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Meena PL, Surela AK. Review on polyaniline-based nanocomposite heterogeneous catalysts for catalytic reduction of hazardous water pollutants. RSC Adv 2024; 14:26801-26819. [PMID: 39184004 PMCID: PMC11342828 DOI: 10.1039/d4ra02550d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2024] [Accepted: 08/05/2024] [Indexed: 08/27/2024] Open
Abstract
Water contamination by highly toxic substances has generated serious ecological disturbances and health problems for humans. Hence, decontamination of toxic pollutants using advanced, inexpensive, and eco-friendly approaches is the current demand. Heterogeneous catalyst-based catalytic reduction processes have offered the opportunity to transform hazardous water pollutants into non-hazardous products via sustainable, eco-friendly, and efficient routes and might be a competitive substitute for existing traditional water purification techniques. However, the key challenges linked with pure heterogeneous catalysts include agglomeration and poor dispersion, stability, recovery, and reusability, which result in poor activity and efficiency. Thus, it is essential to produce multipurpose polymer-based composite catalysts using conducting polymers, which are exceptionally good supportive and matrix materials. The blending of metal-based nanomaterials with polyaniline conducting polymers produces highly stable and efficient heterogeneous nanocomposite catalysts with amazing catalytic activity against a wide range of water pollutants. The heterogeneous catalytic reductive degradation of immensely toxic pollutant water has gained substantial curiosity because of its excellent physicochemical and surface characteristics, porous structure, recoverability, and recyclability. Therefore, this review presents the latest efforts to generate various polyaniline-based nanocomposite catalysts using a polyaniline matrix and various nanofiller materials and their potential applications in heterogeneous catalytic reduction degradation of water pollutants.
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Affiliation(s)
| | - Ajay Kumar Surela
- Department of Chemistry, University of Rajasthan Jaipur 302004 India
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2
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Koyale PA, Mulik SV, Gunjakar JL, Dongale TD, Koli VB, Mullani NB, Sutar SS, Kapdi YG, Soni SS, Delekar SD. Synergistic Enhancement of Water-Splitting Performance Using MOF-Derived Ceria-Modified g-C 3N 4 Nanocomposites: Synthesis, Performance Evaluation, and Stability Prediction with Machine Learning. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:13657-13668. [PMID: 38875497 DOI: 10.1021/acs.langmuir.4c01336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2024]
Abstract
Diminishing the charge recombination rate by improving the photoelectrochemical (PEC) performance of graphitic carbon nitride (g-C3N4) is essential for better water oxidation. In this concern, this research explores the competent approach to enhance the PEC performance of g-C3N4 nanosheets (NSs), creating their nanocomposites (NCs) with metal-organic framework (MOF)-derived porous CeO2 nanobars (NBs) along with ZnO nanorods (NRs) and TiO2 nanoparticles (NPs). The synthesis involved preparing CeO2 NBs and g-C3N4 NSs through the calcination of respective precursors, while the sol-gel method is employed for ZnO NRs and TiO2 NPs. Following the subsequent analysis of the physicochemical properties of the materials, the binder-free brush-coating method is deployed to fabricate NC-based photoanodes, followed by an evaluation of the PEC performance through various electrochemical techniques. Remarkably, the binary g-C3N4/CeO2 NCs with 20 wt % CeO2 NBs (gC20 NCs) exhibited a significantly enhanced current density of 0.460 mA/cm2 at 1.23 V vs reversible hydrogen electrode, which is 2.3 times greater than that of bare g-C3N4 NSs (0.195 mA/cm2). Further improvements are observed with ternary gC20/TiO2 (gCT50) and gC20/ZnO (gCZ50) NCs, achieving current densities of 1.810 and 1.440 mA/cm2, respectively. These enhanced current densities are attributed to increased donor densities, reduced charge transfer resistances, and efficient charge transport within the NCs. In addition, higher surface areas with beneficial instinctive defects are perceived for gCT50 and gCZ50 NCs, as revealed by Brunauer-Emmett-Teller and electron spin resonance analysis. Finally, the stability of gCZ50 and gCT50 NC-based photoanodes is predicted and forecasted with the help of the recurrent neural network-based long short-term memory technique. Overall, this study demonstrates the efficacy of organic-inorganic hybrids for efficient photoanodes, facilitating advancements in water-splitting studies.
