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Ngoc Hoang V, Hoa DTN, Quang Man N, Son LVT, Son LVT, Nguyen VT, Phong LTH, Diem LH, Ly KC, Thang HS, Quang Khieu D. Simultaneous electrochemical determination of uric acid and hypoxanthine at a TiO 2/graphene quantum dot-modified electrode. BEILSTEIN JOURNAL OF NANOTECHNOLOGY 2024; 15:719-732. [PMID: 38919168 PMCID: PMC11196949 DOI: 10.3762/bjnano.15.60] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/24/2024] [Accepted: 05/22/2024] [Indexed: 06/27/2024]
Abstract
A TiO2/graphene quantum dots composite (TiO2/GQDs) obtained by in situ synthesis of GQDs, derived from coffee grounds, and peroxo titanium complexes was used as electrode modifier in the simultaneous electrochemical determination of uric acid and hypoxanthine. The TiO2/GQDs material was characterized by photoluminescence, X-ray diffraction, Raman spectroscopy, high-resolution transmission electron microscopy, and energy-dispersive X-ray mapping. The TiO2/GQDs-GCE exhibits better electrochemical activity for uric acid and hypoxanthine than GQDs/GCE or TiO2/GCE in differential pulse voltammetry (DPV) measurements. Under optimized conditions, the calibration plots were linear in the range from 1.00 to 15.26 μM for both uric acid and hypoxanthine. The limits of detection of this method were 0.58 and 0.68 μM for uric acid and hypoxanthine, respectively. The proposed DPV method was employed to determine uric acid and hypoxanthine in urine samples with acceptable recovery rates.
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Affiliation(s)
- Vu Ngoc Hoang
- University of Sciences, Hue University, Vietnam
- Tan Hiep High School, Kien giang, Vietnam
| | | | | | - Le Vu Truong Son
- The University of Danang, University of Science and Education, Vietnam
| | - Le Van Thanh Son
- The University of Danang, University of Science and Education, Vietnam
| | - Vo Thang Nguyen
- The University of Danang, University of Science and Education, Vietnam
| | - Le Thi Hong Phong
- Institute of Materials Science, Vietnam Academy of Science and Technology, Vietnam
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Zhou X, Wu J, Xiao Y, Jiang Y, Zhang W, Liu Y, Liu Z, Zhang J. Boosting photoelectron transport in Zn0.5Cd0.5S/Sn3O4 heterostructure through close interface contact for enhancing photocatalytic H2 generation and degradation of tetracycline hydrochloride. Sep Purif Technol 2023. [DOI: 10.1016/j.seppur.2023.123243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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El-Attar HG, Salem MA, Ibrahim SA, Bakr EA. Highly efficient and recyclable novel spindles Fe2O3@SiO2/In2O3 nanomagnetic catalyst designed for green synthesis of azomethine compounds. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04894-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
AbstractA novel and reusable nanomagnetic catalyst, Fe2O3@SiO2/In2O3, was synthesized by a facile chemical approach in three successive steps. The nanocatalyst was characterized by FT-IR, XRD, SEM, EDX, TEM, and VSM. The XRD pattern displays the characteristic peaks of Fe2O3 and SiO2, accompanied by new peaks assigned to different planes of In2O3 that confirm the formation of In2O3 on the surface of Fe2O3@SiO2 core/shell spindles. The TEM micrographs show spindle-like particles of Fe2O3 covered with SiO2 shell, and the In2O3 nanoparticles in an average diameter of 20 nm are hung on the surface of the Fe2O3@SiO2. The nanomagnetic catalyst Fe2O3@SiO2/In2O3 was used for the transformation of the (4-nitrophenyl)-1-phenyl-1H-pyrazole-5-amine, and chalcones derivatives, into valuable azomethine compounds of 3-(substituted)-1-(pyridine-2-yl)allylidene)-3-(4-nitrophenyl)-1-phenyl-1H-pyrazole-5-amine with high rate and efficient catalyst recovery. The yield obtained through the catalytic route reached 90–95% in shorter reaction times compared with uncatalyzed reaction method.
Graphical abstract
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Photodynamic and antibacterial studies of template-assisted Fe 2O 3-TiO 2 nanocomposites. Photodiagnosis Photodyn Ther 2022; 40:103064. [PMID: 35963529 DOI: 10.1016/j.pdpdt.2022.103064] [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: 06/21/2022] [Revised: 08/02/2022] [Accepted: 08/09/2022] [Indexed: 12/14/2022]
Abstract
Fe2O3-TiO2 (FT) nanocomposites were successfully synthesized by template-assisted precipitation reaction using Polyvinylpyrrolidone-Polyethylene glycol (PVP-PEG), Tween-80 (T-80) and Cetyltrimethylammomium bromide (CTAB) as templates. The prepared nanocomposites were characterized by XRD, SEM, EDX, UV-DRS, FT-IR, and FT-Raman spectroscopic analysis. The photohemolysis studies were done in human erythrocytes and the cell viability studies were done in HeLa cell lines under the irradiation of an LED light source. The photodynamic studies were performed under two different experimental conditions, such as varying concentrations as well as a time of irradiation. The nanocomposites exhibit significant photodynamic activity via the generation of reactive oxygen species (ROS) under the light source. The results show that the PVP-PEG-assisted Fe2O3-TiO2 (FT-PVP-PEG) nanocomposite has more potential for photodynamic activity in the presence of an LED light source. Also, the antibacterial effect of the samples was investigated against gram-negative bacteria (Escherichia coli). Among all nanocomposites, FT-PVP-PEG shows remarkable antibacterial activity against E. coli. Moreover, the template-assisted nanocomposites protect the biomolecules from the toxicity generated by the magnetic nanoparticles (NPs). The template-assisted FT nanocomposites for the field of photodynamic activity have been experimentally shown for the first time.
