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Suhag MH, Khatun A, Tateishi I, Furukawa M, Katsumata H, Kaneco S. Purification of aqueous orange II solution through adsorption and visible-light-induced photodegradation using ZnO-modified g-C 3N 4 composites. RSC Adv 2024; 14:17888-17900. [PMID: 38836168 PMCID: PMC11149495 DOI: 10.1039/d4ra01481b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Accepted: 05/27/2024] [Indexed: 06/06/2024] Open
Abstract
Semiconductor-based remediation enables environmentally friendly methods of removing aqueous pollutants. Simply fabricated ZnO modified g-C3N4 composites were utilized as bifunctional adsorptive photocatalysts for orange II removal from aqueous solution through adsorption and photocatalysis processes. The adsorption isotherm data of the g-C3N4 (g-CN) and ZnO modified g-C3N4 (ZCN) composites on orange II solution were better fitted with the Langmuir isotherm compared to the Freundlich isotherm. The maximum adsorption capacity for ZCN-2.5 was slightly higher than that of bare g-CN. According to the adsorption thermodynamics investigation of ZCN-2.5 in orange II solution, the positive values of Gibb's free energy change (ΔG0) suggested a non-spontaneous adsorption process. Furthermore, the negative values of entropy change (ΔS) and enthalpy change (ΔH) indicated the decrement of randomness and exothermic nature during the adsorption process, respectively. The photocatalytic degradation kinetics of g-CN and ZCN composites indicated that the degradation process follows the pseudo-first-order reaction kinetic. The degradation rate of orange II with the ZCN-2.5 composite was 6.67 times higher than that obtained with bare g-CN. Possible adsorption and photocatalytic mechanisms have been proposed.
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Affiliation(s)
- Mahmudul Hassan Suhag
- Department of Applied Chemistry, Graduate School of Engineering, Mie University Tsu Mie 514-8507 Japan
- Department of Chemistry, University of Barishal Barishal 8254 Bangladesh
| | - Aklima Khatun
- Department of Applied Chemistry, Graduate School of Engineering, Mie University Tsu Mie 514-8507 Japan
| | - Ikki Tateishi
- Mie Global Environment Center for Education & Research, Mie University Tsu Mie 514-8507 Japan
| | - Mai Furukawa
- Department of Applied Chemistry, Graduate School of Engineering, Mie University Tsu Mie 514-8507 Japan
| | - Hideyuki Katsumata
- Department of Applied Chemistry, Graduate School of Engineering, Mie University Tsu Mie 514-8507 Japan
| | - Satoshi Kaneco
- Department of Applied Chemistry, Graduate School of Engineering, Mie University Tsu Mie 514-8507 Japan
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Shanmugam P, Smith SM, Boonyuen S, Luengnaruemitchai A. In-situ development of boron doped g-C 3N 4 supported SBA-15 nanocomposites for photocatalytic degradation of tetracycline. ENVIRONMENTAL RESEARCH 2023; 224:115496. [PMID: 36796602 DOI: 10.1016/j.envres.2023.115496] [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: 12/28/2022] [Revised: 02/03/2023] [Accepted: 02/12/2023] [Indexed: 06/18/2023]
Abstract
In this study, versatile boron-doped graphitic carbon nitride (gCN) incorporated mesoporous SBA-15 (BGS) composite materials were prepared by thermal polycondensation method using boric acid & melamine as a B-gCN source material and SBA-15 as mesoporous support. The prepared BGS composites are utilized sustainably using solar light as the energy source for the continuous flow of photodegradation of tetracycline (TC) antibiotics. This work highlights that the photocatalysts preparation was carried out with an eco-friendly strategy, solvent-free and without additional reagents. To alter the amount of boron quantity (0.124 g, 0.248 g, and 0.49 g) have to prepare three different composites using a similar procedure, the obtained composites viz., BGS-1, BGS-2 and BGS-3, respectively. The physicochemical property of the prepared composites was investigated by X-ray diffractometry, Fourier-transform infrared spectroscopy, Raman, Diffraction reflectance spectra, Photoluminescence, Brunauer-Emmett-Teller and transmission electron microscopy (TEM). The results shows that 0.24 g boron- loaded BGS composites degrade TC up to 93.74%, which is much higher than the rest of the catalyst. The addition of mesoporous SBA-15 incresed the specific surface area of the g-CN, and heteroatom of boron increased the interplanar stracking distance of g-CN, enlarged the optical absorption range, reducing the energy bandgap and enhanced the photocatalytic activity of TC. Additionally, the stability and recycling efficiency of the representative photocatalysts viz., BGS-2 was observed to be good even at the fifth cycle. The photocatalytic process using the BGS composites demonstrated to be capable candidate for the removal of tetracycline biowaste from aquesous media.