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Affiliation(s)
- Pramod A Koyale
- Department of Chemistry, Shivaji University, Kolhapur, Maharashtra 416004, India
| | - Swapnajit V Mulik
- Department of Chemistry, Shivaji University, Kolhapur, Maharashtra 416004, India
- Department of Chemistry, Dattajirao Kadam Arts, Science and Commerce College, Ichalkaranji, Maharashtra 416115, India
| | - Jayavant L Gunjakar
- Centre for Interdisciplinary Research, D. Y. Patil Education Society, Kolhapur, Maharashtra 416006, India
| | - Tukaram D Dongale
- School of Nanoscience and Biotechnology, Shivaji University, Kolhapur, Maharashtra 416004, India
| | - Valmiki B Koli
- School of Nanoscience and Biotechnology, Shivaji University, Kolhapur, Maharashtra 416004, India
| | - Navaj B Mullani
- Centre for Research on Adaptive Nanostructures and Nanodevices (CRANN), Advanced Materials and Bioengineering Research (AMBER) Research Centers, School of Physics, Trinity College Dublin, Dublin D02 PN40, Ireland
| | - Santosh S Sutar
- Yashwantrao Chavan School of Rural Development, Shivaji University, Kolhapur, Maharashtra 416004, India
| | - Yash G Kapdi
- Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar, Anand, Gujarat 388120, India
| | - Saurabh S Soni
- Department of Chemistry, Sardar Patel University, Vallabh Vidyanagar, Anand, Gujarat 388120, India
| | - Sagar D Delekar
- Department of Chemistry, Shivaji University, Kolhapur, Maharashtra 416004, India
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Tumuluri K, Abu-Dahrieh JK, Mathiyalagan K, Munusamy Kalidhas A, Perumal T, Srinivasan S, Mangesh VL, Siva Kumar N, Alreshaidan SB, Chandrasekaran K, Arunachalam V, Al-Fatesh AS. Selective Oxidation of Cyclohexene over the Mesoporous H-Beta Zeolite on Copper/Nickel Bimetal Catalyst in Continuous Reactor. ACS OMEGA 2024; 9:25800-25811. [PMID: 38911787 PMCID: PMC11191118 DOI: 10.1021/acsomega.3c10503] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/30/2023] [Revised: 05/22/2024] [Accepted: 05/22/2024] [Indexed: 06/25/2024]
Abstract
The copper/nickel-metal on commercial H-Beta zeolite supports was synthesized with different wt % (Ni) of 5, 10, 15, and 20, and was used in the cyclohexene epoxidation process. The synthesized catalyst has been used in a continuous reactor for the cyclohexene epoxidation process, with mild conditions and H2O2 as an oxidant. The catalytic performance was ascertained by adjusting parameters such as the temperature, pressure, WHSV, reaction time, and solvents. The catalytic performance showed the resulting yield in both cyclohexene conversion and selectivity was more than 98.5%. The catalyst's textural attributes, morphology, chemical composition, and stability were determined using FT-IR, XRD, BET, HR-SEM, and TPD. The most active catalyst among those that were synthesized was evaluated, and the reaction parameters were selected to optimize yield and conversion. The H-Beta/Cu/Ni (15%) catalyst has the best conversion (98.5%) and selectivity (100%) for cyclohexene among the catalysts examined. Cu and Ni(15%) metals were successfully added to the H-Beta zeolite, causing little damage to the crystalline structure and resulting in good reusability over five cycles, as well as little loss of catalytic selectivity. Acetonitrile was the solvent that provided the highest conversion and selectivity among the others. These findings show that H-Beta/Cu/Ni bimetallic catalysts have the potential to be effective epoxidation catalysts. Because of their outstanding conversion and selectivity, the continuous reaction technique used in this work makes them appropriate for industrial production-level applications.
