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Wang Z, Chen H, Rong C, Li A, Hua X, Dong D, Liang D, Liu H. Photocatalytic Degradation of Acetaminophen in Aqueous Environments: A Mini Review. TOXICS 2023; 11:604. [PMID: 37505569 PMCID: PMC10386104 DOI: 10.3390/toxics11070604] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Revised: 07/08/2023] [Accepted: 07/10/2023] [Indexed: 07/29/2023]
Abstract
Over the past few decades, acetaminophen (ACT), a typical nonsteroidal anti-inflammatory drug (NSAID), has gained global usage, positioning itself as one of the most extensively consumed medications. However, the incomplete metabolism of ACT leads to a substantial discharge into the environment, classifying it as an environmental contaminant with detrimental effects on non-target organisms. Various wastewater treatment technologies have been developed for ACT removal to mitigate its potential environmental risk. Particularly, photocatalytic technology has garnered significant attention as it exhibits high efficiency in oxidizing and degrading a wide range of organic pollutants. This comprehensive review aims to systematically examine and discuss the application of photocatalytic technology for the removal of ACT from aqueous environments. Additionally, the study provides a detailed overview of the limitations associated with the photocatalytic degradation of ACT in practical applications, along with effective strategies to address these challenges.
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Affiliation(s)
- Zhuowen Wang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Haijun Chen
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Chang Rong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Anfeng Li
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Xiuyi Hua
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Deming Dong
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Dapeng Liang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
| | - Haiyang Liu
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin Provincial Key Laboratory of Water Resources and Environment, College of New Energy and Environment, Jilin University, Changchun 130012, China
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Guo Y, Dai Y, Wang Y, Zuo G, Long T, Li S, Li H, Sun C, Zhao W. Boosted visible-light-driven degradation over stable ternary heterojunction as a plasmonic photocatalyst: Mechanism exploration, pathway and toxicity evaluation. J Colloid Interface Sci 2023; 641:758-781. [PMID: 36965346 DOI: 10.1016/j.jcis.2023.03.064] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 02/20/2023] [Accepted: 03/09/2023] [Indexed: 03/16/2023]
Abstract
The incorporation of plasmonic metals into semiconductors forming heterojunction photocatalysts is a promising route to enhance the photocatalytic performance in visible light. In this work, we reported the visible-light-driven one-dimensional (1D) nanostick silver/silver sulfide (Ag/Ag2S) photocatalyst combining with two-dimensional (2D) nanosheet reduced graphene oxide intersected by hollow structure (h-RGO) was prepared via a feasible approach at room temperature. The density of Ag depositing on the surface of Ag2S was easily tuned by the concentration of sodium borohydride and the silicon dioxide nanospheres were employed as templates in the preparation of h-RGO by the layer-by-layer (LBL) assembly. The ternary plasmonic Ag/Ag2S/h-RGO photocatalysts exhibited better photocatalytic performance for degradation of naphthalene (95.95%) and 1-naphthol (98.65%) under visible light than the pure Ag2S, composite Ag/Ag2S and composite Ag/Ag2S/RGO. Localized surface plasmon resonance of Ag, heterojunction formed between Ag/Ag2S and RGO and the unique characteristics of h-RGO, which included higher specific surface areas, more efficient reflections of light and more active sites than RGO for boosting separation efficiency of charge carriers, were all responsible for such enhancement. By combining the characterization results with various computations, the mechanism, potential degradation pathways and the toxicity of the generated intermediates for photodegradation were examined. In addition to offering profound insight into the expansion of effective plasmonic photocatalysts with novel structures, the current study is beneficial to ease the environmental crisis to a certain extent.