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Affiliation(s)
- Paramasivam Shanmugam
- Department of Chemistry, Faculty of Science and Technology, Thammasat University, Pathum Thani, 12120, Thailand
| | - Siwaporn Meejoo Smith
- Center of Sustainable Energy and Green Materials, And Department of Chemistry, Faculty of Science, Mahidol University, 999 Phuttamonthon 4 Road, Salaya, Nakhon Pathom, 73170, Nakhon Pathom, Thailand
| | - Supakorn Boonyuen
- Department of Chemistry, Faculty of Science and Technology, Thammasat University, Pathum Thani, 12120, Thailand.
| | - Apanee Luengnaruemitchai
- Center of Excellence in Catalysis for Bioenergy and Renewable Chemicals (CBRC), Chulalongkorn University, Bangkok, 10330, Thailand
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Kaur M, Yempally V, Kaur H. Sustainable magnetically recoverable Iridium-coated Fe 3O 4 nanoparticles for enhanced catalytic reduction of organic pollutants in water. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:56464-56483. [PMID: 36920618 DOI: 10.1007/s11356-023-26267-z] [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: 06/16/2022] [Accepted: 02/28/2023] [Indexed: 06/18/2023]
Abstract
The reduction of nitroarenes to aromatic amines is one of the potential pathways to remediate the hazardous impact of toxic nitroarenes on the aquatic environment. Aromatic amines obtained from the reduction of nitroaromatics are not only less toxic than nitroaromatics but also act as important intermediates in the synthesis of dyes, drugs, pigments, herbicides, and polymers. There is a huge demand for the development of cost-effective, and eco-friendly catalysts for the efficient reduction of nitroarenes. In the present study, Fe3O4@trp@Ir nanoparticles were explored as efficient catalysts for the reduction of nitroarenes. Fe3O4@trp@Ir magnetic nanoparticles were fabricated by surface coating of Fe3O4 with tryptophan and iridium by co-precipitation method. As-prepared Fe3O4@trp@Ir nanoparticles are environmentally benign efficient catalysts for reducing organic pollutants such as 4-nitrophenol (4-NP), 4-nitroaniline (4-NA), and 1-bromo-4-nitrobenzene (1-B-4-NB). The key parameters that affect the catalytic activity like temperature, catalyst loading, and the concentration of reducing agent NaBH4 were optimized. The obtained results proved that Fe3O4@trp@Ir is an efficient catalyst for reducing nitroaromatics at ambient temperature with a minimal catalyst loading of 0.0025%. The complete conversion of 4-nitrophenol to 4-aminophenol took only 20 s with a minimal catalyst loading of 0.0025% and a rate constant of 0.0522 s-1. The high catalytic activity factor (1.040 s-1 mg-1) and high turnover frequency (9 min-1) obtained for Fe3O4@trp@Ir nanocatalyst highlight the possible synergistic effect of the two metals (Fe and Ir). The visible-light photocatalytic degradation of 4-NP was also investigated in the presence of Fe3O4@trp@Ir. The photocatalytic degradation of 4-NP by Fe3O4@trp@Ir is completed in 20 min with 95.15% efficiency, and the rate of photodegradation of 4-NP (0.1507 min-1) is about twice the degradation rate of 4-NP in the dark (0.0755 min-1). The catalyst was recycled and reused for five cycles without significant reduction in the conversion efficiency of the catalyst.
