings is an open issue, and the role of smart protecting coatings in extending these artifacts’ lifetimes is crucial. In this paper, the role of γ-Fe2O3 nanoparticles and reduced graphene oxide (rGO) nanosheets on enhancing the self-cleaning properties of composite TiO2 films and reducing metal alterations due to contact with acid rain and pollutants is investigated. The photocatalytic assessment of the TiO2 based films indicates that there are optimum contents for γ-Fe2O3 and rGO, which confer the film lower bandgap and tune the TiO2 anatase/rutile ratio. By adding a proper content of γ-Fe2O3, wettability is reduced both in dark and under illumination, which could be related to higher roughness. γ-Fe2O3 overloading causes increasing crack density and eventually a fully cracked structure. Adding an appropriate amount of rGO causes a sharp increase in roughness, due to the stacking of rGO nanosheets, while simultaneously avoiding cracking. At higher contents of rGO, wettability further decreases due to higher amounts of hydroxyl groups bound onto rGO; also in this case, overloading causes film cracking. Evaluation of self-cleaning performance and discoloration resistance under soiling and acid rain simulated tests demonstrates that proper loadings of γ-Fe2O3 and rGO present higher efficiency thanks to higher superhydrophilic tendency and higher photocatalytic activities, as well as an efficient barrier effect.
Collapse
|
16
|
Mokhtarifar M, Kaveh R, Bagherzadeh M, Lucotti A, Pedeferri M, Diamanti MV. Heterostructured TiO 2/SiO 2/γ-Fe 2O 3/rGO Coating with Highly Efficient Visible-Light-Induced Self-Cleaning Properties for Metallic Artifacts. ACS APPLIED MATERIALS & INTERFACES 2020; 12:29671-29683. [PMID: 32492345 PMCID: PMC8153401 DOI: 10.1021/acsami.0c06792] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/13/2020] [Accepted: 06/03/2020] [Indexed: 06/01/2023]
Abstract
A novel nanohybrid composite of TiO2, SiO2, γ-Fe2O3, and reduced graphene oxide (TiO2@Si:Fe:rGO) is fabricated by the sol-gel method. The properties of the coated film were examined by structural and self-cleaning analyses using simulated discoloration/soiling and roofing tests. The fabricated transparent TiO2@Si:Fe:rGO composite showed excellent photoactivity and wettability, behaving well in self-cleaning applications. The addition of SiO2 improved the crystalline structure and surface hydroxylation of TiO2 nanoparticles. γ-Fe2O3 decreased the recombination rate of e-/h+ pairs, and significantly improved photocatalytic activity under visible light. Moreover, rGO sheets as excellent electron acceptors and transporters also reduced recombination, as well as affected wettability, achieving superhydrophilicity under irradiation. The coated substrate showed excellent resistance to simulated acid rain and significantly preserved the substrate from soiling in roofing tests.
Collapse
Affiliation(s)
- Maryam Mokhtarifar
- Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Milan 20133, Italy
| | - Reyhaneh Kaveh
- Department of Chemistry, Sharif University
of Technology, Tehran 11365-11155, Iran
| | - Mojtaba Bagherzadeh
- Department of Chemistry, Sharif University
of Technology, Tehran 11365-11155, Iran
| | - Andrea Lucotti
- Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Milan 20133, Italy
| | - MariaPia Pedeferri
- Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Milan 20133, Italy
| | - Maria Vittoria Diamanti
- Department of Chemistry,
Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Milan 20133, Italy
| |
Collapse
|
17
|
Mendiola-Alvarez SY, Palomino-Cabello C, Hernández-Ramírez A, Turnes-Palomino G, Guzmán-Mar JL, Hinojosa-Reyes L. Coupled heterogeneous photocatalysis using a P-TiO2-αFe2O3 catalyst and K2S2O8 for the efficient degradation of a sulfonamide mixture. J Photochem Photobiol A Chem 2020. [DOI: 10.1016/j.jphotochem.2020.112485] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
|
18
|
Kumar MRA, Abebe B, Nagaswarupa HP, Murthy HCA, Ravikumar CR, Sabir FK. Enhanced photocatalytic and electrochemical performance of TiO 2-Fe 2O 3 nanocomposite: Its applications in dye decolorization and as supercapacitors. Sci Rep 2020; 10:1249. [PMID: 31988344 PMCID: PMC6985144 DOI: 10.1038/s41598-020-58110-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2019] [Accepted: 12/31/2019] [Indexed: 11/17/2022] Open
Abstract
This work reveals a green combustion route for the synthesis of TiO2, Fe2O3 and TiO2-Fe2O3 nanocomposites as photocatalysts for decolorization of Titan Yellow (TY) and Methyl Orange (MO) dyes at room temperature in aqueous solution concentration of 20 ppm under UV-light irradiation. We observed that the TiO2-Fe2O3 nanocomposite shows superior photocatalytic activity for TY dye compared to pure TiO2 and Fe2O3. Rate constant (k) values of TiO2, Fe2O3 and TiO2–Fe2O3 for TY and MO are 0.0194, 0.0159, 0.04396 and 0.00931, 0.00772 0.0119 kmin−1 respectively. The surface area and pore volume of TiO2-Fe2O3 nanocomposite were found to be 71.56 m2/g and 0.076 cm3/g, respectively as revealed by BET studies. From the Barrett–Joyner–Halenda (BJH) plot, the mean pore diameter of TiO2-Fe2O3 nanoparticles was found to be 2.43 nm. Further, the TiO2-Fe2O3 nanocomposite showed good electrochemical behavior as an electrode material for supercapacitors when compared to pure TiO2 and Fe2O3 nanoparticles resulted in stable electrochemical performance with nearly 100% coulombic efficiency at a scan rate of 10 mV/s for 1000 cycles. Interestingly, the novelty of this work is that the designed supercapacitors showed stable electrochemical performance even at 1000th cycle, which might be useful for rechargeable supercapacitor applications. The electrochemical properties of the nanocomposites were compared by the data obtained by cyclic voltammograms, charge-discharge tests and electrochemical impedance spectroscopic studies. These results demonstrated that the TiO2-Fe2O3 nanocomposite showed stable performance compared to TiO2 and Fe2O3 nanoparticles at current density of 5 Ag−1.