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Affiliation(s)
- Kanthimathi Tumuluri
- Department
of Mechanical Engineering, Koneru Lakshmaiah
Education Foundation, Vaddeswaram, Guntur, Andhra Pradesh 522502, India
| | - Jehad K. Abu-Dahrieh
- School
of Chemistry and Chemical Engineering, Queen’s
University Belfast, Belfast BT9 5AG, U.K.
| | - Kulothungan Mathiyalagan
- Department
of Chemistry, Dwaraka Doss Goverdhan Doss
Vaishnav College (Autonomous) (Affiliated to the University of Madras,
Chennai), 833, Gokul Bagh, E.V.R. Periyar Road, Arumbakkam, Chennai 600 106, Tamil Nadu, India
| | - Aravindan Munusamy Kalidhas
- Department
of Mechanical Engineering, Faculty of Engineering and Technology, Jain Deemed to Be University, Bengaluru 560004, India
| | - Tamizhdurai Perumal
- Department
of Chemistry, Dwaraka Doss Goverdhan Doss
Vaishnav College (Autonomous) (Affiliated to the University of Madras,
Chennai), 833, Gokul Bagh, E.V.R. Periyar Road, Arumbakkam, Chennai 600 106, Tamil Nadu, India
| | - Santhosh Srinivasan
- Department
of Chemistry, Dwaraka Doss Goverdhan Doss
Vaishnav College (Autonomous) (Affiliated to the University of Madras,
Chennai), 833, Gokul Bagh, E.V.R. Periyar Road, Arumbakkam, Chennai 600 106, Tamil Nadu, India
| | | | - Nadavala Siva Kumar
- Department
of Chemical Engineering, College of Engineering,
King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
| | - Salwa B. Alreshaidan
- Department
of Chemistry, Faculty of Science, King Saud
University, P.O. Box
800, Riyadh 11451, Saudi Arabia
| | - Kavitha Chandrasekaran
- Department
of Chemistry, Dwaraka Doss Goverdhan Doss
Vaishnav College (Autonomous) (Affiliated to the University of Madras,
Chennai), 833, Gokul Bagh, E.V.R. Periyar Road, Arumbakkam, Chennai 600 106, Tamil Nadu, India
| | - Vijayaraj Arunachalam
- Department
of Chemistry, Dwaraka Doss Goverdhan Doss
Vaishnav College (Autonomous) (Affiliated to the University of Madras,
Chennai), 833, Gokul Bagh, E.V.R. Periyar Road, Arumbakkam, Chennai 600 106, Tamil Nadu, India
| | - Ahmed S. Al-Fatesh
- Department
of Chemical Engineering, College of Engineering,
King Saud University, P.O. Box 800, Riyadh 11421, Saudi Arabia
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Narayanan V, Mandal BK. Type-II ternary Bi 2WO 6/rGO/SnFe 2O 4 heterojunction nanocomposites and their photocatalytic efficiency towards 4-nitrophenol reduction. RSC Adv 2023; 13:22616-22629. [PMID: 37501773 PMCID: PMC10369044 DOI: 10.1039/d3ra03647b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/19/2023] [Indexed: 07/29/2023] Open
Abstract
In this study, tin ferrite (SnFe2O4-spinel) and bismuth tungstate (Bi2WO6) encapsulated on reduced graphene oxide (rGO) were synthesised using the hydrothermal method. This heterostructure nanocomposite was characterised using Fourier transform infrared spectroscopy (FT-IR), Ultraviolet-visible spectroscopy (UV-Vis), powder X-ray diffraction (XRD), Scanning electron microscopy (SEM), FT-Raman Spectroscopy (FT-Raman) and X-ray photoelectron spectroscopy (XPS) methods. The powder XRD results showed an increase in lattice parameters and a decrease in size when SnFe2O4 and Bi2WO6 were encapsulated on rGO. The catalytic activity of the type-II ternary Bi2WO6/rGO/SnFe2O4 heterojunction nanocomposite was checked using a model reduction reaction of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP) in the presence of NaBH4 as the reducing agent under light exposure. Bi2WO6/rGO/SnFe2O4 showed better catalytic efficiency than the individual components like SnFe2O4, rGO/SnFe2O4, Bi2WO6, rGO/Bi2WO6 and Bi2WO6/SnFe2O4 nanocomposites. Thus, the type-II ternary Bi2WO6/rGO/SnFe2O4 heterojunction nanocatalyst with better surface area and lower surface energy could be considered as a promising UV-light sensitive catalyst for the detoxification of various environmental pollutants and for other environmental remediations.