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Affiliation(s)
- Manpreet Kaur
- Department of Applied Sciences, Punjab Engineering College (Deemed to Be University), Sector-12, Chandigarh, India
| | - Veeranna Yempally
- Department of Applied Sciences, Punjab Engineering College (Deemed to Be University), Sector-12, Chandigarh, India
| | - Harminder Kaur
- Department of Applied Sciences, Punjab Engineering College (Deemed to Be University), Sector-12, Chandigarh, India.
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Vadivel S, Fujii M, Rajendran S. Facile synthesis of broom stick like FeOCl/g-C 3N 5 nanocomposite as novel Z-scheme photocatalysts for rapid degradation of pollutants. CHEMOSPHERE 2022; 307:135716. [PMID: 35853514 DOI: 10.1016/j.chemosphere.2022.135716] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Revised: 06/27/2022] [Accepted: 07/11/2022] [Indexed: 06/15/2023]
Abstract
A simple and cost-effective route has been utilized for the preparation of a novel lamellar structured FeOCl/g-C3N5 nanocomposite as Z-scheme photocatalyst. The preparation method was performed under the ambient temperature conditions without any hazardous chemicals. Various characterization techniques, namely XRD, FESEM, TEM, FT-IR, UV-Vis, DRS, and PL were carried out to analyse the nanocomposite for confirmation of FeOCl/g-C3N5 nanocomposite. To evaluate its and visible light degradation performances tetracycline (T-C) was used as target pollutant. Among the optimum loading for the g-C3N5 incorporated FeOCl binary nanocomposites, the g-C3N5/FeOCl exhibited a superlative degradation performance toward the T-C antibiotic pollutant. The results confirmed that 95% of T-C was degraded within 40 min under photodegradation mechanism. The improved photodegradation performance in degradation of T-C was mainly due to the reduction in electron-hole recombination, broadening in the light absorption by g-C3N5 incorporation, which leads to shortening the degradation time. Furthermore, the hydroxyl and superoxide radicals played a major role in the photodegradation process and the possible mechanism was elucidated and proposed. The present work implies a novel, sustainable, and efficient Z-scheme system that may deliver a convenient method for environment remediation.
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Affiliation(s)
- Sethumathavan Vadivel
- Department of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8552, Japan.
| | - Manabu Fujii
- Department of Civil and Environmental Engineering, Tokyo Institute of Technology, Meguro-ku, Tokyo, 152-8552, Japan.
| | - Saravanan Rajendran
- Departamento de Ingeniería Mecánica, Facultad de Ingeniería, Universidad de Tarapacá, Avda. General Velásquez, 1775, Arica, Chile
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Rana A, Sudhaik A, Raizada P, Nguyen VH, Xia C, Parwaz Khan AA, Thakur S, Nguyen-Tri P, Nguyen CC, Kim SY, Le QV, Singh P. Graphitic carbon nitride based immobilized and non-immobilized floating photocatalysts for environmental remediation. CHEMOSPHERE 2022; 297:134229. [PMID: 35259362 DOI: 10.1016/j.chemosphere.2022.134229] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 02/18/2022] [Accepted: 03/03/2022] [Indexed: 06/14/2023]
Abstract
In solar photocatalysis, light utilization and recycling of powder from reaction solution are the main obstructions that hinder the photocatalytic efficacy of any photocatalyst. In this respect, a floatable system is effective for efficient solar photocatalysis by light utilization. Due to the maximum solar light absorption property, floating nanocomposite photocatalyst is an appealing substitute for effective wastewater treatment. Floating photocatalysts are a non-oxygenated and non-stirred solution that is a good light harvester, stable, non-toxic, biodegradable, naturally abundant in nature. They also have low density, a simple preparation process, no need to stir, and high porosity. Due to these characteristics, floating photocatalysts are widely favored and ideal candidates for practical environmental remediation. Several researchers have come up with new and innovative ways for immobilizing capable photocatalyst on a floatable substrate to produce floating nanocomposite photocatalytic material. In recent decades, g-C3N4-based floating photocatalysts have gained a lot of attention as g-C3N4 is a visible light active photocatalyst with unique and exceptional properties. It also has good photocatalytic activity in waste water treatment and environmental remediation. Many previous reports have studied the logical design and manufacturing method for heterojunction floating photocatalysts and immobilized floating photocatalysts. Based on those studies, we have focused on the g-C3N4 based immobilized and non-immobilized floating photocatalysts for pollutant degradation. We have also categorized immobilized floating photocatalyst based on several lightweight substrates such as expanded perlite and glass microbead. In addition, future challenges have been discussed to maximize solar light absorption and to improve the efficiency of broadband response floating photocatalysts. Floating photocatalysis is an advanced technique in energy conversion and environmental remediation thus requires special consideration.