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Affiliation(s)
- Yang Guo
- State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210000, China; State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China; Department of Plant, Soil and Microbial Sciences, Plant and Soil Science Building 1066 Bogue Street, Michigan State University, East Lansing, MI 48824, United States
| | - Yuxuan Dai
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Yuting Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Gancheng Zuo
- School of Environment, Nanjing Normal University, Nanjing, Jiangsu 210023, China
| | - Tao Long
- State Environmental Protection Key Laboratory of Soil Environmental Management and Pollution Control, Nanjing Institute of Environmental Sciences, Ministry of Ecology and Environment, Nanjing 210000, China
| | - Shijie Li
- Institute of Innovation & Application, Key Laboratory of Health Risk Factors for Seafood of Zhejiang Province, National Engineering Research Center for Marine Aquaculture, Zhejiang Ocean University, Zhoushan, Zhejiang Province 316022, China
| | - Hui Li
- Department of Plant, Soil and Microbial Sciences, Plant and Soil Science Building 1066 Bogue Street, Michigan State University, East Lansing, MI 48824, United States
| | - Cheng Sun
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
| | - Wei Zhao
- Department of Mechanical Engineering, University of Hong Kong, Pokfulam Road, Hong Kong; School of Materials Engineering, Changshu Institute of Technology, Changshu, China
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Heavy Metal Removal from Aqueous Effluents by TiO2 and ZnO Nanomaterials. ADSORPT SCI TECHNOL 2023. [DOI: 10.1155/2023/2728305] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The presence of heavy metals in wastewater, such as Ni, Pb, Cd, V, Cr, and Cu, is a serious environmental problem. This kind of inorganic pollutant is not biodegradable for several years, and its harmful effect is cumulative. Recently, semiconductor nanomaterials based on metal oxides have gained interest due to their efficiency in the removal of heavy metals from contaminated water, by inducing photocatalytic ion reduction when they absorb light of the appropriate wavelength. The most commonly applied semiconductor oxides for these purposes are titanium oxide (TiO2), zinc oxide (ZnO), and binary nanomaterials composed of both types of oxides. The main purpose of this work is to critically analyse the existent literature concerning this topic focusing specially in the most important factors affecting the adsorption or photocatalytic capacities of this type of nanomaterials. In particular, photocatalytic activity is altered by various factors, such as proportion of polymorphs, synthesis method, surface area, concentration of defects and particle size, among others. After a survey of the actual literature, it was found that, although these metal oxides have low absorption capacity for visible light, it is possible to obtain an acceptable heavy metal reduction performance by sensitization with dyes, doping with metallic or nonmetallic atoms, introduction of defects, or the coupling of two or more semiconductors.
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Sugiura E, Furukawa M, Tateishi I, Katsumata H, Kaneco S. Development of Ag/Ag 2O/ZnO photocatalyst and their photocatalytic activity towards dibutyl phthalate decomposition in water. JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION (1995) 2022; 72:1137-1152. [PMID: 35499520 DOI: 10.1080/10962247.2022.2071358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/16/2022] [Revised: 03/22/2022] [Accepted: 04/12/2022] [Indexed: 06/14/2023]
Abstract
The photocatalyst Ag/Ag2O-modified ZnO, fabricated by a simple one-step calcination method, was applied into the degradation of organic pollutant dibutyl phthalate (DBP). Ag/ZnO and Ag2O/ZnO were prepared as a reference comparison. The prepared catalysts were evaluated by scanning electron microscope (SEM), transmission electron microscope (TEM), X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), BET surface area measurement, and photoluminescence spectra (PL) and UV-Vis diffuse reflectance spectroscopy (DRS) and electrochemical measurements. After the irradiation with ultraviolet light (352 nm), the solution was sampled and subjected to HPLC to evaluate the degradation efficiency of DBP. Ag/Ag2O/ZnO showed the best results with the excellent degradation of DBP. Ag/Ag2O/ZnO was four times more efficient, relative to zinc oxide alone. According to photocatalyst characterization, the total pore volume of photocatalyst was improved by loading Ag and Ag2O, suggesting an increase in the active sites. Also, the efficient electron transfer of Ag/Ag2O/ZnO was mainly responsible for the enhanced activity. The reaction mechanism for Ag/Ag2O/ZnO was determined to become a Z-scheme. From the radical scavenger tests, the main active species was identified as superoxide radicals. The stability of Ag/Ag2O/ZnO could be confirmed after five cycling reutilization. It was found from the radical scavenger test that •O2 - play an important role as the main reactive species in the photocatalytic degradation of DBP. Consequently, Ag/Ag2O/ZnO with a simple fabrication method seems to become one of the powerful photocatalyst for the photocatalytic degradation of organic pollutant in water.Implications: This study discusses the usefulness of Ag/Ag2O/ZnO composites. This photocatalyst could be an approach to solve the environmental pollution caused by organic pollutants, which is a growing problem all over the world. In addition, the highly efficient photocatalyst Ag/Ag2O/ZnO is an inexpensive and reusable catalyst with great practical potential.Furthermore, to the best of our knowledge, there are very few reports that have examined the combination of Ag, Ag2O and ZnO. In addition, the photocatalytic mechanism has not been understood. Here, we introduce Ag into Ag2O/ZnO to improve the photocatalytic performance and photostability, enhance the activity, and elucidate the mechanism of Ag/Ag2O/ZnO.
