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Yan YQ, Wu YZ, Wu YH, Weng ZL, Liu SJ, Liu ZG, Lu KQ, Han B. Recent Advances of CeO 2-Based Composite Materials for Photocatalytic Applications. CHEMSUSCHEM 2024; 17:e202301778. [PMID: 38433647 DOI: 10.1002/cssc.202301778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 01/23/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
Photocatalysis has the advantages of practical, sustainable and environmental protection, so it plays a significant role in energy transformation and environmental utilization. CeO2 has attracted widespread attention for its unique 4 f electrons, rich defect structures, high oxygen storage capacity and great chemical stability. In this paper, we review the structure of CeO2 and the common methods for the preparation of CeO2-based composites in the first part. In particular, we highlight the co-precipitation method, template method, and sol-gel method methods. Then, in the second part, we introduce the application of CeO2-based composites in photocatalysis, including photocatalytic CO2 reduction, hydrogen production, degradation, selective organic reaction, and photocatalytic nitrogen fixation. In addition, we discuss several modification techniques to improve the photocatalytic performance of CeO2-based composites, such as elemental doping, defect engineering, constructing heterojunction and morphology regulation. Finally, the challenges faced by CeO2-based composites are analyzed and their development prospects are prospected. This review provides a systematic summary of the recent advance of CeO2-based composites in the field of photocatalysis, which can provide useful references for the rational design of efficient CeO2-based composite photocatalysts for sustainable development.
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Affiliation(s)
- Yu-Qing Yan
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, PR China
| | - Yu-Zheng Wu
- School of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Yong-Hui Wu
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, PR China
| | - Zong-Lin Weng
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, PR China
| | - Shi-Jie Liu
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, PR China
| | - Zeng-Guang Liu
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, PR China
| | - Kang-Qiang Lu
- Jiangxi Provincial Key Laboratory of Functional Molecular Materials Chemistry, School of Chemistry and Chemical Engineering, Jiangxi University of Science and Technology, Ganzhou, 341000, PR China
| | - Bin Han
- Key Laboratory for City Cluster Environmental Safety and Green Development of the Ministry of Education, School of Ecology, Environment and Resources, Guangdong University of Technology, Guangzhou, 510006, PR China
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2
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Yuan S, Liu Z, Duan X, Ren X, Zhao X. Enhancing degradation of sulfamethoxazole by layered double hydroxide/carbon nanotubes catalyst via synergistic effect of photocatalysis/persulfate activation. ENVIRONMENTAL RESEARCH 2024; 261:119647. [PMID: 39032618 DOI: 10.1016/j.envres.2024.119647] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/12/2024] [Revised: 07/04/2024] [Accepted: 07/18/2024] [Indexed: 07/23/2024]
Abstract
A Co3Mn-LDHs and carbon nanotube (Co3Mn-LDHs/CNT) composite catalyst was constructed for permonosulfate (PMS) activation and degrading sulfamethoxazole (SMX) under Vis light irradiation. The introduction of CNTs into Co3Mn-LDHs facilitate the exciton dissociation and carrier migration, and the e- and h+ were readily separated from Co3Mn-LDHs/CNT in the photocatalysis process, which promoted the production rate of reactive oxygen species (ROS), so the Co3Mn-LDHs + Vis + PMS system exhibited better activity with an SMX degradation ratio of 61.25% than those of Co3Mn-LDHs + Vis system (42.30%) and Co3Mn-LDHs + PMS system (48.30%). After 10 cycles, the degradation rate of SMX only decreased by 7.16%, indicating the good reusability of the Co3Mn-LDHs/CNTs catalyst. The results of electron paramagnetic resonance (EPR) analysis and radical quenching experiments demonstrated that that the SO4•- played crucial role for SMX removal in Co3Mn-LDHs/CNTs + Vis + PMS system, and both e- and h+ made an important contribution to activating PMS to produce ROS. Overall, this work provided an excellent catalyst for photo-assisted PMS activation and suggested the activation mechanism for organic pollutant remediation.
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Affiliation(s)
- Siyi Yuan
- School of Engineering, Jilin Normal University, Siping, 136000, China
| | - Zhibo Liu
- School of Engineering, Jilin Normal University, Siping, 136000, China
| | - Xiaoyue Duan
- School of Engineering, Jilin Normal University, Siping, 136000, China; Key Laboratory of Environmental Materials and Pollution Control (Jilin Normal University), Education Department of Jilin Province, Siping, 136000, China
| | - Xin Ren
- School of Engineering, Jilin Normal University, Siping, 136000, China; Key Laboratory of Environmental Materials and Pollution Control (Jilin Normal University), Education Department of Jilin Province, Siping, 136000, China.
| | - Xuesong Zhao
- School of Engineering, Jilin Normal University, Siping, 136000, China; Key Laboratory of Environmental Materials and Pollution Control (Jilin Normal University), Education Department of Jilin Province, Siping, 136000, China.
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Wang Y, Liu X, Zhou J, Zou HH. New types of open-framework vanadium borophosphates with photocatalytic properties. Dalton Trans 2024; 53:11778-11786. [PMID: 38940576 DOI: 10.1039/d4dt01330a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/29/2024]
Abstract
The exploration of new open-framework polyoxometalates is very significant in structural chemistry and materials science. Herein, three new organic hybrid three-dimensional vanadium borophosphates (H3O)7(H2aeae)3{[Cd(H2O)3]2[H3O⊃(V2BP2O12)6]}·15H2O (1, aeae = 2-(2-aminoethylamino)ethanol) and (H3O)5(H2aeae)3{[TM(H2O)2.5(H2aeae)0.5]2[H3O⊃ (V2BP2O12)6]}·9H2O [TM = Mn(2), Co(3)] were hydrothermally prepared and structurally characterized. The three vanadium borophosphates contain similar 12-member ring crown-shaped clusters [(V2BP2O12)6]18- based on the linkage of six [V2O8] dimers and six [BP2O10] units. The [(V2BP2O12)6]18- cluster is further bridged by the unsaturated [Cd(H2O)3]2+ or [TM(H2O)2.5(H2aeae)0.5]3+ complexes to build new types of open-framework vanadium borophosphates with pores and cavities retained by the protonated H2aeae2+, H3O+ and free H2O. Surprisingly, the monodentate H2aeae2+ ligand coordinating with a metal center was observed in 2 and 3 for the first time as the aeae molecule acted as the trichelating ligand. Their optical absorption edges were determined to be in the range of 2.61-2.68 eV using solid-state UV-vis spectroscopy. 1-3 exhibited excellent photocatalytic activity towards methylene blue (MB) degradation under visible light irradiation, which presented the first example of organic hybrid open-framework vanadium borophosphates as the photo-catalysts for MB degradation.
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Affiliation(s)
- Yiyao Wang
- Chongqing Key Laboratory of Inorganic Functional Materials, College of Chemistry, Chongqing Normal University, Chongqing 401331, P. R. China.
| | - Xing Liu
- Chongqing Key Laboratory of Inorganic Functional Materials, College of Chemistry, Chongqing Normal University, Chongqing 401331, P. R. China.
| | - Jian Zhou
- Chongqing Key Laboratory of Inorganic Functional Materials, College of Chemistry, Chongqing Normal University, Chongqing 401331, P. R. China.
| | - Hua-Hong Zou
- State Key Laboratory for Chemistry and Molecular Engineering of Medicinal Resources, School of Chemistry & Pharmacy of Guangxi Normal University, Guilin 541004, P. R. China
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Mamedov D, Karazhanov SZ, Alonso-Vante N. Fermi level pinning in metal oxides: influence on photocatalysis and photoelectrochemistry. JOURNAL OF PHYSICS. CONDENSED MATTER : AN INSTITUTE OF PHYSICS JOURNAL 2024; 36:413001. [PMID: 38942001 DOI: 10.1088/1361-648x/ad5d3b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Accepted: 06/28/2024] [Indexed: 06/30/2024]
Abstract
Photocatalysis and photoelectrochemical (PEC) reactions are complex processes involving both the physical properties and surface chemistry of the semiconductor photocatalyst. Their interplay applies specific limitations on the performance of different materials in light-driven reactions, often despite their optimal band structure and optical absorption. One of the ways to properly characterize the photocatalytic and PEC properties of semiconductors remains the measurement of the photopotential, which characterizes a driving force of photoinduced processes in the material. In this work, we give a general scope on the photopotential in PEC reactions that finds its origin in semiconductor physics. It is shown that the photopotential does not always play an interchangeable role with the photocurrent in comparative analysis of the photocatalytic performance of different materials. Furthermore, a correlation between the photopotential and the kinetics of methylene blue dye photocatalysis is shown for anatase-TiO2, CeO2and WO3as photocatalysts. Fermi level pinning (FLP) in the bandgap of CeO2is observed limiting the photoactivity of the compound, which is attributed to the high defectivity of CeO2. A short review is given on the possible origins of FLP in metal oxides and ways to overcome it. It is pointed out that the shift of the Fermi level after illumination of CeO2can trigger the chemical instability of the material accompanied by the FLP process.
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Affiliation(s)
- D Mamedov
- IC2MP, UMR-CNRS 7285, University of Poitiers, 4 rue Michel Brunet, 86072 Poitiers, France
| | - S Zh Karazhanov
- Department for Solar Energy, Institute for Energy Technology, Instituttveien 18, 2027 Kjeller, Norway
| | - N Alonso-Vante
- IC2MP, UMR-CNRS 7285, University of Poitiers, 4 rue Michel Brunet, 86072 Poitiers, France
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Gomathi A, Ramesh Kumar KA, Maadeswaran P. CeO 2 nanospheres incorporated with Bi 2MoO 6/g-C 3N 4 enhanced photocatalysis towards environmental pollutant Rhodamine B removal. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:48103-48121. [PMID: 39017869 DOI: 10.1007/s11356-024-34073-4] [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: 11/26/2023] [Accepted: 06/18/2024] [Indexed: 07/18/2024]
Abstract
We have adopted a novel CeO2/Bi2MoO6/g-C3N4-based ternary nanocomposite that was synthesized via hydrothermal technique. The physiochemical characterization of as-prepared samples was examined through various analytical techniques such as X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy TEM, photoluminescent spectra (PL), X-ray photoelectron spectroscopy (XPS), Brunauer-Emmett-Teller (BET), and ultraviolet diffuse reflectance spectroscopy (UV-DRS) technique. In addition, the photocatalytic performance was carried out by degradation of Rhodamine B dye under visible light irradiation using this nanocatalyst. The ternary nanocomposite achieved 94% of the degradation efficiency within 100 min which is higher than the pristine and binary composites under the predetermined condition pH = 7, Rhodamine B dye = 5 mg/L, and catalyst concentration = 150 mg/L. The experimental synergetic effect of CeO2/Bi2MoO6/g-C3N4 ternary nanocomposite has been ascribed to the interfacial charge carrier migration between CeO2, Bi2MoO6, and g-C3N4. The optical absorption range of CeO2/Bi2MoO6/g-C3N4 ternary nanocomposite was enhanced, and the band gap was reduced up to 2.2 eV. In addition, scavenger trapping experiment proves that the super oxide anions (O2-.) and photogenerated holes are the major active species. The reusability and stability experiment proved the CeO2/Bi2MoO6/g-C3N4 ternary nanocomposite keeps good durability during the photocatalytic degradation process after the five successive cycles. Furthermore, based on the results, the charge carrier transfer photocatalytic mechanism was also discussed. This CeO2/Bi2MoO6/g-C3N4 ternary nanocomposite may offer the cheapest material and extend the great opportunity for clean and environmental remediation approach under the visible light irradiation.