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Yuan M, Xue J, Li J, Ma S, Wang M. PCN-222/Ag2O-Ag p-n heterojunction modified fabric as recyclable photocatalytic platform for boosting bacteria inactivation and organic pollutant degradation. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.130474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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Studies on Synthesis and Characterization of Fe3O4@SiO2@Ru Hybrid Magnetic Composites for Reusable Photocatalytic Application. ADSORPT SCI TECHNOL 2022. [DOI: 10.1155/2022/3970287] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Degradation of dye pollutants by the photocatalytic process has been regarded as the most efficient green method for removal organic dyes from contaminated water. The current research work describes the synthesis of Fe3O4@SiO2@Ru hybrid magnetic composites (HMCs) and their photocatalytic degradation of two azo dye pollutants, methyl orange (MO) and methyl red (MR), under irradiation of visible light. The synthesis of Fe3O4@SiO2@Ru HMCs involves three stages, including synthesis of Fe3O4 magnetic microspheres (MMSs), followed by silica (SiO2) coating to get Fe3O4@SiO2 MMSs, and then incorporation of presynthesized Ru nanoparticles (~3 nm) onto the surface of Fe3O4@SiO2 HMCs. The synthesized HMCs were characterized by XRD, FTIR, TEM, EDS, XPS, BET analysis, UV-DRS, PL spectroscopy, and VSM to study the physical and chemical properties. Furthermore, the narrow band gap energy of the HMC photocatalyst is a significant parameter that provides high photocatalytic properties due to the high light adsorption. The photocatalytic activity of synthesized Fe3O4@SiO2@Ru HMCs was assessed by researching their ability to degrade the aqueous solution of MO and MR dyes under visible radiation, and the influence of various functional parameters on photocatalytic degradation has also been studied. The results indicate that the photocatalytic degradation of MO and MR dyes is more than 90%, and acid media favors better degradation. The probable mechanism of photodegradation of azo dyes by Fe3O4@SiO2@Ru HMC catalysts has been proposed. Furthermore, due to the strong ferromagnetic Fe3O4 core, HMCs were easily separated from the solution after the photocatalytic degradation process for reuse. Also, the photocatalytic activity after six cycles of use is greater than 90%, suggesting the stability of the synthesized Fe3O4@SiO2@Ru HMCs.
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Jin L, Xu J, Xue Y, Zhang X, Feng M, Wang C, Yao W, Wang J, He M. Research Progress in the Multilayer Hydrogels. Gels 2021; 7:172. [PMID: 34698200 PMCID: PMC8544501 DOI: 10.3390/gels7040172] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 01/11/2023] Open
Abstract
Hydrogels have been widely used in many fields including biomedicine and water treatment. Significant achievements have been made in these fields due to the extraordinary properties of hydrogels, such as facile processability and tissue similarity. However, based on the in-depth study of the microstructures of hydrogels, as a result of the enhancement of biomedical requirements in drug delivery, cell encapsulation, cartilage regeneration, and other aspects, it is challenge for conventional homogeneous hydrogels to simultaneously meet different needs. Fortunately, heterogeneous multilayer hydrogels have emerged and become an important branch of hydrogels research. In this review, their main preparation processes and mechanisms as well as their composites from different resources and methods, are introduced. Moreover, the more recent achievements and potential applications are also highlighted, and their future development prospects are clarified and briefly discussed.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Meng He
- School of Materials Science and Engineering, Yancheng Institute of Technology, Yancheng 224051, China; (L.J.); (J.X.); (Y.X.); (X.Z.); (M.F.); (C.W.); (W.Y.); (J.W.)
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Singh R, Bhateria R. Core-shell nanostructures: a simplest two-component system with enhanced properties and multiple applications. ENVIRONMENTAL GEOCHEMISTRY AND HEALTH 2021; 43:2459-2482. [PMID: 33161517 DOI: 10.1007/s10653-020-00766-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2019] [Accepted: 10/30/2020] [Indexed: 06/11/2023]
Abstract
With the pace of time, synthesis of nanomaterials has paved paths to blend two or more materials having different properties into hybrid nanoparticles. Therefore, it has become possible to combine two different functionalities in a single nanoparticle and their properties can be enhanced or modified by coupling of two different components. Core-shell technology has now represented a new trend in analytical sciences. Core-shell nanostructures are in demand due to their specific design and geometry. They have internal core of one component (metal or biomolecules) surrounded by a shell of another component. Core-shell nanoparticles have great importance due to their high thermal stability, high solubility and lower toxicity. In this review, recent progress in development of new and sophisticated core-shell nanostructures has been explored. The first section covers introduction throwing light on basics of core-shell nanoparticles. Following section classifies core-shell nanostructures into single core/shell, multicore/single shell, single core/multishell and multicore/multishell nanostructures. Next main section gives a brief description on types of core-shell nanomaterials followed by processes for the synthesis of core-shell nanostructures. Ultimately, the final section focuses on the application areas such as drug delivery, bioimaging, solar cell applications etc.