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Affiliation(s)
- Vani Narayanan
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology Vellore - 632014 TN India
| | - Badal Kumar Mandal
- Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology Vellore - 632014 TN India
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5
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Ji F, Wu Y, Pumera M, Zhang L. Collective Behaviors of Active Matter Learning from Natural Taxes Across Scales. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2203959. [PMID: 35986637 DOI: 10.1002/adma.202203959] [Citation(s) in RCA: 15] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2022] [Revised: 07/23/2022] [Indexed: 06/15/2023]
Abstract
Taxis orientation is common in microorganisms, and it provides feasible strategies to operate active colloids as small-scale robots. Collective taxes involve numerous units that collectively perform taxis motion, whereby the collective cooperation between individuals enables the group to perform efficiently, adaptively, and robustly. Hence, analyzing and designing collectives is crucial for developing and advancing microswarm toward practical or clinical applications. In this review, natural taxis behaviors are categorized and synthetic microrobotic collectives are discussed as bio-inspired realizations, aiming at closing the gap between taxis strategies of living creatures and those of functional active microswarms. As collective behaviors emerge within a group, the global taxis to external stimuli guides the group to conduct overall tasks, whereas the local taxis between individuals induces synchronization and global patterns. By encoding the local orientations and programming the global stimuli, various paradigms can be introduced for coordinating and controlling such collective microrobots, from the viewpoints of fundamental science and practical applications. Therefore, by discussing the key points and difficulties associated with collective taxes of different paradigms, this review potentially offers insights into mimicking natural collective behaviors and constructing intelligent microrobotic systems for on-demand control and preassigned tasks.
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Affiliation(s)
- Fengtong Ji
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, 999077, China
| | - Yilin Wu
- Department of Physics, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, 999077, China
| | - Martin Pumera
- Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava, 17. listopadu 2172/15, Ostrava, 70800, Czech Republic
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, 03722, Korea
| | - Li Zhang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin, New Territories, Hong Kong, 999077, China
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6
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Morales MV, Conesa JM, Galvin AJ, Guerrero-Ruiz A, Rodríguez-Ramos I. Selective hydrogenation reactions of 5-hydroxymethylfurfural over Cu and Ni catalysts in water: effect of Cu and Ni combination and the reagent purity. Catal Today 2023. [DOI: 10.1016/j.cattod.2023.01.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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7
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Synthesis of Polymer-Metal Oxide (PANI/ZnO/MnO2) Ternary Nanocomposite for Effective Removal of Water Pollutants. RESULTS IN CHEMISTRY 2023. [DOI: 10.1016/j.rechem.2023.100764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
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8
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C A A, P N, K K, G VS. Bio-based cellulose supported copper oxide nanoparticles for the reduction of nitro-aromatic compounds. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2022.121243] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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9
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Ye B, Zhao Z, Liu H. Photocatalytic degradation of Estrone and Congo red by the magnetic antibacterial photocatalyst g-C3N4/CeO2/M-rGO under visible light and optimization by Box-Behnken statistical design (BBD). J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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10
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Xu J, Duan X, Zhang P, Niu Q, Dai S. Processing Poly (ethylene terephthalate) Waste into Functional Carbon Materials by Mechanochemical Extrusion. CHEMSUSCHEM 2022; 15:e202201576. [PMID: 36107132 DOI: 10.1002/cssc.202201576] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/15/2022] [Indexed: 06/15/2023]
Abstract
With the plastic pollution becoming worse, the upcycling of plastic waste into functional materials is a great challenge. Herein, a mechanochemical extrusion approach was developed for processing poly(ethylene terephthalate) (PET) waste into porous carbon materials. The essence of the cyclic extrusion approach lies in the solvent-free mixing of thermoplastic PET with pore-directing additive (e. g., silica or zinc chloride) at the molecular level. PET waste could be upcycled into functional carbon with high surface area (up to 1001 m2 g-1 ), specific shapes, and preferred mechanical strength, after cyclic extrusion and carbonization. Moreover, metal species could be well dispersed onto porous carbons through solvent-free extrusion, different from traditional loading methods (impregnation method, deposition-precipitation method). In this manner, mechanochemical extrusion provides an alternative for upcycling plastic waste into value-added materials.