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Affiliation(s)
- Abimannan Gomathi
- Advanced Nanomaterials and Energy Research Laboratory, Department of Energy Science and Technology, Periyar University, Salem, 636011, India
| | - Kandasamy Athiyanan Ramesh Kumar
- Advanced Bioenergy and Biofuels Research Laboratory, Department of Energy Science and Technology, Periyar University, Salem, 636011, India
| | - Palanisamy Maadeswaran
- Advanced Nanomaterials and Energy Research Laboratory, Department of Energy Science and Technology, Periyar University, Salem, 636011, India.
- Center for Instrumentation and Maintenance Facility, Periyar University, 636011, Salem, Tamil Nadu, India.
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6
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Manojkumar MS, Sivaprakash B, Natarajan Arumugam, Almansour AI. Banana peel extract for CeO 2 nanoflower synthesis: Enhancing photocatalytic activity for methyl orange dye removal and bactericidal effects. ENVIRONMENTAL RESEARCH 2024; 252:118785. [PMID: 38555094 DOI: 10.1016/j.envres.2024.118785] [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: 12/30/2023] [Revised: 03/10/2024] [Accepted: 03/23/2024] [Indexed: 04/02/2024]
Abstract
The cube architecture associated with the CeO2 nanoflowers (NFs) that generated, which had an average crystallization width of 7 nm, has been confirmed by X-ray crystallographic investigations. The method used is environmentally acceptable since it converts wasted banana peel extracts into CeO2 nanoflower. On the basis of artwork obtained from a High-Resolution Transmission Electron Microscope (HR-TEM), CeO2 nanoparticles have been observed to possess a spherical shape and an average particle diameter of 21 nm. To take the purpose of this study, green-fabricated CeO2-NFs were used to investigate the photocatalytic oxidation of methyl orange (MO) dye when exposed to sunshine. CeO2 nanofibers showed a degradation performance of 98% when compared to methyl orange dye. Evidently is a possibility that this may be caused by the presence of CeO2 nanoflowers, whereby enhance the interaction of electrons, which are holes dissolution, and adherence. Upon a single day of being exposed, the biocidal potential was tested against both gram-positive and gram-negative bacteria, including E. coli, B. cereus, and S. aureus, among others. Due to the fact that its 32 mm minimum inhibitory concentration (MIC) for B. cereus was the highest among conventional medicines. As shown by the extraordinary capabilities of WBP@CeO2 tiny particles, manipulating of flexible tiny particles to feed the purpose of achieving effective and customizable infections and dermatologist advancements is really stunning.
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Affiliation(s)
- M S Manojkumar
- Department of Biotechnology, Vivekanandha College of Engineering for Women (Autonomous), Elayampalayam, Namakkal, 637210, Tamil Nadu, India.
| | - B Sivaprakash
- Department of Chemical Engineering, Annamalai University, Chidambaram, Tamil Nadu, India
| | - Natarajan Arumugam
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
| | - Abdulrahman I Almansour
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Saudi Arabia
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Dai Z, Yang K, Yang T, Guo Y, Huang J. CO 2 Photoreduction over Semiconducting 2D Materials with Supported Single Atoms: Recent Progress and Challenges. Chemistry 2024; 30:e202400548. [PMID: 38536390 DOI: 10.1002/chem.202400548] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Indexed: 04/26/2024]
Abstract
In the face of the growing energy crisis and environmental challenges, substantial efforts are now directed toward sustainable clean energy as a replacement for traditional fossil fuels. CO2 photoreduction into value-added chemicals and fuels is widely recognized as a promising approach to mitigate current energy and environmental concerns. Photocatalysts comprising single atoms (SAs) supported on two-dimensional (2D) semiconducting materials (SAs-2DSemi) have emerged as a novel frontier due to the combined merits of SA catalysts and 2D materials. In this study, we review advancements in metal SAs confined on 2DSemi substrates, categorized into four groups: (1) metal oxide-based, (2) g-C3N4-based, (3) emerging, and (4) hybridized 2DSemi, for photocatalytic CO2 conversion over the past few years. With a particular focus on highlighting the distinct advantages of SAs-2DSemi, we delve into the synthesis of state-of-the-art catalysts, their catalytic performances, and mechanistic elucidation facilitated by experimental characterizations and theoretical calculations. Following this, we outline the challenges in this field and offer perspectives on harnessing the potential of SAs-2DSemi as promising photocatalysts. This comprehensive review aims to provide valuable insights for the future development of 2D photocatalytic materials involving SAs for CO2 reduction.
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Affiliation(s)
- Zhangben Dai
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044), China
| | - Kejun Yang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044), China
| | - Tianyi Yang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044), China
| | - Yalin Guo
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044), China
| | - Jianfeng Huang
- State Key Laboratory of Coal Mine Disaster Dynamics and Control, Institute of Advanced Interdisciplinary Studies, School of Chemistry and Chemical Engineering, Chongqing University, Chongqing, 400044), China
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An HR, Lim C, Min CG, Son B, Kim CY, Park JI, Kim JP, Jeong Y, Seo J, Lee M, Park J, Lee YS, Lee HU. Highly visible-light-active sulfur and carbon co-doped TiO 2 (SC-TiO 2) heterogeneous photocatalysts prepared by underwater discharge plasma. CHEMOSPHERE 2024; 355:141859. [PMID: 38561161 DOI: 10.1016/j.chemosphere.2024.141859] [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: 01/10/2024] [Revised: 03/21/2024] [Accepted: 03/28/2024] [Indexed: 04/04/2024]
Abstract
To promptly and simply create highly crystalline S/C co-doped TiO2 (SC-TiO2) photocatalysts at room temperature and atmospheric pressure, we suggest a novel plasma-assisted sol-gel synthesis method. This method is a simultaneous synthetic process, in which an underwater plasma undergoes continuous reactions to generate high-energy atomic and molecular species that enable TiO2 to achieve crystallinity, a large surface area, and a heterogeneous structure within a few minutes. In particular, it was demonstrated that the heterogeneously structured TiO2 was formed by doping that sulfur and carbon replace O or Ti atoms in the TiO2 lattice depending on the composition of the synthesis solution during underwater plasma treatment. The resultant SC-TiO2 photocatalysts had narrowed bandgap energies and extended optical absorption scope into the visible range by inducing the intermediate states within bandgap due to generation of oxygen vacancies on the surface of TiO2 through synthesis, crystallization, and doping. Correspondingly, SC-TiO2 showed a significant degradation efficiency ([k] = 6.91 h-1) of tetracycline (TC, antibiotics) under solar light irradiation, up to approximately 4 times higher compared to commercial TiO2 ([k] = 1.68 h-1), resulting in great water purification. Therefore, we anticipate that this underwater discharge plasma system will prove to be an advantageous technique for producing heterostructural TiO2 photocatalysts with superior photocatalytic efficiency for environmental applications.
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Affiliation(s)
- Ha-Rim An
- Division of Material Analysis and Research, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea
| | - Chaehun Lim
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Chung Gi Min
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon, 34134, Republic of Korea
| | - Byoungchul Son
- Division of Material Analysis and Research, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea
| | - Chang-Yeon Kim
- Division of Material Analysis and Research, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea
| | - Ji-In Park
- Division of Material Analysis and Research, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea
| | - Jong Pil Kim
- Busan Center, Korea Basic Science Institute, Busan, 46241, Republic of Korea
| | - Yesul Jeong
- Busan Center, Korea Basic Science Institute, Busan, 46241, Republic of Korea
| | - Jiwon Seo
- Division of Material Analysis and Research, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea
| | - Moonsang Lee
- Department of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of Korea
| | - Jihyang Park
- Department of Materials Science and Engineering, Inha University, Incheon, 22212, Republic of Korea
| | - Young-Seak Lee
- Department of Chemical Engineering and Applied Chemistry, Chungnam National University, Daejeon, 34134, Republic of Korea; Institute of Carbon Fusion Technology (InCFT), Chungnam National University, Daejeon, 34134, Republic of Korea.
| | - Hyun Uk Lee
- Division of Material Analysis and Research, Korea Basic Science Institute, Daejeon, 34133, Republic of Korea.
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Li W, Qi M, Zhou J, Sun Y, Sun J, Dong B, Wang L, Song S. Pathogen-Activated Macrophage Membrane Encapsulated CeO 2-TCPP Nanozyme with Targeted and Photo-Enhanced Antibacterial Therapy. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309664. [PMID: 38057126 DOI: 10.1002/smll.202309664] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Revised: 11/21/2023] [Indexed: 12/08/2023]
Abstract
Nanozymes with peroxidase-mimic activity have recently emerged as effective strategies for eliminating infections. However, challenges in enhancing catalytic activities and the ability to target bacteria have hindered the broader application of nanozymes in bacterial infections. Herein, a novel nanozyme based on mesoporous CeO2 nanosphere and meso-tetra(4-carboxyphenyl)porphine (TCPP) encapsulated within pathogen-activated macrophage membranes, demonstrates photodynamic capability coupled with photo-enhanced chemodynamic therapy for selective and efficient antibacterial application against infected wounds. Interestingly, the expression of Toll-like receptors accordingly upregulates when macrophages are co-cultured with specific bacteria, thereby facilitating to recognition of the pathogen-associated molecular patterns originating from bacteria. The CeO2 not only serve as carriers for TCPP, but also exhibit intrinsic peroxidase-like catalytic activity. Consequently, Staphylococcus aureus (S. aureus)-activated macrophage membrane-coated CeO2-TCPP (S-MM@CeO2-TCPP) generated singlet oxygen, and simultaneously promoted photo-enhanced chemodynamic therapy, significantly boosting reactive oxygen species (ROS) to effectively eliminate bacteria. S-MM@CeO2-TCPP specifically targeted S. aureus via Toll-like receptor, thereby directly disrupting bacterial structural integrity to eradicate S. aureus in vitro and relieve bacteria-induced inflammation to accelerate infected wound healing in vivo. By selectively targeting specific bacteria and effectively killing pathogens, such strategy provides a more efficient and reliable alternative for precise elimination of pathogens and inflammation alleviation in microorganism-infected wounds.