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Affiliation(s)
- Rimmy Singh
- Department of Environmental Sciences, MDU, Rohtak, India
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Gopalan Sibi M, Verma D, Kim J. Magnetic core–shell nanocatalysts: promising versatile catalysts for organic and photocatalytic reactions. CATALYSIS REVIEWS 2020. [DOI: 10.1080/01614940.2019.1659555] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
Affiliation(s)
- Malayil Gopalan Sibi
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Mechanical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Chemical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
| | - Deepak Verma
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Mechanical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Chemical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
| | - Jaehoon Kim
- SKKU Advanced Institute of Nanotechnology (SAINT), Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Mechanical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
- School of Chemical Engineering, Sungkyunkwan University, Gyeong Gi-Do, Republic of Korea
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Ayappan C, Jayaraman V, Palanivel B, Pandikumar A, Mani A. Facile preparation of novel Sb2S3 nanoparticles/rod-like α-Ag2WO4 heterojunction photocatalysts: Continuous modulation of band structure towards the efficient removal of organic contaminants. Sep Purif Technol 2020. [DOI: 10.1016/j.seppur.2019.116302] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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11
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Siva Kumar N, Asif M, Ranjeth Kumar Reddy T, Shanmugam G, Ajbar A. Silver Quantum Dot Decorated 2D-SnO 2 Nanoflakes for Photocatalytic Degradation of the Water Pollutant Rhodamine B. NANOMATERIALS (BASEL, SWITZERLAND) 2019; 9:E1536. [PMID: 31671538 PMCID: PMC6915625 DOI: 10.3390/nano9111536] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 10/25/2019] [Accepted: 10/28/2019] [Indexed: 01/25/2023]
Abstract
Decoration of 2D semiconductor structures with heterogeneous metal quantum dots has attracted considerable attention due to advanced optical, electrical, and catalytic properties that result from the large surface-to-volume ratio associated with these structures. Herein, we report on silver quantum dot decorated 2D SnO2 nanoflakes for the photocatalytic abatement of water effluents, the synthesis of which was achieved through a straightforward and mild hydrothermal procedure. The photocatalysts were systematically investigated using UV-Vis, XRD, electron microscopy (SEM, HR-TEM), EDX, XPS and FTIR. The photocatalytic activity of the nanostructures was evaluated for the abatement of water pollutant rhodamine B (RhB), under light irradiation. The mild hydrothermal synthesis (100 °C) proved highly efficient for the production of large scale Ag quantum dot (QD)/SnO2 nanoflakes for a novel photocatalytic application. The decoration of SnO2 with Ag QDs significantly enhances the synergetic charge transfer, which diminishes the photo-induced electron-hole reunion. Moreover, the plasmonic effect from Ag QDs and 2D-SnO2 structures acts as an electron tank to collect the photo-induced electrons, generating a Schottky barrier between the SnO2 structures and quantum dots. Overall, this resulted in a facile and efficient degradation of RhB, with a rate double that of pristine SnO2.
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Affiliation(s)
- Nadavala Siva Kumar
- Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia.
| | - Mohammad Asif
- Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia.
| | | | - Gnanendra Shanmugam
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk 38541, Korea.
| | - Abdelhamid Ajbar
- Department of Chemical Engineering, King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia.
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Chen L, Yang S, Huang Y, Zhang B, Kang F, Ding D, Cai T. Degradation of antibiotics in multi-component systems with novel ternary AgBr/Ag 3PO 4@natural hematite heterojunction photocatalyst under simulated solar light. JOURNAL OF HAZARDOUS MATERIALS 2019; 371:566-575. [PMID: 30878907 DOI: 10.1016/j.jhazmat.2019.03.038] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Revised: 12/29/2018] [Accepted: 03/07/2019] [Indexed: 06/09/2023]
Abstract
Abatement of antibiotics from aquatic systems is of great importance but remains a challenge. Herein, we prepared ternary AgBr/Ag3PO4@natural hematite (AgBr/Ag3PO4@NH) heterojunction composite via a simple route for the photocatalytic degradation of antibiotic pollutants. By adjusting the dose of Ag species, four products with different Ag content (denoted as Ag0.5BrPFe, Ag1BrPFe, Ag1.5BrPFe, and Ag2BrPFe) were developed. Among them, Ag1.5BrPFe exhibited the best photocatalytic activity. Four antibiotics (i.e. ciprofloxacin (CIP), norfloxacin (NOR), sulfadiazine (SDZ), and tetracycline (TTC)) could be degraded with synthesized Ag1.5BrPFe in multi-component systems. Water matrix indexes including solution pH, coexisting anions, humic acids exhibited distinct effects on the degradation process. The results revealed that the degradation process was accelerated at acidic conditions while depressed at basic conditions. Superoxide radical and hole were detected by in situ electron spin resonance technique and played the dominant roles. The degradation pathway TTC was tentatively established followed with the identification of the degradation intermediates and computational analysis. This work would shed light on the photocatalytic degradation mechanism of organic pollutants by the AgBr/Ag3PO4@NH composite.
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Affiliation(s)
- Liwei Chen
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Shengjiong Yang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Yang Huang
- College of Materials Science and Engineering, Shenzhen university, Shenzhen 518060, China
| | - Baogang Zhang
- School of Water Resources and Environment, MOE Key Laboratory of Groundwater Circulation and Environmental Evolution, China University of Geosciences (Beijing), Beijing 100083, China
| | - Fuxing Kang
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
| | - Dahu Ding
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China.
| | - Tianming Cai
- College of Resources and Environmental Sciences, Nanjing Agricultural University, Nanjing 210095, China
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Double-sided plasmonic silver nanoparticles decorated copper oxide/zinc oxide heterostructured nanomaces with improving photocatalytic performance. J Photochem Photobiol A Chem 2019. [DOI: 10.1016/j.jphotochem.2019.04.036] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Liu J, Wu Z, He Q, Tian Q, Wu W, Xiao X, Jiang C. Catalytic Application and Mechanism Studies of Argentic Chloride Coupled Ag/Au Hollow Heterostructures: Considering the Interface Between Ag/Au Bimetals. NANOSCALE RESEARCH LETTERS 2019; 14:35. [PMID: 30684022 PMCID: PMC6349269 DOI: 10.1186/s11671-019-2862-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 01/10/2019] [Indexed: 05/27/2023]
Abstract
For an economical use of solar energy, photocatalysts that are sufficiently efficient, stable, and capable of harvesting light are required. Composite heterostructures composed of noble metals and semiconductors exhibited the excellent in catalytic application. Here, 1D Ag/Au/AgCl hollow heterostructures are synthesized by galvanic replacement reaction (GRR) from Ag nanowires (NWs). The catalytic properties of these as-obtained Ag/Au/AgCl hollow heterostructures with different ratios are investigated by reducing 4-nitrophenol (Nip) into 4-aminophenol (Amp) in the presence of NaBH4, and the influence of AgCl semiconductor to the catalytic performances of Ag/Au bimetals is also investigated. These hollow heterostructures show the higher catalytic properties than pure Ag NWs, and the AgCl not only act as supporting materials, but the excess AgCl is also the obstacle for contact of Ag/Au bimetals with reactive species. Moreover, the photocatalytic performances of these hollow heterostructures are carried out by degradation of acid orange 7 (AO7) under UV and visible light. These Ag/Au/AgCl hollow heterostructures present the higher photocatalytic activities than pure Ag NWs and commercial TiO2 (P25), and the Ag/Au bimetals enhance the photocatalytic activity of AgCl semiconductor via the localized surface plasmon resonance (LSPR) and plasmon resonance energy transfer (PRET) mechanisms. The as-synthesized 1D Ag/Au/AgCl hollow heterostructures with multifunction could apply in practical environmental remedy by catalytic manners.