Collapse
Affiliation(s)
- M R Anil Kumar
- Research Centre, Department of Science, East West Institute of Technology, Bangalore, 560091, India
| | - Buzuayehu Abebe
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, Po Box 1888, Adama, Ethiopia
| | - H P Nagaswarupa
- PG Department of Chemistry, Davanagere University, Davanagere, 577001, India
| | - H C Ananda Murthy
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, Po Box 1888, Adama, Ethiopia.
| | - C R Ravikumar
- Research Centre, Department of Science, East West Institute of Technology, Bangalore, 560091, India.
| | - Fedlu Kedir Sabir
- Department of Applied Chemistry, School of Applied Natural Science, Adama Science and Technology University, Po Box 1888, Adama, Ethiopia
| |
Collapse
|
19
|
Synthesis and Characterization of Ti–Fe Oxide Nanomaterials: Adsorption–Degradation of Methyl Orange Dye. ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING 2020. [DOI: 10.1007/s13369-019-04328-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
|
20
|
Chkirida S, Zari N, Achour R, Qaiss AEK, Bouhfid R. Effect of iron doped titanium oxide encapsulated in alginate on photocatalytic activity for the removal of dye pollutants. RSC Adv 2020; 10:22311-22317. [PMID: 35514547 PMCID: PMC9054588 DOI: 10.1039/d0ra02898c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Accepted: 05/28/2020] [Indexed: 11/21/2022] Open
Abstract
Iron oxide/titania oxide are encapsulated in alginate biopolymer. These bio-nanocomposites are suitable for the photodegradation of dissimilar organic pollutants under UV irradiation as well as visible light.
Collapse
Affiliation(s)
- Soulaima Chkirida
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
| | - Nadia Zari
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
| | - Redouane Achour
- Laboratoire de Chimie Organique et Hétérocyclique
- Faculty of Science
- Mohammed V-Rabat University
- Rabat
- Morocco
| | - Abou el kacem Qaiss
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
| | - Rachid Bouhfid
- Moroccan Foundation for Advanced Science, Innovation and Research (MAScIR)
- Composites et Nanocomposites Center
- Rabat Design Center
- 10100 Rabat
- Morocco
| |
Collapse
|
21
|
Nouri M, Rahimnejad M, Najafpour G, Akbar Moghadamnia A. A Gr/αFe
2
O
3
/Carbon Paste Electrode Developed as an Electrochemical Sensor for Determination of Rizatriptan Benzoate: An Antimigraine Drug. ChemistrySelect 2019. [DOI: 10.1002/slct.201902845] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Maedeh Nouri
- Biofuel & Renewable Energy Research CenterDepartment of BiotechnologyFaculty of Chemical EngineeringBabol Noshirvani University of Technology, Babol, Mazandaran Iran
| | - Mostafa Rahimnejad
- Chemical Engineering DepartmentBabol Noshirvani University of Technology, Babol, Mazandaran Iran
| | - Ghasem Najafpour
- Biotechnology Research LaboratoryFaculty of Chemical EngineeringBabol Noshirvani University of Technology, Babol Iran
| | | |
Collapse
|
22
|
Khasawneh OFS, Palaniandy P, Teng LP. Large-scale study for the photocatalytic degradation of paracetamol using Fe 2O 3/TiO 2 nanocomposite catalyst and CPC reactor under natural sunlight radiations. MethodsX 2019; 6:2735-2743. [PMID: 31788439 PMCID: PMC6879991 DOI: 10.1016/j.mex.2019.11.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2019] [Accepted: 11/14/2019] [Indexed: 02/08/2023] Open
Abstract
Heterogeneous photocatalysis is a promising advanced oxidation process for the degradation of emerging contaminants. In this regard, Hematite (α-Fe2O3) doped TiO2 nanocomposite catalyst was synthesized via sol-gel method. The catalyst was prepared in large quantities (225 g) comparatively with other studies and characterized by X-ray diffraction (XRD), Field emission scanning electron microscopy (FESEM), Energy-dispersive X-ray (EDX), and nitrogen gas physisorption studies. The bandgap of the synthesized catalyst was determined using UV-vis diffused reflectance spectroscopy (DRS), and the point of zero charge (PZC) was identified by measuring the zeta potential (ζ-potential) of the nanoparticles. A large-scale study was conducted using a modified Compound Parabolic Collector Reactor (CPCR) for the degradation of paracetamol under natural sunlight irradiations. The operating parameters including the initial concentration of paracetamol, initial pH of the solution, and catalyst loading were optimized using face-centered central composite design (FCCD) based on response surface method (RSM) to obtain the maximum degradation efficiency of paracetamol. •The simplified and direct sol-gel method described helps in the synthesis of a novel nanocomposite catalyst (Fe2O3/TiO2) in large quantities while maintaining good characteristics compared to other methods.•The described treatment method using the modified CPCR will allow the degradation of paracetamol in a more sustainable and green manner.•Optimizing the operating parameters that have a significant influence on the degradation of paracetamol will contribute towards higher degradation rates.