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Affiliation(s)
- Wen Li
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Manlin Qi
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Jing Zhou
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Yue Sun
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Jiao Sun
- Department of Cell Biology, Norman Bethune College of Medicine Jilin University, Changchun, 130021, P. R. China
| | - Biao Dong
- State Key Laboratory on Integrated Optoelectronics Collage of Electronic Science and Engineering, Jilin University, Changchun, 130021, P. R. China
| | - Lin Wang
- Department of Oral Implantology, School and Hospital of Stomatology, Jilin University, Changchun, 130021, P. R. China
| | - Shuyan Song
- State Key Laboratory of Rare Earth Resource Utilization Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun, 130022, P. R. China
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10
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Fauzia, Khan MA, Chaman M, Azam A. Antibacterial and sunlight-driven photocatalytic activity of graphene oxide conjugated CeO 2 nanoparticles. Sci Rep 2024; 14:6606. [PMID: 38503811 PMCID: PMC10951321 DOI: 10.1038/s41598-024-54905-0] [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: 10/10/2023] [Accepted: 02/18/2024] [Indexed: 03/21/2024] Open
Abstract
This work focuses on the structural, morphological, optical, photocatalytic, antibacterial properties of pure CeO2 nanoparticles (NPs) and graphene oxide (GO) based CeO2 nanocomposites (GO-1/CeO2, GO-5/CeO2, GO-10/CeO2, GO-15/CeO2), synthesized using the sol-gel auto-combustion and subsequent sonication method, respectively. The single-phase cubic structure of CeO2 NPs was confirmed by Rietveld refined XRD, HRTEM, FTIR and Raman spectroscopy. The average crystallite size was calculated using Debye Scherrer formula and found to increase from 20 to 25 nm for CeO2 to GO-15/CeO2 samples, respectively. The related functional groups were observed from Fourier transform infrared (FTIR) spectroscopy, consistent with the outcomes of Raman spectroscopy. The optical band gap of each sample was calculated by using a Tauc plot, which was observed to decrease from 2.8 to 1.68 eV. The valence state of Ce (Ce3+ and Ce4+) was verified using X-ray photoelectron spectroscopy (XPS) for CeO2 and GO-10/CeO2. The poisonous methylene blue (MB) dye was used to evaluate the photocatalytic activity of each sample in direct sunlight. The GO-15/CeO2 nanocomposite showed the highest photocatalytic activity with rate constant (0.01633 min-1), and it degraded the MB dye molecules by 100% within 120 min. The high photocatalytic activity of this material for degrading MB dye establishes it as an outstanding candidate for wastewater treatment. Further, these nanocomposites also demonstrated excellent antimicrobial activity against Pseudomonas aeruginosa PAO1.
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Affiliation(s)
- Fauzia
- Department of Applied Physics, Z.H. College of Engineering & Technology, Aligarh Muslim University, Aligarh, 202002, India
| | - Mo Ahamad Khan
- Department of Microbiology, Jawaharlal Nehru Medical College, Aligarh Muslim University, Aligarh, UP, 202002, India
| | - Mohd Chaman
- Mewat Engineering College, Nuh, Mewat, Haryana, 122107, India
| | - Ameer Azam
- Department of Applied Physics, Z.H. College of Engineering & Technology, Aligarh Muslim University, Aligarh, 202002, India.
- Department of Physics, Faculty of Science, Islamic University of Madinah, 42351, Madinah, Saudi Arabia.
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11
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Han HY, Kim BK, Rho J, Park SM, Choi MS, Kim S, Heo MB, Yang YS, Oh JH, Lee TG, Yoon S. Safety assessment and gastrointestinal retention of orally administered cerium oxide nanoparticles in rats. Sci Rep 2024; 14:5657. [PMID: 38454018 PMCID: PMC10920649 DOI: 10.1038/s41598-024-54659-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 02/15/2024] [Indexed: 03/09/2024] Open
Abstract
Cerium oxide nanoparticles (CeO2 NPs, NM-212) are well-known for their catalytic properties and antioxidant potential, and have many applications in various industries, drug delivery, and cosmetic formulations. CeO2 NPs exhibit strong antimicrobial activity and can be used to efficiently remove pathogens from different environments. However, knowledge of the toxicological evaluation of CeO2 NPs is too limited to support their safe use. In this study, CeO2 NPs were orally administered to Sprague Dawley rats for 13 weeks at the doses of 0, 10, 100, and 1000 mg/kg bw/day, followed by a four week recovery period. The hematology values for the absolute and relative reticulocyte counts in male rats treated with 1000 mg/kg bw/day CeO2 NPs were lower than those in control rats. The clinical chemistry values for sodium and chloride in the treated male rat groups (100 and 1000 mg/kg/day) and total protein and calcium in the treated female rat groups (100 mg/kg/day) were higher than those in the control groups. However, these changes were not consistent in both sexes, and no abnormalities were found in the corresponding pathological findings. The results showed no adverse effects on any of the parameters assessed. CeO2 NPs accumulated in the jejunum, colon, and stomach wall of rats administered 1000 mg/kg CeO2 NPs for 90 days. However, these changes were not abnormal in the corresponding histopathological and immunohistochemical examinations. Therefore, 1000 mg/kg bw/day may be considered the "no observed adverse effect level" of CeO2 NPs (NM-212) in male and female SD rats under the present experimental conditions.
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Affiliation(s)
- Hyoung-Yun Han
- Department of Predictive Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Republic of Korea.
- Department of Human and Environmental Toxicology, University of Science & Technology, Daejeon, 34113, Republic of Korea.
| | - Bo-Kyung Kim
- Jeonbuk Branch Institute, Korea Institute of Toxicology, 30 Baekhak1-gil, Jeongeup, Jeollabuk-do, 56212, Republic of Korea
| | - Jinhyung Rho
- Jeonbuk Branch Institute, Korea Institute of Toxicology, 30 Baekhak1-gil, Jeongeup, Jeollabuk-do, 56212, Republic of Korea
| | - Se-Myo Park
- Department of Predictive Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Republic of Korea
| | - Mi-Sun Choi
- Department of Predictive Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Republic of Korea
| | - Soojin Kim
- Department of Predictive Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Republic of Korea
| | - Min Beom Heo
- Nanosafety Metrology Center, Korea Research Institute of Standards and Science (KRISS), 267 Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea
| | - Young-Su Yang
- Jeonbuk Branch Institute, Korea Institute of Toxicology, 30 Baekhak1-gil, Jeongeup, Jeollabuk-do, 56212, Republic of Korea
| | - Jung-Hwa Oh
- Department of Predictive Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Republic of Korea
- Department of Human and Environmental Toxicology, University of Science & Technology, Daejeon, 34113, Republic of Korea
| | - Tae Geol Lee
- Nanosafety Metrology Center, Korea Research Institute of Standards and Science (KRISS), 267 Gajeong-ro, Yuseong-gu, Daejeon, 34113, Republic of Korea
| | - Seokjoo Yoon
- Department of Predictive Toxicology, Korea Institute of Toxicology, 141 Gajeong-ro, Yuseong-gu, Daejeon, 34114, Republic of Korea.
- Department of Human and Environmental Toxicology, University of Science & Technology, Daejeon, 34113, Republic of Korea.
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12
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Jiang Y, Fu H, Liang Z, Zhang Q, Du Y. Rare earth oxide based electrocatalysts: synthesis, properties and applications. Chem Soc Rev 2024; 53:714-763. [PMID: 38105711 DOI: 10.1039/d3cs00708a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2023]
Abstract
As an important strategic resource, rare earths (REs) constitute 17 elements in the periodic table, namely 15 lanthanides (Ln) (La-Lu, atomic numbers from 57 to 71), scandium (Sc, atomic number 21) and yttrium (Y, atomic number 39). In the field of catalysis, the localization and incomplete filling of 4f electrons endow REs with unique physical and chemical properties, including rich electronic energy level structures, variable coordination numbers, etc., making them have great potential in electrocatalysis. Among various RE catalytic materials, rare earth oxide (REO)-based electrocatalysts exhibit excellent performances in electrocatalytic reactions due to their simple preparation process and strong structural variability. At the same time, the electronic orbital structure of REs exhibits excellent electron transfer ability, which can reduce the band gap and energy barrier values of rate-determining steps, further accelerating the electron transfer in the electrocatalytic reaction process; however, there is a lack of systematic review of recent advances in REO-based electrocatalysis. This review systematically summarizes the synthesis, properties and applications of REO-based nanocatalysts and discusses their applications in electrocatalysis in detail. It includes the hydrogen evolution reaction (HER), oxygen evolution reaction (OER), hydrogen oxidation reaction (HOR), oxygen reduction reaction (ORR), carbon dioxide reduction reaction (CO2RR), methanol oxidation reaction (MOR), nitrogen reduction reaction (NRR) and other electrocatalytic reactions and further discusses the catalytic mechanism of REs in the above reactions. This review provides a timely and comprehensive summary of the current progress in the application of RE-based nanomaterials in electrocatalytic reactions and provides reasonable prospects for future electrocatalytic applications of REO-based materials.
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Affiliation(s)
- Yong Jiang
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
| | - Hao Fu
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
- College of Chemistry, Nankai University, Tianjin, 300071, China
| | - Zhong Liang
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
| | - Qian Zhang
- Department of Applied Chemistry, Xi'an University of Technology, Xi'an, 710048, China
| | - Yaping Du
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering & National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China.
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13
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Yu S, Liu C, Sui M, Wei H, Cheng H, Chen Y, Zhu Y, Wang H, Ma P, Wang L, Li T. Magnetic-acoustic actuated spinous microrobot for enhanced degradation of organic pollutants. ULTRASONICS SONOCHEMISTRY 2024; 102:106714. [PMID: 38113586 PMCID: PMC10772293 DOI: 10.1016/j.ultsonch.2023.106714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 11/20/2023] [Accepted: 12/01/2023] [Indexed: 12/21/2023]
Abstract
A growing interest in the development of efficient strategies for the removal of organic pollutants from polluted water is emerging. As such, artificial micro/nano machines performing excellent water purification tasks have recently attracted more research attention of scientists. Hereby a spinous Fe3O4@PPy microrobot is presented that towards an efficient organic pollutant removal by enhancing Fenton-like reaction. The microrobot is fabricated by wrapping polypyrrole (PPy) on a spiny magnetic template prepared from sunflowers pollen. Modulating the sound pressure and frequency of the ultrasonic field enables the Fe3O4@PPy microrobot to present multimode motion, such as violent eruption-like motion caused by local cavitation (ELM), march-like unific motion (MLM), and typhoon-like rotation toward the center gathered motion (TLM). This multimode motion achieves the sufficient locomotion of microrobots in three-dimensional space and effective contact with organic pollutants in polluted water. Furthermore, a 5.2-fold increase in the degradation rate of methylene blue has been realized using Fe3O4@PPy microrobots under low-concentration hydrogen peroxide conditions. Also, the magnetically controlled recovery of microrobots from water after the completion of the degradation task has been demonstrated. The magnetic-acoustic actuated spinous microrobot can be extrapolated to other catalytic microrobot, developing a new strategy for an easier implementation and recovery of microrobot in real applications of water purification.