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Affiliation(s)
- Jun Liu
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, 412007 People’s Republic of China
- Laboratory of Printable Functional Nanomaterials and Printed Electronics, School of Printing and Packaging, Wuhan University, Wuhan, 430072 People’s Republic of China
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Zhaohui Wu
- Hunan Key Laboratory of Applied Environmental Photocatalysis, Changsha University, Changsha, 410022 People’s Republic of China
- Laboratory of Printable Functional Nanomaterials and Printed Electronics, School of Printing and Packaging, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Quanguo He
- Hunan Key Laboratory of Biomedical Nanomaterials and Devices, Hunan University of Technology, Zhuzhou, 412007 People’s Republic of China
| | - Qingyong Tian
- Laboratory of Printable Functional Nanomaterials and Printed Electronics, School of Printing and Packaging, Wuhan University, Wuhan, 430072 People’s Republic of China
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Wei Wu
- Laboratory of Printable Functional Nanomaterials and Printed Electronics, School of Printing and Packaging, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Xiangheng Xiao
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Changzhong Jiang
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
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Tian Q, Yao W, Wu W, Jiang C. NIR light-activated upconversion semiconductor photocatalysts. NANOSCALE HORIZONS 2019; 4:10-25. [PMID: 32254143 DOI: 10.1039/c8nh00154e] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Harvesting of near infrared (NIR) light in the abundant and environmentally friendly solar spectrum is particularly significant to enhance the utilization rate of the cleanest energy on earth. Appreciating the unique nonlinear optical properties of upconversion materials for converting low-energy incident light into high-energy radiation, they become the most promising candidates for fabricating NIR light-active photocatalytic systems by integrating with semiconductors. The present review summarizes recent NIR light-active photocatalytic systems based on a sequence of NaYF4-based, fluoride-based, oxide-based and Ln3+ ion-doped semiconductor-based photocatalysts for degradation of organic molecules. In addition, we provide an in-depth analysis of various photocatalytic mechanisms and enhancement effects for efficient photo-redox performance of different upconversion semiconductor photocatalysts. We envision that this review can inspire multidisciplinary research interest in rational design and fabrication of efficient full-spectrum active (UV-visible-NIR) photocatalytic systems and their wider applications in solar energy conversion.
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Affiliation(s)
- Qingyong Tian
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan 430072, P. R. China.
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Badhe R, Ansari A, Garje SS. One-Pot Synthesis of Pd-Based Ternary Pd@CdS@TiO 2 Nanoclusters via a Solvothermal Route and Their Catalytic Reduction Efficiency toward Toxic Hexavalent Chromium. ACS OMEGA 2018; 3:18663-18672. [PMID: 31458432 PMCID: PMC6644253 DOI: 10.1021/acsomega.8b02924] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/10/2018] [Indexed: 06/10/2023]
Abstract
In this work, we report the synthesis of Pd-based ternary Pd@CdS@TiO2 nanocomposites using molecular precursors. This method is facile, less time-consuming, and cost-effective. This catalyst is prepared within 2 h by a solvothermal route using molecular precursors. Information about the phase, morphologies, elemental mapping, and composition of the nanocomposites was obtained using various characterization techniques. The catalytic activity of the as-prepared Pd-based ternary Pd@CdS@TiO2 nanocomposites exhibits effective reduction efficiency for the conversion of toxic Cr(VI) to Cr(III) using formic acid as a reducing agent within 5-7 min. To the best of our knowledge, this is the first report on Pd-based ternary Pd@CdS@TiO2 nanocomposites prepared by a solvothermal route and used as catalysts toward the reduction of hexavalent chromium at room temperature.
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Affiliation(s)
| | | | - Shivram S. Garje
- E-mail: , .
Phone: +91-22-2654 3368. Fax: +91-22-2652 85 47 (S.S.G.)
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Huang X, Deng X, Zhu H, Qi W, Wu D. Ag@Fe2O3-graphene oxide nanocomposite as a novel redox probe for electrochemical immunosensor for alpha-fetoprotein detection. J Solid State Electrochem 2018. [DOI: 10.1007/s10008-018-4139-0] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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18
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Rajamohan S, Kumaravel V, Abdel-Wahab A, Ayyadurai S, Muthuramalingam R. Exploration of Ag decoration and Bi doping on the photocatalytic activity α-Fe2
O3
under simulated solar light irradiation. CAN J CHEM ENG 2018. [DOI: 10.1002/cjce.23122] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Affiliation(s)
- Satheesh Rajamohan
- Department of Chemistry; Sethu Institute of Technology; Madurai 626 115 Tamil Nadu India
| | - Vignesh Kumaravel
- Chemical Engineering Program; Texas A&M University at Qatar; Doha 23874 Qatar
| | - Ahmed Abdel-Wahab
- Chemical Engineering Program; Texas A&M University at Qatar; Doha 23874 Qatar
| | - Suganthi Ayyadurai
- Post Graduate & Research Department of Chemistry; Thiagarajar College; Madurai 625009 Tamil Nadu India
| | - Rajarajan Muthuramalingam
- Post Graduate & Research Department of Chemistry; Cardamom Planter's Association College; Bodinayakanur 626 513 Tamil Nadu India
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Ma Y, Jiang J, Zhu A, Tan P, Bian Y, Zeng W, Cui H, Pan J. Enhanced visible-light photocatalytic degradation by Mn3O4/CeO2 heterojunction: a Z-scheme system photocatalyst. Inorg Chem Front 2018. [DOI: 10.1039/c8qi00749g] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Abstract
A novel 1-D Mn3O4/CeO2 heterojunction exhibited enhanced photocatalytic degradation via a Z-scheme system.