Collapse
Affiliation(s)
- Omar Fawzi Suleiman Khasawneh
- School of Civil Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Puganeshwary Palaniandy
- School of Civil Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| | - Lum Pei Teng
- School of Civil Engineering, Engineering Campus, Universiti Sains Malaysia, 14300 Nibong Tebal, Pulau Pinang, Malaysia
| |
Collapse
|
23
|
Mohamed HH, Alomair NA, Akhtar S, Youssef TE. Eco-friendly synthesized α-Fe2O3/TiO2 heterojunction with enhanced visible light photocatalytic activity. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.111951] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
|
24
|
Fe2O3 modification promotes the photocatalytic performance of TiO2 nanotube confined Pd nanoparticles. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.111865] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
25
|
Galedari M, Mehdipour Ghazi M, Rashid Mirmasoomi S. Photocatalytic process for the tetracycline removal under visible light: Presenting a degradation model and optimization using response surface methodology (RSM). Chem Eng Res Des 2019. [DOI: 10.1016/j.cherd.2019.03.031] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
|
26
|
Facile synthesis of Bi2S3 nanosheet/Zr:Fe2O3 nanorod heterojunction: Effect of Ag interlayer on the change transport and photoelectrochemical stability. J IND ENG CHEM 2019. [DOI: 10.1016/j.jiec.2018.10.031] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
|
27
|
Zheng X, Fu W, Kang F, Peng H, Wen J. Enhanced photo-Fenton degradation of tetracycline using TiO2-coated α-Fe2O3 core–shell heterojunction. J IND ENG CHEM 2018. [DOI: 10.1016/j.jiec.2018.07.024] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
|
28
|
Sadlo A, Beer SMJ, Rahman S, Grafen M, Rogalla D, Winter M, Ostendorf A, Devi A. Tailored β-Ketoiminato Complexes of Iron: Synthesis, Characterization, and Evaluation towards Solution-Based Deposition of Iron Oxide Thin Films. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800094] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Alexander Sadlo
- Inorganic Materials Chemistry; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Sebastian M. J. Beer
- Inorganic Materials Chemistry; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Shafiqur Rahman
- Inorganic Materials Chemistry; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Markus Grafen
- Applied Laser Technologies; Faculty of Mechanical Engineering; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Detlef Rogalla
- RUBION; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Manuela Winter
- Inorganic Materials Chemistry; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Andreas Ostendorf
- Applied Laser Technologies; Faculty of Mechanical Engineering; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| | - Anjana Devi
- Inorganic Materials Chemistry; Ruhr University Bochum; Universitätsstrasse 150 44801 Bochum Germany
| |
Collapse
|
29
|
Kim CW, Kang MJ, Van TK, Kang YS. A selective morphosynthetic approach for single crystalline hematite through morphology evolution via microwave assisted hydrothermal synthesis. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2017.05.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
|
30
|
Jung MJ, Kim Y, Lee YS. Enhancement of the electrochemical capacitance of TiOF 2 obtained via control of the crystal structure. J IND ENG CHEM 2017. [DOI: 10.1016/j.jiec.2016.11.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
|
31
|
Bazrafshan H, Alipour Tesieh Z, Dabirnia S, Shajareh Touba R, Manghabati H, Nasernejad B. Synthesis of novel α-Fe2O3 nanorods without surfactant and its electrochemical performance. POWDER TECHNOL 2017. [DOI: 10.1016/j.powtec.2016.12.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
|
32
|
YÜRÜM A, KARAKAŞ G. Synthesis of Na-, Fe-, and Co-promoted TiO$_{2}$/multiwalled carbon nanotube composites and their use as a photocatalyst. Turk J Chem 2017. [DOI: 10.3906/kim-1610-18] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022] Open
|