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Affiliation(s)
- Shimin Yu
- College of Engineering, Ocean University of China, Qingdao 266100, China
| | - Chenlu Liu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
| | - Mingyang Sui
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
| | - Haiqiang Wei
- The Twelfth Oil Production Plant of Changqing Oilfield Company, Qingyang 745400, China
| | - Haoyuan Cheng
- College of Engineering, Ocean University of China, Qingdao 266100, China
| | - Yujing Chen
- College of Engineering, Ocean University of China, Qingdao 266100, China
| | - Yanhe Zhu
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
| | - Haocheng Wang
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China
| | - Penglei Ma
- College of Engineering, Ocean University of China, Qingdao 266100, China.
| | - Lin Wang
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China.
| | - Tianlong Li
- State Key Laboratory of Robotics and System, Harbin Institute of Technology, Harbin 150001, China; Chongqing Research Institute of HIT, Chongqing 401151, China.
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14
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Xie Z, Saad A, Shang Y, Wang Y, Luo S, Wei Z. Enhanced degradation of micropollutants by visible light photocatalysts with strong oxygen activation ability. WATER RESEARCH 2023; 247:120785. [PMID: 37931360 DOI: 10.1016/j.watres.2023.120785] [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: 06/25/2023] [Revised: 10/16/2023] [Accepted: 10/23/2023] [Indexed: 11/08/2023]
Abstract
Visible light photocatalysis is widely considered a sustainable approach to break down micropollutants without chemical addition. To promote the output of photogenerated carriers under visible light, a Z-scheme plasmonic photocatalyst Bi-CeO2/Ag0/BiO2 was designed and fabricated to activate dissolved oxygen in water for micropollutant degradation. The doped Bi not only improved the separation of electron-hole, but also narrowed the band gap of CeO2 to enhance its absorption of visible light. Notably, metallic silver (Ag0) works as an electronic transmission vehicle from Bi-CeO2 to BiO2 in a Z-scheme mechanism. Likewise, the surface plasmon resonance effect of Ag0 also enhanced the absorption of visible light. Furthermore, the Bi doping induced abundant surface oxygen vacancies on CeO2 for enhanced capability and selectivity towards O2 adsorption and activation, which favored the generation of O2•- by photogenerated electrons to degrade sulfamethoxazole, enrofloxacin, and bisphenol A. Theoretical calculation results also confirmed the O2•--driven degradation pathway for sulfamethoxazole. Therefore, the Z-scheme Bi-CeO2/Ag0/BiO2 not only extends the photocatalytic reactivity of CeO2-based catalysts to the visible light range, but also provides a chemical-free method to effectively degrade micropollutants.
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Affiliation(s)
- Zhiqun Xie
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Universitetsbyen 36, Aarhus C, 8000 Denmark
| | - Ali Saad
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Universitetsbyen 36, Aarhus C, 8000 Denmark
| | - Yanan Shang
- School of Safety and Environmental Engineering, Shandong University of Science and Technology, Qingdao 266590, China
| | - Yong Wang
- School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing 100083, China
| | - Shuang Luo
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Universitetsbyen 36, Aarhus C, 8000 Denmark; College of Environment and Ecology, Hunan Agricultural University, Changsha 410128, China.
| | - Zongsu Wei
- Centre for Water Technology (WATEC) & Department of Biological and Chemical Engineering, Aarhus University, Universitetsbyen 36, Aarhus C, 8000 Denmark.
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15
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Li Z, Bian J, Xu Z, Zhang X, He Y, Ye F, Tu W, Liu Y, Ni S, Gao D. Cascaded Antitumor Therapy Excited by Dual Nanozymes Based on Energy Restriction and Photocatalysis. ACS APPLIED MATERIALS & INTERFACES 2023. [PMID: 38016813 DOI: 10.1021/acsami.3c14804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
In nanocatalytic medicine, drugs can be transformed into toxic components through highly selective and highly specific catalytic reactions in the tumor microenvironment, avoiding toxic side effects on normal tissues. Due to the coexistence of Ce3+ and Ce4+, CeO2 is endowed with dual nanozyme activities. Herein, CeO2 nanoparticles served as templates to construct a biomimetic nanodrug delivery system (C/CeO2@M) by electrostatic adsorption of carbon quantum dots (CQDs) and coating a homologous tumor cytomembrane. After homologous targeting to tumors, the CQDs emitted 350-600 nm light under 660 nm laser irradiation by upconversion luminescence, which caused a CeO2-mediated photocatalytic reaction to generate reactive oxygen species. The catalase-like activity of CeO2-enabled converting excess H2O2 to O2, which not only alleviated tumor hypoxia and promoted intratumor drug delivery but also provided substrates for subsequent catalytic reactions. Meanwhile, the phosphatase activity of CeO2 could consume adenosine triphosphate (ATP) to block the energy supply for tumor cells, thus limiting cell proliferation and metastasis. The strategy of energy restriction and photocatalysis of dual nanozyme stimulation offers great potentials in enhancing drug penetration and eradicating solid tumors.
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Affiliation(s)
- Zhuo Li
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
| | - Jiaxin Bian
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
| | - Zichuang Xu
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
| | - Xuwu Zhang
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
| | - Yuchu He
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
| | - Fei Ye
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
| | - Wenkang Tu
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
| | - Yunhe Liu
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Song Ni
- National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Dawei Gao
- State Key Laboratory of Metastable Materials Science and Technology, Nano-Biotechnology Key Lab of Hebei Province, Applying Chemistry Key Lab of Hebei Province, Yanshan University, Qinhuangdao 066004, P. R. China
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16
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Yang H, Jia L, Zhang Q, Yuan S, Ohno T, Xu B. Efficient Exciton Dissociation on Ceria Chelated Cerium-Based MOF Isogenous S-Scheme Photocatalyst for Acetaldehyde Purification. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2023:e2308743. [PMID: 37948424 DOI: 10.1002/smll.202308743] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2023] [Revised: 10/27/2023] [Indexed: 11/12/2023]
Abstract
Long-term exposure to low concentration indoor VOCs of acetaldehyde (CH3 CHO) is harmful to human health. Thus, a novel isogenous heterojunction CeO2 /Ce-MOF photocatalyst is synthesized via a one-step hydrothermal method for the effective elimination of CH3 CHO in this work. This CeO2 /Ce-MOF photocatalyst performs well in CH3 CHO removal and achieves an apparent quantum efficiency of 7.15% at 420 nm, which presents ≈6.7 and 3.4 times superior to those generated by CeO2 and Ce-MOF, respectively. The enhanced efficiency is due to two main aspects including i) an effective photocarrier separation ability and the prolonged reaction lifetime of excitons play crucial roles and ii) the formation of an internal electric field (IEF) is sufficient to overcome the considerable exciton binding energy, and increases the exciton dissociation efficiency by up to 50.4%. Moreover, the reasonable pathways and mechanisms of CH3 CHO degradation are determined by in situ DRIFTS analysis and simulated DFT calculations. Those results demonstrated that S-scheme heterojunction successfully increases the efficiency of harmful volatile organic compounds elimination, and it offers essential guidance for designing rare earth-based MOF photocatalysts.
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Affiliation(s)
- Hui Yang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou, 225127, China
| | - Lu Jia
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
| | - Qitao Zhang
- International Collaborative Laboratory of 2D Materials for Optoelectronics Science and Technology of Ministry of Education, Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, 518060, China
| | - Saisai Yuan
- School of Environmental and Chemical Engineering, Jiangsu University of Science and Technology, Zhenjiang, 212000, China
| | - Teruhisa Ohno
- Department of Applied Chemistry, Faculty of Engineering, Kyushu Institute of Technology, Kitakyushu, 804-8550, Japan
| | - Bin Xu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, 225002, China
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17
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Zhang Y, Li K, Zang M, Cheng Y, Qi H. Graphene-based photocatalysts for degradation of organic pollution. CHEMOSPHERE 2023; 341:140038. [PMID: 37660797 DOI: 10.1016/j.chemosphere.2023.140038] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 08/30/2023] [Accepted: 08/31/2023] [Indexed: 09/05/2023]
Abstract
Compared with the traditional wastewater treatment technology, semiconductor photocatalysis is a rapidly emerging environment-friendly and efficient Advanced Oxidation Process for degradation of refractory organic contaminants. Single-component semiconductor photocatalysts exhibit poor photocatalytic performance and cannot meet the requirements of wastewater treatment. The combination of semiconductor photocatalysts and Graphene can effectively improve the photocatalytic activity and stability of semiconductor photocatalysts. This review focuses on the synergistic effect of several types of semiconductors with Graphene for photocatalytic degradation of organic pollutants. After a brief introduction of the photodegradation mechanism of semiconductor materials and the basic description of Graphene, the synthesis, characterization and degradation performance of various Graphene-based semiconductor photocatalysts are emphatically introduced.
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Affiliation(s)
- Yuxi Zhang
- School of Science, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Kuangjun Li
- School of Science, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Meng Zang
- School of Science, China University of Geosciences (Beijing), Beijing, 100083, PR China
| | - Yuanyuan Cheng
- School of Science, China University of Geosciences (Beijing), Beijing, 100083, PR China.
| | - Hongbin Qi
- School of Science, China University of Geosciences (Beijing), Beijing, 100083, PR China.
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18
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Melinte V, Culica ME, Chibac-Scutaru AL. Cellulose acetate/polyurethane blend as support matrix with high optical transparency and improved mechanical properties for photocatalyst CeO 2 nanoparticles immobilization. Int J Biol Macromol 2023; 251:126210. [PMID: 37579894 DOI: 10.1016/j.ijbiomac.2023.126210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 07/03/2023] [Accepted: 08/05/2023] [Indexed: 08/16/2023]
Abstract
Advanced manufacturing technologies for efficient catalytic materials have triggered the rational design of catalysts as well as extensive investigation into preparative methodologies. Herein, we report the preparation of new versatile cellulose acetate/polyurethane (CA/PU) blends for efficient immobilization of CeO2 nanoparticles, the appropriate composition of polymer mixture being chosen after rigorous analysis (SEM, FTIR, optical, mechanical). The band gap energy for hybrid films ranged between 3.02 eV and 2.05 eV, the lowest value being measured for the film with Co-doped CeO2 NPs (B3 film). The best results in photodegradation of methylene blue under visible-light irradiation was attained after 50 min for B3 film (rate constant k = 45.34× 10-3 min-1), while the total mineralization of MB in the same conditions as evaluated by HPLC-ESI MS and TOC analyses was achieved after 90 min. Effect of co-ions (SO42-, Cl- or NO3-) on photocatalytic performance was studied, and scavenger tests were used to identify the active species involved in the photocatalytic mechanism. Also, the photocatalytic efficiency of B3 sample was tested for rhodamine B, metronidazole and 4-nitrophenol degradation. Evaluation of the stability and integrity of hybrid film after 5 catalysis cycles reveal that the photocatalytic potential is retained with no substantial structural changes.
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Affiliation(s)
- Violeta Melinte
- Polyaddition and Photochemistry Department, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487, Iasi, Romania.
| | - Madalina Elena Culica
- Polyaddition and Photochemistry Department, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487, Iasi, Romania
| | - Andreea Laura Chibac-Scutaru
- Polyaddition and Photochemistry Department, Petru Poni Institute of Macromolecular Chemistry, 41 A Grigore Ghica Voda Alley, 700487, Iasi, Romania.