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Affiliation(s)
- Erisa Sugiura
- Department of Chemistry, Graduate School of Engineering, Mie University, Mie Japan
| | - Mai Furukawa
- Department of Chemistry, Graduate School of Engineering, Mie University, Mie Japan
| | - Ikki Tateishi
- Global Environment Center for Education & Research, Mie University, Mie Japan
| | - Hideyuki Katsumata
- Department of Chemistry, Graduate School of Engineering, Mie University, Mie Japan
| | - Satoshi Kaneco
- Department of Chemistry, Graduate School of Engineering, Mie University, Mie Japan
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Ichipi EO, Tichapondwa SM, Chirwa EM. Plasmonic effect and bandgap tailoring of Ag/Ag2S doped on ZnO nanocomposites for enhanced visible-light photocatalysis. ADV POWDER TECHNOL 2022. [DOI: 10.1016/j.apt.2022.103596] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Khavar AHC, Khazaee Z, Mahjoub A, Nejat R. TiO2 supported-reduced graphene oxide co-doped with gallium and sulfur as an efficient heterogeneous catalyst for the selective photochemical oxidation of alcohols; DFT and mechanism insights. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.114020] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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TiO2-Acetylacetone as an Efficient Source of Superoxide Radicals under Reduced Power Visible Light: Photocatalytic Degradation of Chlorophenol and Tetracycline. Catalysts 2022. [DOI: 10.3390/catal12020116] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
Visible light-sensitive TiO2-based nanomaterials are widely investigated for photocatalytic applications under high power (≥300 W) UV and visible light. The formation of charge transfer complexes (CTCs) between bidentate ligands and nanocrystalline TiO2 promotes visible light absorption and constitutes a promising alternative for environmental remediation under reduced visible light power. However, the efficiency of photodegradation, the volatilization profile of bidentates, and the role of reactive oxidizing species (ROS) are not fully understood. In this study, thermogravimetric analyses coupled with mass spectroscopy (TGA-MS) were performed on TiO2-Acetylacetone (ACAC) CTC. TiO2-ACAC CTC calcined at 300 °C (TiO2-A300) was applied for the photocatalytic degradation of chlorophenol (4-CP) and tetracycline (TC) under low power visible light (26 W). Furthermore, the ROS scavengers isopropanol and benzoquinone were added for studying the photocatalytic role of •OH and •O2− radicals. The TGA-MS showed the release of ACAC fragments, such as ethyl ions and acetone, in the range between 150 °C and 265 °C, while between 300 °C and 450 °C only CO2 and H2O were released during oxidation of ACAC. The photocatalytic abatement of tetracycline (68.6%), performed by TiO2-A300, was ~two times higher than that observed for chlorophenol (31.3%) after 6 h, indicating a distinct participation of ROS in the degradation of these pollutants. The addition of the ROS scavenger revealed •O2− radicals as primarily responsible for the high efficiency of TiO2-ACAC CTC under reduced visible light. On the other hand, the •OH radicals are not efficiently generated in the CTC. Therefore, the development of heterostructures based on TiO2-ACAC CTC can increase the generation of ROS through coupling with semiconductors capable of generating •OH under visible light.