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Affiliation(s)
- Yongjin Ma
- State Key Laboratory for Powder Metallurgy
- Central South University
- 410075 P. R. China
| | - Jing Jiang
- State Key Laboratory for Powder Metallurgy
- Central South University
- 410075 P. R. China
| | - Anquan Zhu
- State Key Laboratory for Powder Metallurgy
- Central South University
- 410075 P. R. China
| | - Pengfei Tan
- State Key Laboratory for Powder Metallurgy
- Central South University
- 410075 P. R. China
| | - Yuan Bian
- State Key Laboratory for Powder Metallurgy
- Central South University
- 410075 P. R. China
| | - Weixuan Zeng
- State Key Laboratory for Powder Metallurgy
- Central South University
- 410075 P. R. China
| | - Hao Cui
- Sino-Platinum Metals Co
- Ltd
- Kunming Institute of Precious Metals
- Kunming
- 650106 P. R. China
| | - Jun Pan
- State Key Laboratory for Powder Metallurgy
- Central South University
- 410075 P. R. China
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20
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Tian Q, Wu W, Yang S, Liu J, Yao W, Ren F, Jiang C. Zinc Oxide Coating Effect for the Dye Removal and Photocatalytic Mechanisms of Flower-Like MoS 2 Nanoparticles. NANOSCALE RESEARCH LETTERS 2017; 12:221. [PMID: 28340531 PMCID: PMC5364121 DOI: 10.1186/s11671-017-2005-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 03/16/2017] [Indexed: 05/09/2023]
Abstract
Flower-like MoS2 nanoparticles (NPs) consist of ultra-thin MoS2 nanosheets are synthesized via a facile one-pot hydrothermal method. The MoS2/ZnO p-n heterostructure is formed by coating n-type ZnO on the surface of flower-like MoS2 NPs through the seed-mediate route and post-annealing treatment. The effects for the dye removal and photocatalytic performances after ZnO coating are systematically investigated. The results demonstrated that the coating of ZnO nanoparticles has a positive promotion to the photodegrading properties while negative effect on the adsorption capacity of the MoS2/ZnO heterostructures. The related mechanisms on the relationship of adsorption capacity and photocatalysis are discussed in detail.
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Affiliation(s)
- Qingyong Tian
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Wei Wu
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
- Suzhou Research Institute of Wuhan University, Suzhou, 215000 People’s Republic of China
| | - Shuanglei Yang
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Jun Liu
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Weijing Yao
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Feng Ren
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
| | - Changzhong Jiang
- School of Printing and Packaging and School of Physics and Technology, Wuhan University, Wuhan, 430072 People’s Republic of China
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21
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Wang F, Li M, Yu L, Sun F, Wang Z, Zhang L, Zeng H, Xu X. Corn-like, recoverable γ-Fe 2O 3@SiO 2@TiO 2 photocatalyst induced by magnetic dipole interactions. Sci Rep 2017; 7:6960. [PMID: 28761085 PMCID: PMC5537353 DOI: 10.1038/s41598-017-07417-z] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Accepted: 06/22/2017] [Indexed: 02/04/2023] Open
Abstract
Corn-like, γ-Fe2O3@SiO2@TiO2 core/shell heterostructures were synthesized by a modified solvothermal reduction combined with a sol-gel method. SiO2 shells were first deposited on monodisperse Fe3O4 microspheres by a sol-gel method. Fe3O4@SiO2@TiO2 corn-like heterostructures were then obtained by sequential TiO2 coating, during which the magnetic dipolar interactions induced the anisotropic self-assembly process. After annealing at 350 °C, the crystalized TiO2 enhanced photocatalytic activity, while Fe3O4 was converted to γ-Fe2O3. The corn-like γ-Fe2O3@SiO2@TiO2 photocatalyst can be recycled and reused by magnet extraction. Despite the photocatalytic activity decreased with each cycle, it can be completely recovered by moderate heating at 200 °C.
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Affiliation(s)
- Fang Wang
- School of Chemistry and Materials Science of Shanxi Normal University & Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, Linfen, 041004, China
- Research Institute of Materials Science of Shanxi Normal University & Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, 041004, China
| | - Manhong Li
- School of Chemistry and Materials Science of Shanxi Normal University & Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, Linfen, 041004, China
- Research Institute of Materials Science of Shanxi Normal University & Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, 041004, China
| | - Lifang Yu
- School of Chemistry and Materials Science of Shanxi Normal University & Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, Linfen, 041004, China
- Research Institute of Materials Science of Shanxi Normal University & Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, 041004, China
| | - Fan Sun
- Department of Physics, University at Buffalo, SUNY, Buffalo, NY, 14260, USA
| | - Zhuliang Wang
- School of Chemistry and Materials Science of Shanxi Normal University & Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, Linfen, 041004, China
- Research Institute of Materials Science of Shanxi Normal University & Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, 041004, China
| | - Lifang Zhang
- School of Chemistry and Materials Science of Shanxi Normal University & Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, Linfen, 041004, China
| | - Hao Zeng
- Department of Physics, University at Buffalo, SUNY, Buffalo, NY, 14260, USA.
| | - Xiaohong Xu
- School of Chemistry and Materials Science of Shanxi Normal University & Key Laboratory of Magnetic Molecules and Magnetic Information Materials of Ministry of Education, Linfen, 041004, China.
- Research Institute of Materials Science of Shanxi Normal University & Collaborative Innovation Center for Shanxi Advanced Permanent Magnetic Materials and Technology, Linfen, 041004, China.