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19
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Sun F, Song J, Wen H, Cao X, Zhao F, Qin J, Mao W, Tang X, Dong L, Long Y. Ce 4+/Ce 3+ Redox Effect-Promoted CdS/CeO 2 Heterojunction Photocatalyst for the Atom Economic Synthesis of Imines under Visible Light. Inorg Chem 2023; 62:17961-17971. [PMID: 37857562 DOI: 10.1021/acs.inorgchem.3c02907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
The employment of stoichiometric alcohols and amines for imine synthesis under mild and green reaction conditions is still a challenge in the field. In this work, based on our research foundation in the thermocatalytic synthesis of imines over ceria, a CdS/CeO2 heterojunction photocatalyst was constructed and successfully realized the atom-economic synthesis of imines under visible light without additives at room temperature. Mechanistic experiments and corresponding characterizations indicated that the CdS/CeO2 heterojunction can improve the separation efficiency of photogenerated carriers, which can be further enhanced by the Ce4+/Ce3+ redox pair by rapidly combining photogenerated e-. The in situ-reduced Ce3+ can better activate O2 to form Ce-O-O·, which, together with h+, efficiently accelerates alcohol oxidation, which is the rate-determined step for the synthesis of imines via oxidative coupling reaction of alcohol and amine. In addition, our photocatalyst exhibited fairly decent reusability and substrate universality. This work solves problems of using base additives and excess amine or alcohol in the reported photocatalytic systems and provides new insight for designing CeO2-based photocatalytic oxidation catalysts.
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Affiliation(s)
- Fangkun Sun
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Jie Song
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - He Wen
- Lanzhou Petrochemical Research Center, Petrochemical Research Institute, PetroChina, Lanzhou 730060, P. R. China
| | - Xiao Cao
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Feng Zhao
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Jiaheng Qin
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Weiwen Mao
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Xiaoqi Tang
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Linkun Dong
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
| | - Yu Long
- State Key Laboratory of Applied Organic Chemistry (SKLAOC), Gansu Provincial Engineering Laboratory for Chemical Catalysis, College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou 730000, P. R. China
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20
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Singh K, Lohchab RK, Aguedal H, Goel G, Kataria N. Optimizing leachate treatment with titanium oxide-impregnated activated carbon (TiO 2@ASC) in a fixed-bed column: characterization, modeling, and prediction study. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:88450-88462. [PMID: 37436617 DOI: 10.1007/s11356-023-28647-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2023] [Accepted: 07/02/2023] [Indexed: 07/13/2023]
Abstract
This research focused on the application of a fixed bed column filled with immobilized titanium oxide-loaded almond shell carbon (TiO2@ASC) for the treatment of leachate. The adsorption performance of synthesized TiO2@ASC in fixed bed column is analyzed using adsorption experiments and modeling study. The characteristics of synthesized materials are determined by several instrumental techniques like BET, XRD, FTIR, and FESEM-EDX. The flow rate, initial concentration of COD and NH3-N, and bed height were optimized to determine the effectiveness of leachate treatment. The linear bed depth service time (BDST) plots equations with a correlation coefficient of greater than 0.98 confirmed the model's accuracy for COD and NH3-N adsorption in column structure. The adsorption process was found to be well predicted by an artificial neural network (ANN) model with a root mean square error of 0.0172 and 0.0167 for COD and NH3-N reduction, respectively. The immobilized adsorbent was regenerated using HCl and was found to be reusable for up to three cycles, promoting material sustainability. This study is aimed to contribute towards SDG 6 and SDG11 by United Nations Sustainable Development Goals.
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Affiliation(s)
- Kulbir Singh
- Department of Civil Engineering, MM Engineering College, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, Haryana, India, 133207
- Department of Environmental Science & Engineering, Guru Jambheshwar University of Science and Technology, Hisar, 25001, Haryana, India
| | - Rajesh Kumar Lohchab
- Department of Environmental Science & Engineering, Guru Jambheshwar University of Science and Technology, Hisar, 25001, Haryana, India.
| | - Hakim Aguedal
- Laboratory of Saharan Natural Resources, Faculty of Sciences and Technology, University of Ahmed Draia Adrar, Adrar, Algeria
- Higher School of Saharan Agriculture, Adrar, Algeria
| | - Gaurav Goel
- School of Energy and Environment, Thapar Institute of Engineering and Technology, Patiala, 147004, India
- School of Aerospace, Transport and Manufacturing, Cranfield University, Cranfield, MK430AL, UK
| | - Navish Kataria
- Department of Environmental Sciences, J. C. Bose University of Science and Technology, YMCA, Faridabad, 121006, Haryana, India
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21
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Alsolami ES, Mkhalid IA, Shawky A, Hussein MA. AgVO3-anchored 2D CeO2 nanocrystals prepared by solution process for visible-light-driven photooxidation of ciprofloxacin antibiotic in water. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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22
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Manikandan V, Anushkkaran P, Hwang IS, Song MS, Kumar M, Chae WS, Lee HH, Ryu J, Mahadik MA, Jang JS. Influence of CoO x surface passivation and Sn/Zr-co-doping on the photocatalytic activity of Fe 2O 3 nanorod photocatalysts for bacterial inactivation and photo-Fenton degradation. CHEMOSPHERE 2023:139255. [PMID: 37356589 DOI: 10.1016/j.chemosphere.2023.139255] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 06/13/2023] [Accepted: 06/16/2023] [Indexed: 06/27/2023]
Abstract
Hydrothermal and wet impregnation methods are presented in this study for synthesizing CoOx(1 wt%)/Sn-Zr codoped-Fe2O3 nanorod photocatalysts for the degradation of organic pollutants and deactivation of bacteria. A hydrothermal route was used to synthesize self-assembled rod-like hierarchical structures of Sn(0-6%) doped Zr-Fe2O3 NRs. Additionally, a wet impregnation method was used to load CoOx onto the surface of photocatalysts (Sn(0-6%)-doped Zr-Fe2O3 NRs). A series of 1 wt% CoOx modified Sn(0-6%)-doped Zr-Fe2O3 NRs were synthesized, characterized, and utilized for the photocatalytic decomposition of organic contaminants, along with the killing of E. coli and S. aureus. In comparison with 0, 2, and 6% Sn co-doped Zr-Fe2O3 NRs, the CoOx(1 wt%)/4%Sn/Zr-Fe2O3 NRs photocatalyst exhibited an E. coli and S. aureus inactivation efficiencies (90 and 98%). A bio-TEM study of treated and untreated bacterial cells revealed that the CoOx(1 wt%)/4%Sn/Zr-Fe2O3 NRs photocatalyst led to considerable changes in the bacterial cell membranes' morphology. The optimal CoOx(1 wt%)/Sn(4%) co-doped Zr-Fe2O3 NRs photocatalyst achieved degradation efficiencies of 98.5% and 94.6% for BPA and orange II dye. As a result, this work will provide a facile and effective method for developing visible light-active photocatalysts for bacterial inactivation and organic pollutants degradation.
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Affiliation(s)
- Velu Manikandan
- Division of Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea
| | - Periyasamy Anushkkaran
- Department of Integrative Environmental Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea
| | - In Seon Hwang
- Division of Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea
| | - Min Seok Song
- Division of Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea
| | - Manish Kumar
- Pohang Accelerator Laboratory (PAL), Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Weon-Sik Chae
- Daegu Center, Korea Basic Science Institute, Daegu, 41566, Republic of Korea
| | - Hyun-Hwi Lee
- Pohang Accelerator Laboratory (PAL), Pohang University of Science and Technology (POSTECH), Pohang, 37673, Republic of Korea
| | - Jungho Ryu
- Mineral Resources Division, Korea Institute of Geoscience and Mineral Resources, Gwahak-ro 124, Yuseong-gu, Daejeon, 34132, South Korea.
| | - Mahadeo A Mahadik
- Division of Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea.
| | - Jum Suk Jang
- Division of Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea; Department of Integrative Environmental Biotechnology, College of Environmental and Bioresource Sciences, Jeonbuk National University, Iksan, 54596, Republic of Korea.
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23
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Yerli Soylu N, Soylu A, Dikmetas DN, Karbancioglu-Guler F, Kucukbayrak S, Erol Taygun M. Photocatalytic and Antimicrobial Properties of Electrospun TiO 2-SiO 2-Al 2O 3-ZrO 2-CaO-CeO 2 Ceramic Membranes. ACS OMEGA 2023; 8:10836-10850. [PMID: 37008115 PMCID: PMC10061526 DOI: 10.1021/acsomega.2c06986] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Accepted: 03/07/2023] [Indexed: 06/12/2023]
Abstract
In this study, TiO2-based ceramic nanofiber membranes in the system of TiO2-SiO2-Al2O3-ZrO2-CaO-CeO2 were synthesized by combining sol-gel and electrospinning processes. In order to investigate the thermal treatment temperature effect, the obtained nanofiber membranes were calcined at different temperatures ranging from 550 to 850 °C. Different characterization methods such as X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier transform infrared (FT-IR), and high-resolution transmission electron microscopy (HR-TEM) were conducted on the obtained membranes to investigate the structural and morphological properties of the nanofibers. The Brunauer-Emmett-Teller surface area of the nanofiber membranes was very high (46.6-149.2 m2/g) and decreased with increasing calcination temperature as expected. Photocatalytic activity investigations were determined using methylene blue (MB) as a model dye under UV and sunlight irradiation. High degradation performances were achieved with the calcination temperatures of 650 and 750 °C because of the high specific surface area and the anatase structure of the nanofiber membranes. Moreover, the ceramic membranes showed antibacterial activity against Escherichia coli as a Gram-negative bacterium and Staphylococcus aureus as a Gram-positive bacterium. The superior properties of the novel TiO2-based multi-oxide nanofiber membranes proved as a promising candidate for various industries, especially the removal of textile dyes from wastewater.