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Affiliation(s)
- Jialu Xu
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Xiaolan Duan
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
| | - Pengfei Zhang
- School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai, 200240, P. R. China
- State Key Laboratory of High-efficiency Utilization of Coal and Green Chemical Engineering, College of Chemistry and Chemical Engineering, Ningxia University, Yinchuan, 750021, P. R. China
| | - Qiang Niu
- Inner Mongolia Erdos Power and Metallurgy Group Co., Ltd., Ordos, 017010, Inner Mongolia, P. R. China
| | - Sheng Dai
- Chemical Sciences Division, Oak Ridge National Lab, Oak Ridge, 37830 TN, United States
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11
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Meena PL, Surela AK, Saini JK, Chhachhia LK. Millettia pinnata plant pod extract-mediated synthesis of Bi 2O 3 for degradation of water pollutants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:79253-79271. [PMID: 35708808 DOI: 10.1007/s11356-022-21435-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
In this study, plant extract obtained from pods of Millettia pinnata plant species was employed for nanosynthesis of Bi2O3. The as-synthesized semiconductor metal oxide nanoparticles were analyzed using various characterization tools such as X-ray diffraction (XRD), Scanning electron microscope (SEM), ultra violet-visible (UV-Vis), Fourier transform infrared (FTIR), Zeta potential, Raman, and X-ray photoelectron spectroscopy (XPS). The characterization results designate the formation of α and β forms of Bi2O3. FESEM images demonstrate rod and flake-like nanostructures ranging from 25 to 70 nm. The green synthesized nanomaterial was found efficient for reduction of 4-nitro phenol (4-NP) and 4-nitro aniline (4-NA). However, it showed better performance toward the reduction of 4-NA. Photocatalytic investigations demonstrated that the green synthesized nanophotocatalyst was capable in degrading Amido Black 10B (AB-10B) dye efficiently under visible light illumination. 98.83% degradation of AB-10B dye was achieved within 120 min of irradiation under optimum conditions of photocatalyst dose and dye concentration. Active species trapping experiments revealed prominent role of superoxide radicals (•O2-) while hydroxyl radicals (•OH) played considerable role in the AB-10B photocatalytic degradation process. Moreover, the photostability and reusability assessment study ascertained good performance of the catalyst after four runs of successive cycles.
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Affiliation(s)
| | - Ajay Kumar Surela
- Department of Chemistry, University of Rajasthan, Jaipur, 302004, India
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12
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PANI/Bi2O3 polymeric nanocomposite for the reduction of 4-nitrophenol. Polym Bull (Berl) 2022. [DOI: 10.1007/s00289-022-04457-y] [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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13
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P(HMA-co-ATU) hydrogel synthesis via gamma radiation and its use for in situ metal nanoparticle preparation and as catalyst in 4-nitrophenol reduction. Radiat Phys Chem Oxf Engl 1993 2022. [DOI: 10.1016/j.radphyschem.2022.110217] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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14
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Shaw M, Samanta D, Bera S, Mahto MK, Salam Shaik MA, Konar S, Mondal I, Dhara D, Pathak A. Role of Surface Oxygen Vacancies and Oxygen Species on CuO Nanostructured Surfaces in Model Catalytic Oxidation and Reductions: Insight into the Structure-Activity Relationship Toward the Performance. Inorg Chem 2022; 61:14568-14581. [PMID: 35914234 DOI: 10.1021/acs.inorgchem.2c01467] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Defect engineering, such as modification of oxygen vacancy density, has been considered as an effective approach to tailor the catalytic performance on transition-metal oxide nanostructured surfaces. The role of oxygen vacancies (OV) on the surface of the as-prepared, zinnia-shaped morphology of CuO nanostructures and their marigold forms on calcination at 800 °C has been investigated through the study of model catalytic reactions of reduction of 4-nitrophenol and aerobic oxidation of benzyl alcohol. The OV on the surfaces of different morphologies of CuO have been identified and quantified through Rietveld analysis and HRTEM, EPR, and XPS studies. The structure-activity relationships between surface oxygen vacancies (OV) and catalytic performance have been systematically investigated. The enhanced catalytic performance of the cubic CuO nanostructures compared to their as-prepared forms has been attributed to the formation of surface oxygen species on the reactive and dominant (110) surface that has low oxygen vacancy formation energy. The mechanistic role of surface oxygen species in the studied reactions has been quantitatively correlated with the catalytic activity of the different morphological forms of the CuO nanostructures.