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Sharma RK, Yadav S, Dutta S, Kale HB, Warkad IR, Zbořil R, Varma RS, Gawande MB. Silver nanomaterials: synthesis and (electro/photo) catalytic applications. Chem Soc Rev 2021; 50:11293-11380. [PMID: 34661205 PMCID: PMC8942099 DOI: 10.1039/d0cs00912a] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
In view of their unique characteristics and properties, silver nanomaterials (Ag NMs) have been used not only in the field of nanomedicine but also for diverse advanced catalytic technologies. In this comprehensive review, light is shed on general synthetic approaches encompassing chemical reduction, sonochemical, microwave, and thermal treatment among the preparative methods for the syntheses of Ag-based NMs and their catalytic applications. Additionally, some of the latest innovative approaches such as continuous flow integrated with MW and other benign approaches have been emphasized that ultimately pave the way for sustainability. Moreover, the potential applications of emerging Ag NMs, including sub nanomaterials and single atoms, in the field of liquid-phase catalysis, photocatalysis, and electrocatalysis as well as a positive role of Ag NMs in catalytic reactions are meticulously summarized. The scientific interest in the synthesis and applications of Ag NMs lies in the integrated benefits of their catalytic activity, selectivity, stability, and recovery. Therefore, the rise and journey of Ag NM-based catalysts will inspire a new generation of chemists to tailor and design robust catalysts that can effectively tackle major environmental challenges and help to replace noble metals in advanced catalytic applications. This overview concludes by providing future perspectives on the research into Ag NMs in the arena of electrocatalysis and photocatalysis.
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Affiliation(s)
- Rakesh Kumar Sharma
- Green Chemistry Network Centre, University of Delhi, New Delhi-110007, India.
| | - Sneha Yadav
- Green Chemistry Network Centre, University of Delhi, New Delhi-110007, India.
| | - Sriparna Dutta
- Green Chemistry Network Centre, University of Delhi, New Delhi-110007, India.
| | - Hanumant B Kale
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Mumbai-Marathwada Campus, Jalna-431213, Maharashtra, India.
| | - Indrajeet R Warkad
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Mumbai-Marathwada Campus, Jalna-431213, Maharashtra, India.
| | - Radek Zbořil
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University, Šlechtitelů 27, 779 00 Olomouc, Czech Republic
- Nanotechnology Centre, CEET, VŠB-Technical University of Ostrava, 17. listopadu 2172/15, 708 00 Ostrava-Poruba, Czech Republic
| | - Rajender S Varma
- Regional Centre of Advanced Technologies and Materials, Czech Advanced Technology and Research Institute, Palacký University, Šlechtitelů 27, 779 00 Olomouc, Czech Republic
- U. S. Environmental Protection Agency, ORD, Center for Environmental Solutions and Emergency Response Water Infrastructure Division/Chemical Methods and Treatment Branch, 26 West Martin Luther King Drive, MS 483 Cincinnati, Ohio 45268, USA.
| | - Manoj B Gawande
- Department of Industrial and Engineering Chemistry, Institute of Chemical Technology, Mumbai-Marathwada Campus, Jalna-431213, Maharashtra, India.