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Affiliation(s)
- Nuray Yerli Soylu
- Faculty
of Chemical and Metallurgical Engineering, Department of Chemical
Engineering, Istanbul Technical University, Maslak, Istanbul 34449, Turkey
- Faculty
of Engineering, Department of Chemical Engineering, Marmara University, Maltepe, Istanbul 34854, Turkey
| | - Anıl Soylu
- Faculty
of Mines, Department of Mining Engineering, Istanbul Technical University, Maslak, Istanbul 34449, Turkey
| | - Dilara Nur Dikmetas
- Faculty
of Chemical and Metallurgical Engineering, Department of Food Engineering, Istanbul Technical University, Maslak, Istanbul 34449, Turkey
| | - Funda Karbancioglu-Guler
- Faculty
of Chemical and Metallurgical Engineering, Department of Food Engineering, Istanbul Technical University, Maslak, Istanbul 34449, Turkey
| | - Sadriye Kucukbayrak
- Faculty
of Chemical and Metallurgical Engineering, Department of Chemical
Engineering, Istanbul Technical University, Maslak, Istanbul 34449, Turkey
| | - Melek Erol Taygun
- Faculty
of Chemical and Metallurgical Engineering, Department of Chemical
Engineering, Istanbul Technical University, Maslak, Istanbul 34449, Turkey
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24
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Sharma Y, Ahmed Khan M, Chellapandi T, Tejas Sukumar M, Madhumitha G, Rahman Khan MM, Danish M, Velu S, Roopan SM. Efficient synthesis of 3D/2D CeO 2/MoS 2 nanocomposites with enhanced photocatalytic activity to degrade organic dye in wastewater and statistical optimization of reaction parameters. INORG NANO-MET CHEM 2023. [DOI: 10.1080/24701556.2023.2188455] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/14/2023]
Affiliation(s)
- Yogesh Sharma
- School of Chemical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Mohammad Ahmed Khan
- School of Chemical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Thangapandi Chellapandi
- Chemistry of Heterocycles & Natural Research Laboratory, Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamilnadu, India
| | - Magdum Tejas Sukumar
- School of Chemical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Gunabalan Madhumitha
- Chemistry of Heterocycles & Natural Research Laboratory, Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamilnadu, India
| | - Md. Maksudur Rahman Khan
- Department of Chemical Engineering, College of Engineering, University Malaysia Pahang, Pahang, Malaysia
| | - Mohammed Danish
- School of Industrial Technology, Universi Sains Malaysia, Penang, Malaysia
| | - Sagadevan Velu
- School of Chemical Engineering, Vellore Institute of Technology, Vellore, Tamil Nadu, India
| | - Selvaraj Mohana Roopan
- Chemistry of Heterocycles & Natural Research Laboratory, Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology, Vellore, Tamilnadu, India
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25
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Mureseanu M, Cioatera N, Carja G. Fe-Ce/Layered Double Hydroxide Heterostructures and Their Derived Oxides: Electrochemical Characterization and Light-Driven Catalysis for the Degradation of Phenol from Water. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:981. [PMID: 36985874 PMCID: PMC10051958 DOI: 10.3390/nano13060981] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 06/18/2023]
Abstract
Fe-Ce/layered double hydroxides (LDHs) were synthesized via a facile route by exploiting the "structural memory" of the LDH when the calcined MgAlLDH and ZnAlLDH were reconstructed in the aqueous solutions of FeSO4/Ce(SO4)2. XRD analysis shows the formation of heterostructured catalysts that entangle the structural characteristics of the LDHs with those of Fe2O3 and CeO2. Furthermore, X-ray photoelectron spectroscopy (XPS), Raman spectroscopy, TG/DTG, SEM/EDX and TEM results reveal a complex morphology defined by the large nano/microplates of the reconstructed LDHs that are tightly covered with nanoparticles of Fe2O3 and CeO2. Calcination at 850 °C promoted the formation of highly crystallized mixed oxides of Fe2O3/CeO2/ZnO and spinels. The photo-electrochemical behavior of Fe-Ce/LDHs and their derived oxides was studied in a three-electrode photo-electrochemical cell, using linear sweep voltammetry (LSV), Mott-Schottky (M-S) analysis and photo-electrochemical impedance spectroscopy (PEIS) measurements, in dark or under illumination. When tested as novel catalysts for the degradation of phenol from aqueous solutions, the light-driven catalytic heterojunctions of Fe-Ce/LDH and their derived oxides reveal their capabilities to efficiently remove phenol from water, under both UV and solar irradiation.
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Affiliation(s)
- Mihaela Mureseanu
- Department of Chemistry, Faculty of Sciences, University of Craiova, Calea Bucuresti, 107I, 200478 Craiova, Romania;
| | - Nicoleta Cioatera
- Department of Chemistry, Faculty of Sciences, University of Craiova, Calea Bucuresti, 107I, 200478 Craiova, Romania;
| | - Gabriela Carja
- Faculty of Chemical Engineering and Environmental Protection, Technical University of Iasi, 71 D. Mangeron, 700050 Iasi, Romania
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26
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Murugesan S, Sasibabu V, Jegadeesan GB, Venkatachalam P. Photocatalytic degradation of Reactive Black dye using ZnO-CeO 2 nanocomposites. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:42713-42727. [PMID: 35978239 DOI: 10.1007/s11356-022-22560-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
This study presents the photocatalytic efficiency of ZnO-CeO2 nanocomposites for the degradation of a model Reactive Black (RB) dye. Nano-CeO2 was synthesized using cerium nitrate precursor solution via chemical precipitation. Synthesized nano-CeO2 was mixed with ZnO nanoparticles in different mass ratios to obtain ZnO-CeO2 heterojunction photocatalyst. The morphology of the nanocomposites was examined using transmission electron microscope (TEM). X-ray diffraction patterns of the CeO2 corresponded well with (1 1 1) plane of cubic-phase CeO2. The band gap of the ZnO-CeO2 nanocatalyst synthesized was determined to be 3.08 eV, which was lower than that of the pristine CeO2 and ZnO powders, respectively. The results indicate that 1:1 wt. ratio ZnO-CeO2 nanocomposite provides about 85% RB degradation within 90 min under UV light under alkaline pH conditions. Degradation rate of RB dye achieved with ZnO-CeO2 nanocomposite was almost 1.5 times greater than that obtained with pristine ZnO. Increasing CeO2 ratio beyond 1:1 wt. ratio did not significantly increase RB degradation. The results demonstrate that addition of CeO2 to ZnO results in lowering its band gap energy and aids charge carrier separation resulting in enhanced oxidation of RB dye under UV light.
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Affiliation(s)
- Saravanan Murugesan
- Bioprocess Intensification Laboratory, Center for Bioenergy, School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, 613401, India
| | - Vigneshwar Sasibabu
- School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, 613401, India
| | - Gautham B Jegadeesan
- School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, 613401, India
| | - Ponnusami Venkatachalam
- Bioprocess Intensification Laboratory, Center for Bioenergy, School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur, 613401, India.
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27
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Alanazi HM, AlHaddad M, Shawky A, Mohamed RM. Platinum oxide-supported sol-gel prepared CeO2 nanocubes for promoted photodestruction of atrazine under visible light irradiation. CATAL COMMUN 2023. [DOI: 10.1016/j.catcom.2023.106646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023] Open
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28
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Sahu AK, Zhao XS, Upadhyayula S. Ceria-based photocatalysts in water-splitting for hydrogen production and carbon dioxide reduction. CATALYSIS REVIEWS 2023. [DOI: 10.1080/01614940.2023.2166227] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Affiliation(s)
- Aloka Kumar Sahu
- The University of Queensland−IIT Delhi Academy of Research (UQIDAR), Hauz Khas, New Delhi, India
- Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India
- School of Chemical Engineering, The University of Queensland, St Lucia, Brisbane, Australia
| | - Xiu Song Zhao
- School of Chemical Engineering, The University of Queensland, St Lucia, Brisbane, Australia
| | - Sreedevi Upadhyayula
- Department of Chemical Engineering, Indian Institute of Technology Delhi, Hauz Khas, New Delhi, India
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29
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Feng H, Zhang C, Luo M, Hu Y, Dong Z, Xue S, Chu PK. Photo Energy-Enhanced Oxygen Reduction and Evolution Kinetics in Zn-Air Batteries. ACS APPLIED MATERIALS & INTERFACES 2023; 15:6788-6796. [PMID: 36701643 DOI: 10.1021/acsami.2c19598] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/17/2023]
Abstract
Harvesting solar energy directly to boost the sluggish kinetics of oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) on an air cathode is a promising approach. Herein, we synthesize a step-scheme (S-scheme) titanium dioxide-indium selenide (TiO2-In2Se3) heterojunction catalyst. The onset potential in ORR under light illumination reaches 1.28 V and the onset potential decreases to 0.48 V in OER. When an S-scheme TiO2-In2Se3 heterojunction is exposed to light, photogenerated electrons at the conduction band (CB) of TiO2 migrate to the valence band (VB) of In2Se3 due to the built-in electric field. The photogenerated electrons with strong reduction capability on the CB of In2Se3 and the holes with strong oxidation capability on the VB of TiO2 boost the cathode reaction kinetics (ORR/OER). The excellent outcome reveals tremendous commercial potential of photo-enhanced Zn-air batteries.
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Affiliation(s)
- Hange Feng
- College of Information Science and Technology, Donghua University, Shanghai 201620, P.R. China
- College of Science, Donghua University, Shanghai 201620, P.R. China
| | - Chaomin Zhang
- School of Mathematics, Physics and Statistics, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Menghao Luo
- College of Science, Donghua University, Shanghai 201620, P.R. China
| | - Yuechuan Hu
- College of Science, Donghua University, Shanghai 201620, P.R. China
| | - Zibo Dong
- College of Science, Donghua University, Shanghai 201620, P.R. China
| | - Shaolin Xue
- College of Science, Donghua University, Shanghai 201620, P.R. China
- Shanghai Institute of Intelligent Electronics and Systems, Donghua University, Shanghai 201620, China
| | - Paul K Chu
- Department of Physics, Department of Materials Science and Engineering, and Department of Biomedical Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon 999077 Hong Kong, China
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30
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Elmas F, Kırkgeçit R, Torun HÖ, Öztürk E. Investigation of Photochemical Properties of CeO2:0.1Nd and CeO2:0.05Nd0.05M(M: Dy, Sm, Tb). J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/10/2023]
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31
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Qamar MT, Iqbal S, Aslam M, Alhujaily A, Bilal A, Rizwan K, Farooq HMU, Sheikh TA, Bahadur A, Awwad NS, Ibrahium HA, Almufarij RS, Elkaeed EB. Transition metal doped CeO 2 for photocatalytic removal of 2-chlorophenol in the exposure of indoor white light and antifungal activity. Front Chem 2023; 11:1126171. [PMID: 37201130 PMCID: PMC10186159 DOI: 10.3389/fchem.2023.1126171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Accepted: 03/08/2023] [Indexed: 05/20/2023] Open
Abstract
Besides natural sunlight and expensive artificial lights, economical indoor white light can play a significant role in activating a catalyst for photocatalytic removal of organic toxins from contaminated water. In the current effort, CeO2 has been modified with Ni, Cu, and Fe through doping methodology to study the removal of 2-chlorophenol (2-CP) in the illumination of 70 W indoor LED white light. The absence of additional diffractions due to the dopants and few changes such as reduction in peaks' height, minor peak shift at 2θ (28.525°) and peaks' broadening in XRD patterns of modified CeO2 verifies the successful doping of CeO2. The solid-state absorption spectra revealed higher absorbance of Cu-doped CeO2 whereas a lower absorption response was observed for Ni-doped CeO2. An interesting observation regarding the lowering of indirect bandgap energy of Fe-doped CeO2 (∼2.7 eV) and an increase in Ni-doped CeO2 (∼3.0 eV) in comparison to pristine CeO2 (∼2.9 eV) was noticed. The process of e -- h + recombination in the synthesized photocatalysts was also investigated through photoluminescence spectroscopy. The photocatalytic studies revealed the greater photocatalytic activity of Fe-doped CeO2 with a higher rate (∼3.9 × 10-3 min-1) among all other materials. Moreover, kinetic studies also revealed the validation of the Langmuir-Hinshelwood kinetic model (R2 = 0.9839) while removing 2-CP in the exposure of indoor light with a Fe-doped CeO2 photocatalyst. The XPS analysis revealed the existence of Fe3+, Cu2+ and Ni2+ core levels in doped CeO2. Using the agar well-diffusion method, the antifungal activity was assessed against the fungus M. fructicola and F. oxysporum. Compared to CeO2, Ni-doped CeO2, and Cu-doped CeO2 nanoparticles, the Fe-doped CeO2 nanoparticles have outstanding antifungal properties.