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22
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Chen CC, Jaihindh D, Hu SH, Fu YP. Magnetic recyclable photocatalysts of Ni-Cu-Zn ferrite@SiO2@TiO2@Ag and their photocatalytic activities. J Photochem Photobiol A Chem 2017. [DOI: 10.1016/j.jphotochem.2016.11.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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23
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Bhar S, Ananthakrishnan R. Ru(ii)-Metal complex immobilized mesoporous SBA-15 hybrid for visible light induced photooxidation of chlorophenolic compounds in aqueous medium. Photochem Photobiol Sci 2017; 16:1290-1300. [DOI: 10.1039/c6pp00363j] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The work focuses on room-temperature photocatalytic degradation of phenolic compounds by Ru(ii)-complex immobilized mesoporous silica SBA-15 under visible light in an aqueous medium.
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Affiliation(s)
- Sumana Bhar
- Department of Chemistry
- Green Environmental Materials & Analytical Chemistry Laboratory
- Indian Institute of Technology
- Kharagpur 721302
- India
| | - Rajakumar Ananthakrishnan
- Department of Chemistry
- Green Environmental Materials & Analytical Chemistry Laboratory
- Indian Institute of Technology
- Kharagpur 721302
- India
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24
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Wu W, Jiang CZ, Roy VAL. Designed synthesis and surface engineering strategies of magnetic iron oxide nanoparticles for biomedical applications. NANOSCALE 2016; 8:19421-19474. [PMID: 27812592 DOI: 10.1039/c6nr07542h] [Citation(s) in RCA: 184] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Iron oxide nanoparticles (NPs) hold great promise for future biomedical applications because of their magnetic properties as well as other intrinsic properties such as low toxicity, colloidal stability, and surface engineering capability. Numerous related studies on iron oxide NPs have been conducted. Recent progress in nanochemistry has enabled fine control over the size, crystallinity, uniformity, and surface properties of iron oxide NPs. This review examines various synthetic approaches and surface engineering strategies for preparing naked and functional iron oxide NPs with different physicochemical properties. Growing interest in designed and surface-engineered iron oxide NPs with multifunctionalities was explored in in vitro/in vivo biomedical applications, focusing on their combined roles in bioseparation, as a biosensor, targeted-drug delivery, MR contrast agents, and magnetic fluid hyperthermia. This review outlines the limitations of extant surface engineering strategies and several developing strategies that may overcome these limitations. This study also details the promising future directions of this active research field.
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Affiliation(s)
- Wei Wu
- Laboratory of Printable Functional Nanomaterials and Printed Electronics, School of Printing and Packaging, Wuhan University, Wuhan 430072, P. R. China. and Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, P. R. China.
| | - Chang Zhong Jiang
- School of Physics and Technology, Wuhan University, Wuhan 430072, P. R. China.
| | - Vellaisamy A L Roy
- Department of Physics and Materials Science, City University of Hong Kong, Hong Kong SAR, P. R. China.
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25
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Zhou Q, Peng F, Ni Y, Kou J, Lu C, Xu Z. Long afterglow phosphor driven round-the-clock g-C3N4 photocatalyst. J Photochem Photobiol A Chem 2016. [DOI: 10.1016/j.jphotochem.2016.06.002] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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26
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Li K, Chen R, Li SL, Xie SL, Cao XL, Dong LZ, Bao JC, Lan YQ. Engineering the Morphology and Configuration of Ternary Heterostructures for Improving Their Photocatalytic Activity. ACS APPLIED MATERIALS & INTERFACES 2016; 8:4516-4522. [PMID: 26835705 DOI: 10.1021/acsami.5b11388] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Heteronanomaterials composed of suitable semiconductors enable the direct conversion from solar power into clean and renewable energy. Ternary heterostructures with appropriate configuration and morphology possess rich and varied properties, especially for improving the photocatalytic activity and stability synchronously. However, suitable ternary heterostructure prototypes and facile while effective strategy for modulating their morphology and configuration are still scarce. Herein, various ternary ZnS-CdS-Zn(1-x)Cd(x)S heterostructures with tunable morphology (0 to 2 D) and semiconductor configurations (randomly distributed, interface mediated, and quantum dots sensitized core@shell heterostructures) were facilely synthesized via one-pot hydrothermal method resulting from the different molecular structures of the amine solvents. Semiconductor morphology, especially configuration of the ternary heterostructure, shows dramatic effect on their photocatalytic activity. The CdS sensitized porous Zn(1-x)CdxS@ZnS core@shell takes full advantage of ZnS, Zn(1-x)Cd(x)S and CdS and shows the maximal photocatalytic H2-production rate of 100.2 mmol/h/g and excellent stability over 30 h. This study provides some guidelines for the design and synthesis of high-performance ternary heterostructure via modulation of semiconductor configuration and morphology using one-pot method.
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Affiliation(s)
- Kui Li
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
| | - Rong Chen
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
| | - Shun-Li Li
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
| | - Shuai-Lei Xie
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
| | - Xue-Li Cao
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
| | - Long-Zhang Dong
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
| | - Jian-Chun Bao
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
| | - Ya-Qian Lan
- Jiangsu Key Laboratory of Biofunctional Materials, School of Chemistry and Materials Science, Nanjing Normal University , Nanjing, 210023 Jiangsu, P. R. China
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27
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Yang J, Wang J, Li X, Wang D, Song H. Synthesis of urchin-like Fe3O4@SiO2@ZnO/CdS core–shell microspheres for the repeated photocatalytic degradation of rhodamine B under visible light. Catal Sci Technol 2016. [DOI: 10.1039/c5cy02090e] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Magnetically retrievable Fe3O4@SiO2@ZnO/CdS microspheres with a well-designed core–shell structure and excellent visible-irradiation photocatalytic performance were successfully synthesized.