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Affiliation(s)
- Manisha Shaw
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Dipanjan Samanta
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Sharmita Bera
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Madhusudan Kr Mahto
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Md Abdus Salam Shaik
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Suraj Konar
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India.,Department of Chemistry, R.D. & D.J. College, Munger, Bihar 811201, India
| | - Imran Mondal
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Dibakar Dhara
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
| | - Amita Pathak
- Department of Chemistry, Indian Institute of Technology Kharagpur, Kharagpur, West Bengal 721302, India
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Single-Step Synthesized Functionalized Copper Carboxylate Framework Meshes as Hierarchical Catalysts for Enhanced Reduction of Nitrogen-Containing Phenolic Contaminants. Catalysts 2022. [DOI: 10.3390/catal12070765] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
Nitrogen-containing phenolic contaminants (NCPCs) represent typical pollutants of industrial wastewaters. As catalytic reduction of NCPCs is a useful technique and Cu is an efficient metal catalyst, Cu-carboxylate frameworks (CuCF) are favorable materials. However, they are in powder form, making them difficult to use; thus, in this study, CuCF was grown on macroscale supports. Herein, we present a facile approach to develop such a CuCF composite by directly using a Cu mesh to grow CuCF on the mesh through a single-step electrochemical synthesis method, forming CuCF mesh (CFM). CFM could be further modified to afford CuCF mesh with amines (NH2) (CFNM), and CuCF mesh with carboxylates (COOH) (CFCM). These CuCF meshes are compared to investigate how their physical and chemical characteristics influenced their catalytic behaviors for reduction/hydrogenation of NPCPs, including nitrophenols (NPs) and dyes. Their nanostructures and surface properties influence their behaviors in catalytic reactions. In particular, CFCM appears to be the most efficient mesh for catalyzing 4-NP, with a much higher rate constant. CFCM also shows a significantly lower Ea (28.1 kJ/mol). CFCM is employed for many consecutive cycles, as well as convenient filtration-type 4-NP reduction. These CuCF meshes can also be employed for decolorization of methylene blue and methyl orange dyes via catalytic hydrogenation.
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16
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Layered Double Hydroxide/Nanocarbon Composites as Heterogeneous Catalysts: A Review. CHEMENGINEERING 2022. [DOI: 10.3390/chemengineering6040045] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
The synthesis and applications of composites based on layered double hydroxides (LDHs) and nanocarbons have recently seen great development. On the one hand, LDHs are versatile 2D compounds that present a plethora of applications, from medicine to energy conversion, environmental remediation, and heterogeneous catalysis. On the other, nanocarbons present unique physical and chemical properties owing to their low-dimensional structure and sp2 hybridization of carbon atoms, which endows them with excellent charge carrier mobility, outstanding mechanical strength, and high thermal conductivity. Many reviews described the applications of LDH/nanocarbon composites in the areas of energy and photo- and electro-catalysis, but there is still scarce literature on their latest applications as heterogeneous catalysts in chemical synthesis and conversion, which is the object of this review. First, the properties of the LDHs and of the different types of carbon materials involved as building blocks of the composites are summarized. Then, the synthesis methods of the composites are described, emphasizing the parameters allowing their properties to be controlled. This highlights their great adaptability and easier implementation. Afterwards, the application of LDH/carbon composites as catalysts for C–C bond formation, higher alcohol synthesis (HAS), oxidation, and hydrogenation reactions is reported and discussed in depth.