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Affiliation(s)
- M. Tariq Qamar
- Department of Chemistry, Forman Christian College (A Chartered University), Lahore, Pakistan
| | - Shahid Iqbal
- Department of Chemistry, School of Natural Sciences (SNS), National University of Science and Technology (NUST), Islamabad, Pakistan
- *Correspondence: Shahid Iqbal, ; Ali Bahadur, ; Eslam B. Elkaeed,
| | - M. Aslam
- Centre of Excellence in Environmental Studies (CEES), King Abdulaziz University, Jeddah, Saudi Arabia
| | - Ahmad Alhujaily
- Biology Department, College of Science, Taibah University, Al Madinah Al Munawarah, Saudi Arabia
| | - Anum Bilal
- Department of Chemistry, School of Natural Sciences (SNS), National University of Science and Technology (NUST), Islamabad, Pakistan
| | - Komal Rizwan
- Department of Chemistry, University of Sahiwal, Sahiwal, Pakistan
| | | | - Tahir Ali Sheikh
- Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Ali Bahadur
- Department of Chemistry, College of Science and Technology, Wenzhou-Kean University, Wenzhou, China
- *Correspondence: Shahid Iqbal, ; Ali Bahadur, ; Eslam B. Elkaeed,
| | - Nasser S. Awwad
- Chemistry Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
| | - Hala A. Ibrahium
- Biology Department, Faculty of Science, King Khalid University, Abha, Saudi Arabia
- Department of Semi Pilot Plant, Nuclear Materials Authority, El Maadi, Egypt
| | - Rasmiah S. Almufarij
- Department of Chemistry, College of Science, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Eslam B. Elkaeed
- Department of Pharmaceutical Sciences, College of Pharmacy, AlMaarefa University, Riyadh, Saudi Arabia
- *Correspondence: Shahid Iqbal, ; Ali Bahadur, ; Eslam B. Elkaeed,
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32
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Liu S, Fang L, Ding H, Zhang Y, Li W, Liu B, Dong S, Tian B, Feng L, Yang P. Alternative Strategy to Optimize Cerium Oxide for Enhanced X-ray-Induced Photodynamic Therapy. ACS NANO 2022; 16:20805-20819. [PMID: 36378717 DOI: 10.1021/acsnano.2c08047] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The emergence of X-ray-induced photodynamic therapy (X-PDT) holds tremendous promise for clinical deep-penetrating cancer therapy. However, the clinical application of X-PDT in cancer treatment is still limited due to the hypoxic property of cancerous tissue, the inherent antioxidant system of tumor cells, and the difficulty in matching the absorption spectra of photosensitizers. Herein, a versatile core-shell radiosensitizer (SCNPs@DMSN@CeOx-PEG, denoted as SSCP) was elaborately designed and constructed to enhance X-PDT by coating tunable mesoporous silica on nanoscintillators, followed by embedding the cerium oxide nanoparticles in situ. The obtained SSCP radiosensitizer demonstrated a distinct blue-shift in the ultraviolet light region, so that it could perfectly absorb the ultraviolet light converted by the SCNPs core, resulting in the formation of photoinduced electron-hole (e--h+) pairs separation to generate reactive oxygen species (ROS). In addition, the cerium oxide exhibits high glutathione consumption to heighten ROS accumulation, and catalase-like activity to alleviate the hypoxia, which further enhances the efficiency of radiotherapy. Benefiting from the abundant Lu and Ce elements, the computed tomography imaging performance of SSCP is about 3.79-fold that of the clinical contrast agent (iohexol), which has great potential in both preclinical imaging and clinical translation.
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Affiliation(s)
- Shikai Liu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Linyang Fang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - He Ding
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Yangyang Zhang
- Key Laboratory of Hepatosplenic Surgery, Ministry of Education, the First Affiliated Hospital of Harbin Medical University, Harbin 150001, People's Republic of China
| | - Wenting Li
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Bin Liu
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Shuming Dong
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Boshi Tian
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Lili Feng
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
| | - Piaoping Yang
- Key Laboratory of Superlight Materials and Surface Technology, Ministry of Education, Harbin Engineering University, Harbin 150001, People's Republic of China
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33
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Madaan V, Mohan B, Bhankar V, Ranga R, Kumari P, Singh P, Sillanpää M, Kumar A, Solovev AA, Kumar K. Metal-Decorated CeO2 nanomaterials for photocatalytic degradation of organic pollutants. INORG CHEM COMMUN 2022. [DOI: 10.1016/j.inoche.2022.110099] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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34
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Yang J, Long J, Huang H, Yang X, Wei L. Synthesis of visible-light driven CeO2/g-C3N5 heterojunction with enhanced photocatalytic performance for organic dyes. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130846] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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35
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A Brief Review of Photocatalytic Reactors Used for Persistent Pesticides Degradation. CHEMENGINEERING 2022. [DOI: 10.3390/chemengineering6060089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Pesticide pollution is a major issue, given their intensive use in the 20th century, which led to their accumulation in the environment. At the international level, strict regulations are imposed on the use of pesticides, simultaneously with the increasing interest of researchers from all over the world to find methods of neutralizing them. Photocatalytic degradation is an intensively studied method to be applied for the degradation of pesticides, especially through the use of solar energy. The mechanisms of photocatalysis are studied and implemented in pilot and semi-pilot installations on experimental platforms, in order to be able to make this method more efficient and to identify the equipment that can achieve the photodegradation of pesticides with the highest possible yields. This paper proposes a brief review of the impact of pesticides on the environment and some techniques for their degradation, with the main emphasis on different photoreactor configurations, using slurry or immobilized photocatalysts. This review highlights the efforts of researchers to harmonize the main elements of photocatalysis: choice of the photocatalyst, and the way of photocatalyst integration within photoreaction configuration, in order to make the transfer of momentum, mass, and energy as efficient as possible for optimal excitation of the photocatalyst.
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Mao Z, Yang Z, Tao W, Tang Q, Xiao Y, Jiang Y, Guo S. Ultrafine Ag Nanoparticles Anchored on Hollow S-Doped CeO 2 Spheres for Synergistically Enhanced Tetracycline Degradation under Visible Light. Ind Eng Chem Res 2022. [DOI: 10.1021/acs.iecr.2c02674] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Zifei Mao
- Institute of Advanced Materials (IAM), College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People’s Republic of China
| | - Ziang Yang
- Institute of Advanced Materials (IAM), College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People’s Republic of China
| | - Wei Tao
- Institute of Advanced Materials (IAM), College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People’s Republic of China
| | - Qiaoya Tang
- Institute of Advanced Materials (IAM), College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People’s Republic of China
| | - Yuting Xiao
- Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, People’s Republic of China
| | - Yong Jiang
- College of Biological and Chemical Engineering, Guangxi University of Science and Technology, Liuzhou 545006, People’s Republic of China
| | - Shien Guo
- Institute of Advanced Materials (IAM), College of Chemistry and Chemical Engineering, Jiangxi Normal University, Nanchang 330022, People’s Republic of China
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Pei H, Jia Q, Guo R, Zhang T, Liu N, Mo Z. Flower-like CeO2/CdS quantum dots heterojunction nanocomposites with high photocatalytic activity for RhB degradation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129256] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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38
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Sun Y, Wu T, Bao Z, Moon J, Huang Z, Chen Z, Chen H, Li M, Yang Z, Chi M, Toops TJ, Wu Z, Jiang DE, Liu J, Dai S. Defect Engineering of Ceria Nanocrystals for Enhanced Catalysis via a High-Entropy Oxide Strategy. ACS CENTRAL SCIENCE 2022; 8:1081-1090. [PMID: 36032771 PMCID: PMC9413438 DOI: 10.1021/acscentsci.2c00340] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Introducing transition-metal components to ceria (CeO2) is important to tailor the surface redox properties for a broad scope of applications. The emergence of high-entropy oxides (HEOs) has brought transformative opportunities for oxygen defect engineering in ceria yet has been hindered by the difficulty in controllably introducing transition metals to the bulk lattice of ceria. Here, we report the fabrication of ceria-based nanocrystals with surface-confined atomic HEO layers for enhanced catalysis. The increased covalency of the transition-metal-oxygen bonds at the HEO-CeO2 interface promotes the formation of surface oxygen vacancies, enabling efficient oxygen activation and replenishment for enhanced CO oxidation capabilities. Understanding the structural heterogeneity involving bulk and surface oxygen defects in nanostructured HEOs provides useful insights into rational design of atomically precise metal oxides, whose increased compositional and structural complexities give rise to expanded functionalities.