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Affiliation(s)
- Anchal Rana
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Anita Sudhaik
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Pankaj Raizada
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Van-Huy Nguyen
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Aftab Aslam Parwaz Khan
- Center of Excellence for Advanced Materials Research, King Abdulaziz University, P. O. Box 80203, Jeddah, 21589, Saudi Arabia; Chemistry Department, Faculty of Science, King Abdulaziz University, P. O. Box 80203, Jeddah, 21589, Saudi Arabia
| | - Sourbh Thakur
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, B. Krzywoustego 4, 44-100, Gliwice, Poland
| | - Phuong Nguyen-Tri
- Laboratory of Advanced Materials for Energy and Environment, Université Du Québec à Trois-Rivières (UQTR), 3351, boul. des Forges, C.P. 500, Trois-Rivières, Québec, G9A 5H7, Canada
| | - Chinh Chien Nguyen
- Institute of Research and Development, Duy Tan University, Da Nang, 550000, Viet Nam; Faculty of Environmental Chemical Engineering, Duy Tan University, Da Nang, 550000, Viet Nam
| | - Soo Young Kim
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea
| | - Quyet Van Le
- Department of Materials Science and Engineering, Korea University, 145, Anam-ro Seongbuk-gu, Seoul, 02841, Republic of Korea.
| | - Pardeep Singh
- School of Advanced Chemical Sciences, Shoolini University, Solan, HP, 173229, India.
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Yin M, Liu C, Ge R, Fang Y, Wei J, Chen X, Chen Q, Chen X. Paper-supported near-infrared-light-triggered photoelectrochemical platform for monitoring Escherichia coli O157:H7 based on silver nanoparticles-sensitized-upconversion nanophosphors. Biosens Bioelectron 2022; 203:114022. [DOI: 10.1016/j.bios.2022.114022] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 11/26/2021] [Accepted: 01/17/2022] [Indexed: 12/14/2022]
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Yang X, Zhang L, Wang D, Zhang Q, Zeng J, Zhang R. Facile synthesis of nitrogen-defective g-C 3N 4 for superior photocatalytic degradation of rhodamine B. RSC Adv 2021; 11:30503-30509. [PMID: 35479857 PMCID: PMC9041096 DOI: 10.1039/d1ra05535f] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Accepted: 09/07/2021] [Indexed: 01/26/2023] Open
Abstract
Developing a new photocatalyst for fast and highly efficient organic dye degradation plays an essential role in wastewater treatment. In this study, a photocatalyst graphite phase carbon nitride (g-C3N4) containing nitrogen defects (CN) is reported for the degradation of rhodamine B (RhB). The porous g-C3N4 photocatalyst is facilely synthesized through a polycondensation method and then characterized by X-ray diffraction (XRD), infrared spectroscopy (FT-IR), field emission scanning electron microscopy (FESEM), N2 isotherm adsorption line, and X-ray photoelectron spectroscopy (XPS). The photocatalytic activity of the g-C3N4 is evaluated through the degradation of RhB under visible light irradiation. The results show that photocatalytic activity of the nitrogen-defective g-C3N4 can be improved by optimizating washing conditions, including washing temperature, washing dosage, drying time, and drying temperature. With the prepared nitrogen-defective g-C3N4, decolourization of RhB is able to be completed within 20 minutes, in which the degradation rate is 1.7 times higher than that of bulk g-C3N4. Moreover, the nitrogen-defective g-C3N4 has high stability and reusability in the degradation of RhB. Photocatalytic degradation mechanism investigations by ultraviolet-visible absorption spectroscopy, radical trapping experiments and high-performance liquid chromatography (HPLC) reveal that RhB achieved complete mineralization through the photocatalytic degradation reaction mediated by superoxide radicals (˙O2−). This work thus provides a new approach for the preparation of photocatalysts for organic pollutants treatment in wastewater samples. Nitrogen-defective g-C3N4 is synthesized and characterized as the photocatalyst for degradation of organic dyes, such as rhodamine B, in wastewater.![]()
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Affiliation(s)
- Xiupei Yang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University Nanchong 637000 China