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Affiliation(s)
- Jinghai Yang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- PR China
| | - Jian Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- PR China
- Changchun Institute of Optics
| | - Xiuyan Li
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- PR China
| | - Dandan Wang
- Key Laboratory of Functional Materials Physics and Chemistry of the Ministry of Education
- Jilin Normal University
- Siping 136000
- PR China
- Changchun Institute of Optics
| | - Hang Song
- Changchun Institute of Optics
- Fine Mechanics and Physics
- Chinese Academy of Sciences
- Changchun 130033
- PR China
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28
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Ganeshraja AS, Thirumurugan S, Rajkumar K, Zhu K, Wang Y, Anbalagan K, Wang J. Effects of structural, optical and ferromagnetic states on the photocatalytic activities of Sn–TiO2 nanocrystals. RSC Adv 2016. [DOI: 10.1039/c5ra25609g] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Ferromagnetic Sn–TiO2 nanocrystals were newly developed, and their photocatalytic activity showed structural, luminescent and magnetic dependences.
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Affiliation(s)
| | | | - Kanniah Rajkumar
- Department of Chemistry
- Pondicherry University
- Pondicherry 605014
- India
| | - Kaixin Zhu
- Mössbauer Effect Data Center
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | - Yanjie Wang
- Mössbauer Effect Data Center
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
| | | | - Junhu Wang
- Mössbauer Effect Data Center
- Dalian Institute of Chemical Physics
- Chinese Academy of Sciences
- Dalian 116023
- China
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29
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Lei M, Wu W, Sun L, Tian Q, Jiang C, Xiao X. Controlled preparation of hollow SnO2@M (M = Au, Ag) heterostructures through template-assist method for enhanced photocatalysis. Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2015.06.018] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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30
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Wang J, Yang J, Li X, Wei B, Wang D, Song H, Zhai H, Li X. Synthesis of Fe3O4@SiO2@ZnO–Ag core–shell microspheres for the repeated photocatalytic degradation of rhodamine B under UV irradiation. ACTA ACUST UNITED AC 2015. [DOI: 10.1016/j.molcata.2015.05.023] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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31
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Xiao J, Xie Y, Cao H. Organic pollutants removal in wastewater by heterogeneous photocatalytic ozonation. CHEMOSPHERE 2015; 121:1-17. [PMID: 25479808 DOI: 10.1016/j.chemosphere.2014.10.072] [Citation(s) in RCA: 85] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2014] [Revised: 10/10/2014] [Accepted: 10/31/2014] [Indexed: 05/06/2023]
Abstract
Heterogeneous photocatalysis and ozonation are robust advanced oxidation processes for eliminating organic contaminants in wastewater. The combination of these two methods is carried out in order to enhance the overall mineralization of refractory organics. An apparent synergism between heterogeneous photocatalysis and ozonation has been demonstrated in many literatures, which gives rise to an improvement of total organic carbon removal. The present overview dissects the heterogeneous catalysts and the influences of different operational parameters, followed by the discussion on the kinetics, mechanism, economic feasibility and future trends of this integrated technology. The enhanced oxidation rate mainly results from a large amount of hydroxyl radicals generated from a synergistically induced decomposition of dissolved ozone, besides superoxide ion radicals and the photo-induced holes. Six reaction pathways possibly exist for the generation of hydroxyl radicals in the reaction mechanism of heterogeneous photocatalytic ozonation.
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Affiliation(s)
- Jiadong Xiao
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Beijing 100190, China; Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yongbing Xie
- Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China; Beijing Engineering Research Center of Process Pollution Control, Beijing 100190, China.
| | - Hongbin Cao
- National Engineering Laboratory for Hydrometallurgical Cleaner Production Technology, Beijing 100190, China; Beijing Engineering Research Center of Process Pollution Control, Beijing 100190, China.
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32
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Wu W, Roy VAL. Recent progress in magnetic iron oxide-semiconductor composite nanomaterials as promising photocatalysts. NANOSCALE 2015; 7:38-58. [PMID: 25406760 DOI: 10.1039/c4nr04244a] [Citation(s) in RCA: 213] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Photocatalytic degradation of toxic organic pollutants is a challenging tasks in ecological and environmental protection. Recent research shows that the magnetic iron oxide-semiconductor composite photocatalytic system can effectively break through the bottleneck of single-component semiconductor oxides with low activity under visible light and the challenging recycling of the photocatalyst from the final products. With high reactivity in visible light, magnetic iron oxide-semiconductors can be exploited as an important magnetic recovery photocatalyst (MRP) with a bright future. On this regard, various composite structures, the charge-transfer mechanism and outstanding properties of magnetic iron oxide-semiconductor composite nanomaterials are sketched. The latest synthesis methods and recent progress in the photocatalytic applications of magnetic iron oxide-semiconductor composite nanomaterials are reviewed. The problems and challenges still need to be resolved and development strategies are discussed.
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Affiliation(s)
- Wei Wu
- Laboratory of Printable Functional Nanomaterials and Printed Electronics, School of Printing and Packaging, Wuhan University, Wuhan 430072, P. R. China.
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33
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Xue J, Ma S, Zhou Y, Zhang Z, Liu X. Fabrication of porous g-C3N4/Ag/Fe2O3 composites with enhanced visible light photocatalysis performance. RSC Adv 2015. [DOI: 10.1039/c5ra09978a] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Porous graphitic carbon nitride (pg-C3N4) synthetized by pyrolysis of urea was hybridized with Ag-doped Fe2O3 to form a visible-light-driven photocatalyst pg-C3N4/Ag/Fe2O3via a simple chemical adsorption method.
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Affiliation(s)
- Jinjuan Xue
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- P. R. China
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
| | - Shuaishuai Ma
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- P. R. China
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
| | - Yuming Zhou
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- P. R. China
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
| | - Zewu Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Nanjing 211189
- P. R. China
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
| | - Xiangyu Liu
- Hangzhou Silan Integrated Circuit Co., Ltd
- Hangzhou 310018
- P. R. China
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34
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Sun M, Zhao Q, Liu X, Du C, Liu Z. Comparative study on sandwich-structured SiO2@Ag@SnO2 and inverse SiO2@SnO2@Ag: key roles of shell ordering and interfacial contact in modulating the photocatalytic properties. RSC Adv 2015. [DOI: 10.1039/c5ra14336e] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Sandwich-structured SiO2@Ag@SnO2 and inverse SiO2@SnO2@Ag using SiO2 spheres as cores have been systematically synthesized through hydrothermal treatment.