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Affiliation(s)
- Yifan Sun
- Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
- Frontiers
Science Center for Transformative Molecules, School of Chemistry and
Chemical Engineering, Shanghai Jiao Tong
University, Shanghai 200240, China
| | - Tao Wu
- Department
of Chemistry, University of California, Riverside, California 92521, United States
| | - Zhenghong Bao
- Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Jisue Moon
- Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Zhennan Huang
- Center
for Nanophase Materials Sciences, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Zitao Chen
- Center
for Nanophase Materials Sciences, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Hao Chen
- Department
of Chemistry, The University of Tennessee, Knoxville, Tennessee 37996, United States
| | - Meijia Li
- Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Zhenzhen Yang
- Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Miaofang Chi
- Center
for Nanophase Materials Sciences, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - Todd J. Toops
- Buildings
and Transportation Science Division, Oak
Ridge National Laboratory, Oak
Ridge, Tennessee 37831, United States
| | - Zili Wu
- Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
- Center
for Nanophase Materials Sciences, Oak Ridge
National Laboratory, Oak Ridge, Tennessee 37831, United States
| | - De-en Jiang
- Department
of Chemistry, University of California, Riverside, California 92521, United States
| | - Jue Liu
- Neutron
Scattering Division, Oak Ridge National
Laboratory, Oak Ridge, Tennessee 37831, United States
- Email for J.L.:
| | - Sheng Dai
- Chemical
Sciences Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831, United States
- Department
of Chemistry, The University of Tennessee, Knoxville, Tennessee 37996, United States
- Email for S.D.:
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More GS, Kushwaha N, Bal R, Srivastava R. Thermal and photocatalytic cascade one-pot synthesis of secondary amine using multifunctional Pd decorated MOF-derived CeO2. J Colloid Interface Sci 2022; 619:14-27. [DOI: 10.1016/j.jcis.2022.03.093] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2022] [Revised: 03/21/2022] [Accepted: 03/21/2022] [Indexed: 02/07/2023]
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40
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Yin H, Yuan C, Lv H, Chen X, Zhang K, Zhang Y. Construction of 0D/2D CeO2/CdS direct Z-scheme heterostructures for effective photocatalytic H2 evolution and Cr(VI) reduction. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.121294] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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41
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Xu L, Zeng J, Li Q, Luo X, Chen T, Liu J, Wang LL. Multifunctional silicene/CeO2 heterojunctions: Desirable electronic material and promising water-splitting photocatalyst. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2021.11.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Tirumala RTA, Gyawali S, Wheeler A, Ramakrishnan SB, Sooriyagoda R, Mohammadparast F, Khatri N, Tan S, Kalkan AK, Bristow AD, Andiappan M. Structure–Property–Performance Relationships of Cuprous Oxide Nanostructures for Dielectric Mie Resonance-Enhanced Photocatalysis. ACS Catal 2022. [DOI: 10.1021/acscatal.2c00977] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Ravi Teja A. Tirumala
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Sunil Gyawali
- Department of Physics and Astronomy, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Aaron Wheeler
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | | | - Rishmali Sooriyagoda
- Department of Physics and Astronomy, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Farshid Mohammadparast
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Nishan Khatri
- School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Susheng Tan
- Department of Electrical and Computer Engineering and Petersen Institute of Nano Science and Engineering, University of Pittsburgh, Pittsburgh, Pennsylvania 15261, United States
| | - A. Kaan Kalkan
- School of Mechanical and Aerospace Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
| | - Alan D. Bristow
- Department of Physics and Astronomy, West Virginia University, Morgantown, West Virginia 26506, United States
| | - Marimuthu Andiappan
- School of Chemical Engineering, Oklahoma State University, Stillwater, Oklahoma 74078, United States
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Nava MR, Pereira CAA, Brackmann R, Lenzi GG, Dias DT, de Souza ÉCF, Borges JFM, da Cunha JBM, Barreto-Rodrigues M. CeO2-Fe2O3 mixed oxides: Synthesis, characterization and evaluation in the photocatalytic degradation of nitroaromatic compounds from wastewater of the explosives industry. J Photochem Photobiol A Chem 2022. [DOI: 10.1016/j.jphotochem.2022.113839] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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44
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Lu T, Yang Z, Li H, Chen H, Xu J, Xu CC, Wang J, Li Z, Zhang Y. Selective oxidation of ethyl lactate to ethyl pyruvate by a photocatalytic strategy under room temperature. J Catal 2022. [DOI: 10.1016/j.jcat.2022.04.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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45
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Double quantum dots decorated layer structure CeCO3OH for improved N2 photo-fixation. J Catal 2022. [DOI: 10.1016/j.jcat.2022.06.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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46
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Nie K, Qu X, Gao D, Li B, Yuan Y, Liu Q, Li X, Chong S, Liu Z. Engineering Phase Stability of Semimetallic MoS 2 Monolayers for Sustainable Electrocatalytic Hydrogen Production. ACS APPLIED MATERIALS & INTERFACES 2022; 14:19847-19856. [PMID: 35441503 DOI: 10.1021/acsami.2c01358] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
1T'-phase MoS2 possesses excellent electrocatalytic performance, but due to the instability of the thermodynamic metastable phase, its actual electrocatalytic effect is seriously limited. Here, we report a wet-chemical synthesis strategy for constructing rGO/1T'-MoS2/CeO2 heterostructures to improve the phase stability of metastable 1T' phase MoS2 monolayers. Importantly, the rGO/1T'-MoS2/CeO2 heterostructure exhibits excellent electrocatalytic hydrogen evolution reaction (HER) performance, which is much better than the 1T'-MoS2 monolayers. The synergistic effects between CeO2 nanoparticles (NPs) and 1T'-MoS2 monolayers were systematically investigated. 1T'-MoS2 monolayers combined with the cocatalyst of CeO2 NPs can produce lattice strain and distortion on 1T'-MoS2 monolayers, which can tune the energy band structure, charge transfer, and energy barriers of hydrogen atom adsorption (ΔEH), leading to promotion of the phase activity and stability of 1T'-MoS2 monolayers for hydrogen production. Our work offers a feasible method for the preparation of efficient HER electrocatalysts based on the engineering phase stability of metastable materials.
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Affiliation(s)
- Kunkun Nie
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Xiaoyan Qu
- Frontier Institute of Science and Technology, State Key Laboratory for Manufacturing Systems Engineering, Xian Jiaotong University, Xi'an 710049, China
| | - Dongwei Gao
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Binjie Li
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Yanling Yuan
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Qi Liu
- School of Faculty of Materials, Northwestern Polytechnical University, Xi'an 710072, China
| | - Xinghua Li
- School of Physics, Northwest University, Xi'an 710127, China
| | - Shaokun Chong
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University, Xi'an 710129, China
| | - Zhengqing Liu
- Frontiers Science Center for Flexible Electronics, Institute of Flexible Electronics (IFE), Xi'an Institute of Biomedical Materials and Engineering, Northwestern Polytechnical University, Xi'an 710129, China
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Okla MK, Harini G, Dawoud TM, Akshhayya C, Mohebaldin A, AL-ghamdi AA, Soufan W, Abdel-Maksoud MA, AbdElgawad H, Raju LL, Thomas AM, Sudheer Khan S. Fabrication of MnFe2O4 spheres modified CeO2 nano-flakes for sustainable photodegradation of MB dye and antimicrobial activity: A brief computational investigation on reactive sites and degradation pathway. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128566] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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48
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Gu J, Li Q, Long X, Zhou X, Liu N, Li Z. Fabrication of magnetic dual Z-scheme heterojunction materials for efficient photocatalytic performance: The study of ternary novel MIL-88A(Fe)/BiOBr/SrFe12O19 nanocomposite. Sep Purif Technol 2022. [DOI: 10.1016/j.seppur.2022.120778] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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49
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Chibac-Scutaru AL, Podasca V, Dascalu IA, Melinte V. Exploring the Influence of Synthesis Parameters on the Optical Properties for Various CeO 2 NPs. NANOMATERIALS 2022; 12:nano12091402. [PMID: 35564111 PMCID: PMC9100359 DOI: 10.3390/nano12091402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2022] [Revised: 04/14/2022] [Accepted: 04/17/2022] [Indexed: 02/01/2023]
Abstract
Cerium oxide (CeO2) nanoparticles were synthesized with a chemical precipitation method in different experimental conditions using cerium nitrate hexahydrate (Ce(NO3)3·6H2O) as a precursor, modifying the solution pH, the reaction time, and Co atoms as dopants, in order to tune the band gap energy values of the prepared samples. The physical characteristics of the synthesized ceria nanoparticles were evaluated by Fourier transform infrared (FT-IR) spectroscopy, X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV–Vis analyses and photoluminescence measurements. XRD data revealed a pure cubic fluorite structure of CeO2 NPs, the estimation of crystallite sizes by Scherrer’s formula indicates the formation of crystals with dimensions between 11.24 and 21.65 nm. All samples contain nearly spherical CeO2 nanoparticles, as well as cubic, rhomboidal, triangular, or polyhedral nanoparticles that can be identified by TEM images. The optical investigation of CeO2 samples revealed that the band gap energy values are between 3.18 eV and 2.85 eV, and, after doping with Co atoms, the Eg of samples decreased to about 2.0 eV. In this study, we managed to obtain CeO2 NPs with Eg under 3.0 eV by only modifying the synthesis parameters. In addition, by doping with Co ions, the band gap energy value was lowered to 2.0 eV. This aspect leads to promising results that provide an encouraging approach for future photocatalytic investigations.
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Affiliation(s)
- Andreea L. Chibac-Scutaru
- Polyaddition and Photochemistry Department, Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (A.L.C.-S.); (V.P.)
| | - Viorica Podasca
- Polyaddition and Photochemistry Department, Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (A.L.C.-S.); (V.P.)
| | - Ioan A. Dascalu
- Centre of Advanced Research in Bionanoconjugates and Biopolymers (IntelCentru), Petru Poni Institute of Macromolecular Chemistry, 41A GrigoreGhicaVoda Alley, 700487 Iasi, Romania;
| | - Violeta Melinte
- Polyaddition and Photochemistry Department, Petru Poni Institute of Macromolecular Chemistry, 41A Grigore Ghica Voda Alley, 700487 Iasi, Romania; (A.L.C.-S.); (V.P.)
- Correspondence:
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50
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Hemmati-Eslamlu P, Habibi-Yangjeh A, Xu X, Wang C, Khataee A. Ultrasonic-assisted decoration of Ag 2WO 4, AgI, and Ag nanoparticles over tubular g-C 3N 4: Plasmonic photocatalysts for impressive removal of tetracycline under visible light. Photochem Photobiol Sci 2022; 21:1201-1215. [PMID: 35380390 DOI: 10.1007/s43630-022-00209-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Accepted: 03/10/2022] [Indexed: 11/30/2022]
Abstract
The development of an efficient, eco-friendly, and low-cost photocatalyst is essential for addressing environmental and energy crises. In this regard, we report novel plasmonic photocatalysts through adorning tubular g-C3N4 with Ag2WO4, Ag, and AgI nanoparticles (TGCN/Ag/Ag2WO4/AgI) fabricated via a facile ultrasonic-irradiation procedure. The TGCN/Ag/Ag2WO4/AgI (20%) nanocomposite presented the excellent photocatalytic ability for removal of tetracycline hydrochloride under visible light, which was almost 45.6, 4.03, and 1.32 times more than GCN, TGCN, and TGCN/Ag/Ag2WO4 (20%) photocatalysts, respectively. Interestingly, the photocatalyst displayed impressive ability for the degradations of amoxicilline, rhodamine B, methyl orange, fuchsine, and methylene blue, which was 14.7, 52.2, 9.8, 13.2, and 7.46 times as much as pure GCN. The outcomes of DRS, PL, EIS, and photocurrent density analyses proved that the impressive activity could be related to the highly promoted harvesting of visible light, segregation of charge carriers, and improved charge migrations. In addition, trapping tests exhibited that •O2- and h+ were active species in the photocatalysis process.
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Affiliation(s)
- Paria Hemmati-Eslamlu
- Department of Chemistry, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran
| | - Aziz Habibi-Yangjeh
- Department of Chemistry, Faculty of Science, University of Mohaghegh Ardabili, Ardabil, Iran.
| | - Xuefei Xu
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Optics Valley Laboratory, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China
| | - Chundong Wang
- School of Optical and Electronic Information, Wuhan National Laboratory for Optoelectronics, Optics Valley Laboratory, Huazhong University of Science and Technology, Wuhan, 430074, People's Republic of China.
| | - Alireza Khataee
- Research Laboratory of Advanced Water and Wastewater Treatment Processes, Department of Applied Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran.,Department of Environmental Engineering, Faculty of Engineering, Gebze Technical University, 41400, Gebze, Turkey
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