| | - Lin Zhang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University Nanchong 637000 China
| | - Dan Wang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University Nanchong 637000 China
| | - Qian Zhang
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University Nanchong 637000 China
| | - Jie Zeng
- College of Chemistry and Chemical Engineering, Chemical Synthesis and Pollution Control Key Laboratory of Sichuan Province, China West Normal University Nanchong 637000 China
| | - Run Zhang
- Australian Institute for Bioengineering and Nanotechnology, The University of Queensland Brisbane Queensland 4072 Australia
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Liu Y, Cheng S, Zhan S, Wu X. Manipulating Energy Transfer in UCNPs@SiO 2@Ag Nanoparticles for Efficient Infrared Photocatalysis. Inorg Chem 2021; 60:5704-5710. [PMID: 33787230 DOI: 10.1021/acs.inorgchem.0c03759] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Conventional photocatalysts must be activated by ultraviolet or visible light to meet the energy requirement of populating an initial excited state, while infrared light has a high penetration depth to reaction media but does not have enough photon energy to activate conventional photocatalysts. Here, we report the activation of Ag nanoparticles by upconversion nanoparticles (UCNPs) in UCNPs@SiO2@Ag with manipulated energy transfer for infrared photocatalysis. UCNPs can efficiently convert infrared light to visible and ultraviolet light and are very ideal candidates for bridging the advantage of infrared light and the activation energy requirement of conventional photocatalysts. In the UCNPs@SiO2@Ag nanosystem, we employ the UCNPs to activate conventional Ag nanoparticles under infrared light irradiation. The evanescent field of UCNPs is confined for enhancing the near-field energy-transfer efficiency using a designed core/shell heterostructure, while a SiO2 layer is used for blocking the phonon exchange of thermal vibration between photon upconverters and Ag nanoparticles. Based on the manipulated energy transfer, UCNPs@SiO2@Ag nanoparticles exhibit efficient photocatalytic activity under the irradiation of 980 nm infrared light, while single Ag nanoparticles have negligible catalytic activity under infrared irradiation.
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Affiliation(s)
- Yunxin Liu
- College of Computer and Information Engineering, Hunan University of Technology and Business, Changsha 410205, China
| | - Shengbin Cheng
- Department of Physics and Electronic Science, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Shiping Zhan
- Department of Physics and Electronic Science, Hunan University of Science and Technology, Xiangtan 411201, China
| | - Xiaofeng Wu
- College of Computer and Information Engineering, Hunan University of Technology and Business, Changsha 410205, China
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Xue M, Wang X, Li X, Qin L, Han S, Kang SZ. C3N4 nanosheets loaded with the CuWO4 activated NiS co-catalyst: A stable noble metal-free photocatalyst with dramatic photocatalytic activity for H2 generation and high salinity tolerant. J Photochem Photobiol A Chem 2021. [DOI: 10.1016/j.jphotochem.2020.112919] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Dang Y, Hu Q, He P, Ren T. Tailoring the ratio of ammonium chloride and graphitic carbon nitride for high photocatalytic activity. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.127961] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Ansari S, Khorshidi A, Shariati S. Chemoselective reduction of nitro and nitrile compounds using an Fe3O4-MWCNTs@PEI-Ag nanocomposite as a reusable catalyst. RSC Adv 2020; 10:3554-3565. [PMID: 35497750 PMCID: PMC9048720 DOI: 10.1039/c9ra09561f] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Accepted: 01/16/2020] [Indexed: 11/21/2022] Open
Abstract
Chemoselective reductions by an Fe3O4-MWCNTs@PEI-Ag nanocomposite.
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Affiliation(s)
- Sara Ansari
- Department of Chemistry
- Faculty of Sciences
- University of Guilan
- Iran
| | | | - Shahab Shariati
- Department of Chemistry
- Rasht Branch
- Islamic Azad University
- Rasht
- Iran
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