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Ramasamy B, Jeyadharmarajan J, Chinnaiyan P. Novel organic assisted Ag-ZnO photocatalyst for atenolol and acetaminophen photocatalytic degradation under visible radiation: performance and reaction mechanism. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:39637-39647. [PMID: 33763832 PMCID: PMC7990384 DOI: 10.1007/s11356-021-13532-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2020] [Accepted: 03/15/2021] [Indexed: 05/05/2023]
Abstract
This study is on photocatalytic degradation of pharmaceutical residues of atenolol (ATL) and acetaminophen (ACT) present in secondary effluent under visible light irradiation stimulated by Ag doped ZnO (Ag-ZnO) photocatalyst. Lawsonia inermis leaf extract was used for reduction of Zinc sulphate to ZnO nanoparticles (NPs). Further, ZnO NPs were doped with Ag and characterized by XRD, FT-IR, SEM-EDX, surface area analyzer, UV-Vis, and photoluminescence spectrometry to analyze the structure, morphology, chemical composition, and optical property. FT-IR analysis revealed major functional groups such as OH, C=O, and SEM analysis depicted the polyhedron shape of the NPs with size range of 100 nm. Ag-ZnO NPs were used in the photocatalytic degradation of ATL and ACT, and its removal was evaluated by varying initial contaminant concentration, catalyst dosage, and initial pH. Findings indicate that Ag-ZnO NPs demonstrated relative narrow bandgap and efficient charge separation that resulted in enhanced photocatalytic activity under visible light illumination. The photocatalytic degradation of ATL and ACT fitted well with pseudo-first-order kinetic model. Further, it was found that under optimal conditions of 5 mg/L of contaminants, pH of 8.5, and catalyst dose of 1 g/L, degradation efficiency of 70.2% (ATL) and 90.8% (ACT) was achieved for a reaction time of 120 min. More than 60% reduction in TOC was observed for both contaminants and OH• pathway was found to be the major removal process. Ag-ZnO photocatalyst showed good recycling performance, and these findings indicate that it could be cost effectively employed for removing emerging contaminants under visible light radiation.
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Affiliation(s)
- Bhuvaneswari Ramasamy
- Department of Civil Engineering, Government College of Technology, Coimbatore, Tamilnadu, 641013, India
| | - Jeyanthi Jeyadharmarajan
- Department of Civil Engineering, Government College of Technology, Coimbatore, Tamilnadu, 641013, India.
| | - Prakash Chinnaiyan
- Department of Civil Engineering, Amrita Vishwa Vidyapeetham, Coimbatore, India
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Gomez-Solis C, Mendoza R, Rios-Orihuela JF, Robledo-Trujillo G, Diaz-Torres LA, Oliva J, Rodriguez-Gonzalez V. Efficient solar removal of acetaminophen contaminant from water using flexible graphene composites functionalized with Ni@TiO 2:W nanoparticles. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2021; 290:112665. [PMID: 33892238 DOI: 10.1016/j.jenvman.2021.112665] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 04/10/2021] [Accepted: 04/15/2021] [Indexed: 06/12/2023]
Abstract
This work presents the morphological, structural and photocatalytic properties of flexible graphene composites decorated with Ni@TiO2:W nanoparticles (TiNiW NPs) with an average size of 27 ± 2 nm. The TiNiW NPs were immobilized on the surface of a flexible graphene composite using a PVA-based slurry-paste (FG/TiNiW composite). The SEM study showed that the TiNiW NPs remained exposed on the surface of the FG/TiNiW composite, which benefited its photocatalytic activity. The photocatalytic performance for the degradation of acetaminophen (ACT) was evaluated using both the TiNiW powders and the FG/TiNiW composite, obtaining maximum degradation efficiencies of 100 and 86%, respectively, after 3 h under natural solar irradiation. The degradation of ACT was caused mainly by the reactive oxygen species such as OH radicals and h+, which was confirmed by scavenger experiments. Photoluminescence, XPS and absorbance experiments revealed that oxygen vacancy defects were created by i) doping the TiNiW NPs with W and by ii) introducing graphene into the composites. These defects enhanced the absorbance of light in the range of 400-800 nm, which in turn, promoted the photocatalytic degradation of ACT. Moreover, the reuse experiments confirmed that both the TiNiW NPs and FG/TiNiW composite were very stable for the degradation of ACT, since degradation efficiencies >82% were obtained after 4 reuse cycles for both photocatalysts. The experimental findings of this work demonstrate that the flexible TiO2/graphene composites are a feasible option for the removal of pharmaceutical contaminants from water using natural solar irradiation.