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Affiliation(s)
- Menglin Sun
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot
- P. R. China
| | - Qihang Zhao
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot
- P. R. China
| | - Xiaoyan Liu
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot
- P. R. China
| | - Chunfang Du
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot
- P. R. China
| | - Zhiliang Liu
- College of Chemistry and Chemical Engineering
- Inner Mongolia University
- Hohhot
- P. R. China
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35
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Liu J, Wu W, Tian Q, Yang S, Sun L, Xiao X, Ren F, Jiang C, Roy VAL. Tube-like α-Fe2O3@Ag/AgCl heterostructure: controllable synthesis and enhanced plasmonic photocatalytic activity. RSC Adv 2015. [DOI: 10.1039/c5ra10247b] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Plasmonic photocatalysts coupled with semiconductors are one of the most popular combinations in environmental remediation applications.
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Affiliation(s)
- Jun Liu
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Wei Wu
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Qingyong Tian
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Shuanglei Yang
- Laboratory of Printable Functional Nanomaterials and Printed Electronics
- School of Printing and Packaging
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Lingling Sun
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Xiangheng Xiao
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Feng Ren
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Changzhong Jiang
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072
- P. R. China
| | - Vellaisamy A. L. Roy
- Department of Physics and Materials Science
- City University of Hong Kong
- Hong Kong SAR
- P. R. China
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36
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Zhang C, Zhou Y, Zhang Y, Wang Q, Xu Y. Synthesis and characterization of Pt magnetic nanocatalysts with a TiO2 or CeO2 layer. RSC Adv 2015. [DOI: 10.1039/c4ra14757j] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The Pt magnetic nanocatalysts with a TiO2 or CeO2 layer have been fabricated successfully.
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Affiliation(s)
- Chao Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
- Nanjing 211189
- China
| | - Yuming Zhou
- School of Chemistry and Chemical Engineering
- Southeast University
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
- Nanjing 211189
- China
| | - Yiwei Zhang
- School of Chemistry and Chemical Engineering
- Southeast University
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
- Nanjing 211189
- China
| | - Qianli Wang
- School of Chemistry and Chemical Engineering
- Southeast University
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
- Nanjing 211189
- China
| | - Yuanmei Xu
- School of Chemistry and Chemical Engineering
- Southeast University
- Jiangsu Optoelectronic Functional Materials and Engineering Laboratory
- Nanjing 211189
- China
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37
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Wu Z, Xue Y, Wang H, Wu Y, Yu H. ZnO nanorods/Pt and ZnO nanorods/Ag heteronanostructure arrays with enhanced photocatalytic degradation of dyes. RSC Adv 2014. [DOI: 10.1039/c4ra10753e] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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Tian Q, Wu W, Sun L, Yang S, Lei M, Zhou J, Liu Y, Xiao X, Ren F, Jiang C, Roy VAL. Tube-like ternary α-Fe2O3@SnO2@Cu2O sandwich heterostructures: synthesis and enhanced photocatalytic properties. ACS APPLIED MATERIALS & INTERFACES 2014; 6:13088-97. [PMID: 24991983 DOI: 10.1021/am5029439] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Heterogeneous photocatalysis is of great interest for environmental remediation applications. However, fast recombination of photogenerated electron-hole pair and a low utilization rate of sunlight hinder the commercialization of currently available semiconductor photocatalysts. In this regard, we developed a unique ternary single core-double shell heterostructure that consists of α-Fe2O3@SnO2@Cu2O. This heterostructure exhibits a tube-like morphology possessing broad spectral response for the sunlight due to the combination of narrow bandgap and wide bandgap semiconductors forming a p-n heterojunction. To fabricate such a short nanotube (SNT), we used an anion-assisted hydrothermal route for deposition of α-Fe2O3, a seed-mediated deposition strategy for SnO2, and finally an aging process to deposit a Cu2O layer to complete the tube-like ternary α-Fe2O3@SnO2@Cu2O single core-double shell heterostructures. The morphology, composition, and photocatalytic properties of those ternary core-shell-shell heterostructures were characterized by various analytical techniques. These ternary heterostructures exhibited enhanced photocatalytic properties on the photodegradation of the organic dye of Rhodamine B (RhB) under simulated sunlight irradiation. The origin of enhanced photocatalytic activity is due to the synergistic effect of broad spectral response by combining narrow bandgap and wide bandgap semiconductors and, hence, an efficient charge separation of photogenerated electron-hole pairs facilitated through the p-n heterojunction. Furthermore, our unique structure provides an insight on the fabrication and controlled preparation of multilayer heterostructural photocatalysts that have intriguing properties.
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Affiliation(s)
- Qingyong Tian
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University , Wuhan, Hubei 430072, P. R. China
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Zhou B, Yang S, Wu W, Sun L, Lei M, Pan J, Xiong X. Self-assemble SnO2@TiO2 porous nanowire–nanosheet heterostructures for enhanced photocatalytic property. CrystEngComm 2014. [DOI: 10.1039/c4ce01774a] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, semi-conducting one-dimensional SnO2@TiO2 heterostructures with unique properties are realized, suited to application in the photocatalysis field.
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Affiliation(s)
- Banghong Zhou
- State Key Laboratory for Powder Metallurgy
- Central South University
- Changsha 410083, PR China
| | - Shuanglei Yang
- State Key Laboratory for Powder Metallurgy
- Central South University
- Changsha 410083, PR China
| | - Wei Wu
- Laboratory of Printable Functional Nanomaterials and Printed Electronics
- School of Printing and Packaging
- Wuhan University
- Wuhan 430072, PR China
| | - Lingling Sun
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072, PR China
| | - Mei Lei
- Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education
- School of Physics and Technology
- Wuhan University
- Wuhan 430072, PR China
| | - Jun Pan
- State Key Laboratory for Powder Metallurgy
- Central South University
- Changsha 410083, PR China
| | - Xiang Xiong
- State Key Laboratory for Powder Metallurgy
- Central South University
- Changsha 410083, PR China
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