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Affiliation(s)
- C Gomez-Solis
- Universidad de Guanajuato, División de Ciencias e Ingenierías, 37150, León, Guanajuato, Mexico
| | - R Mendoza
- CONACyT-División de Materiales Avanzados, Instituto Potosino de Investigación Científica y Tecnológica A. C., 78216, San Luis Potosí, SLP, Mexico
| | - J F Rios-Orihuela
- Universidad de Guanajuato, División de Ciencias e Ingenierías, 37150, León, Guanajuato, Mexico
| | - G Robledo-Trujillo
- CONACyT-División de Materiales Avanzados, Instituto Potosino de Investigación Científica y Tecnológica A. C., 78216, San Luis Potosí, SLP, Mexico
| | - L A Diaz-Torres
- Grupo de Espectroscopia de Materiales Avanzados y Nanoestructurados (GEMANA), Centro de Investigaciones en Óptica, A.C., Lomas Del Bosque115, Lomas Del Campestre, C.P. 37150, León, Guanajuato, Mexico
| | - J Oliva
- CONACyT-División de Materiales Avanzados, Instituto Potosino de Investigación Científica y Tecnológica A. C., 78216, San Luis Potosí, SLP, Mexico.
| | - V Rodriguez-Gonzalez
- CONACyT-División de Materiales Avanzados, Instituto Potosino de Investigación Científica y Tecnológica A. C., 78216, San Luis Potosí, SLP, Mexico.
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Jafarisani M, Cheshme Khavar AH, Mahjoub AR, Luque R, Rodríguez-Padrón D, Satari M, Gharravi AM, Khastar H, Kazemi SS, Masoumikarimi M. Enhanced visible-light-driven photocatalytic degradation of emerging water contaminants by a modified zinc oxide-based photocatalyst; In-vivo and in-vitro toxicity evaluation of wastewater and PCO-treated water. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116430] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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Noman MT, Petru M, Militký J, Azeem M, Ashraf MA. One-Pot Sonochemical Synthesis of ZnO Nanoparticles for Photocatalytic Applications, Modelling and Optimization. MATERIALS (BASEL, SWITZERLAND) 2019; 13:E14. [PMID: 31861406 PMCID: PMC6981647 DOI: 10.3390/ma13010014] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 12/13/2019] [Accepted: 12/14/2019] [Indexed: 12/11/2022]
Abstract
This present study proposed a successful one pot synthesis of zinc oxide nanoparticles (ZnO NPs) and their optimisation for photocatalytic applications. Zinc chloride (ZnCl2) and sodium hydroxide (NaOH) were selected as chemical reagents for the proposed study. The design of this experiment was based on the reagents' amounts and the ultrasonic irradiations' time. The results regarding scanning electron microscopy (SEM), X-ray diffraction (XRD) and Raman spectroscopy confirmed the presence of ZnO NPs with pure hexagonal wurtzite crystalline structure in all synthesised samples. Photocatalytic activity of the developed samples was evaluated against methylene blue dye solution. The rapid removal of methylene blue dye indicated the higher photocatalytic activity of the developed samples than untreated samples. Moreover, central composite design was utilised for statistical analysis regarding the obtained results. A mathematical model for the optimisation of input conditions was designed to predict the results at any given point. The role of crystallisation on the photocatalytic performance of developed samples was discussed in detail in this novel study.
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Affiliation(s)
- Muhammad Tayyab Noman
- Department of Machinery Construction, Institute for Nanomaterials, Advanced Technologies and Innovation, Studentská 1402/2, Technical University of Liberec, 461 17 Liberec, Czech Republic;
- Department of Material Engineering, Faculty of Textile Engineering, Studentská 1402/2, Technical University of Liberec, 461 17 Liberec, Czech Republic; (J.M.); (M.A.)
| | - Michal Petru
- Department of Machinery Construction, Institute for Nanomaterials, Advanced Technologies and Innovation, Studentská 1402/2, Technical University of Liberec, 461 17 Liberec, Czech Republic;
| | - Jiří Militký
- Department of Material Engineering, Faculty of Textile Engineering, Studentská 1402/2, Technical University of Liberec, 461 17 Liberec, Czech Republic; (J.M.); (M.A.)
| | - Musaddaq Azeem
- Department of Material Engineering, Faculty of Textile Engineering, Studentská 1402/2, Technical University of Liberec, 461 17 Liberec, Czech Republic; (J.M.); (M.A.)
| | - Muhammad Azeem Ashraf
- Department of Fibre and Textile Technology, University of Agriculture, Faisalabad 38000, Pakistan;
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