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17
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Feng D, Wei Z, Wang Q, Feng A, Zhang H. Controllable Synthesis of Cobalt-Containing Nanosheet Array-Like Ternary CuCoAl-LDH/rGO Hybrids To Boost the Catalytic Efficiency for 4-Nitrophenol Reduction. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24265-24280. [PMID: 35604135 DOI: 10.1021/acsami.2c01637] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
A series of Co-doped ternary CuxCo3-xAl-layered double hydroxide (LDH)/rGO nanosheet array hybrids (x = 0.5, 1.0, 1.5, and 2.0) were successfully prepared using the preconditioned pH value aqueous-phase coprecipitation strategy. The CuxCo3-xAl-LDH/rGO hybrids are featured as hexagonal CuCoAl-LDH nanosheets in situ anchoring onto both sides of the rGO surface in an ab-plane vertically interlaced growth pattern. The CuxCo3-xAl-LDH/rGO hybrids show excellent activity for the complete conversion of 4-nitrophenol to 4-aminophenol, especially Cu1.5Co1.5Al-LDH/rGO with the highest kapp value of 49.2 × 10-3 s-1 and TOF of 232.8 h-1, clearly higher than most copper-containing samples in the literature and even some precious ones. Thermodynamic analysis was carried out, and the values of Ea, ΔH#, ΔS#, and ΔG# were estimated. The best activity of Cu1.5Co1.5Al-LDH/rGO can be mainly ascribed to the in situ-formed ultrafine Cu2O NPs (∼4.3 nm) along with a small amount of Cu0 species, the electron transfer effect induced by atomically dispersed Co2+ species leading to the formation of electron-rich Cu species along with the Co2+/Co3+ redox couple, the strong Cu2O-CuCoAl-LDH-rGO synergy upon the nanosheet array morphology with a high surface area and pore volume, and enhanced adsorption of reactants upon π-π stacking via an rGO layer. Meanwhile, the Cu1.5Co1.5Al-LDH/rGO exhibits an excellent universality and good cycling stability for 10 continuous runs. The Cu1.5Co1.5Al-LDH/rGO also shows superior efficiency in the catalytic reduction of 4-NP solution with a high concentration (20 mM) and displays excellent reduction performance in the fixed-bed test, implying the potential applications of the current Co-doped hierarchical ternary Cu-based LDH/rGO hybrids in the continuous treatment of practical wastewater.
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Affiliation(s)
- Danyang Feng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zhuojun Wei
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Qinglin Wang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - An Feng
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Hui Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing University of Chemical Technology, Beijing 100029, China
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18
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Adimula VO, Tella AC, Owalude SO, Oladipo AC, Olayemi VT, Adeniyi E, Ismail B, Mumtaz A, Khan AM. Synthesis, characterization and catalytic studies of bimetallic heteronuclear complexes for the reduction of nitroaromatic compounds. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2022.2078364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Vincent O. Adimula
- Department of Chemistry, University of Ilorin, Ilorin, Nigeria
- Department of Industrial Chemistry, University of Ilorin, Ilorin, Nigeria
- Department of Chemistry, COMSATS University, Islamabad, Pakistan
| | | | | | - Adetola C. Oladipo
- Department of Physical Sciences, Industrial Chemistry Programme, Landmark University, Omu-Aran, Kwara State, Nigeria
| | - Victoria T. Olayemi
- Department of Chemistry, College of Pure and Applied Sciences, Kwara State University, Malete, Nigeria
| | - Emmanuel Adeniyi
- Department of Industrial Chemistry, University of Ilorin, Ilorin, Nigeria
| | - Bushra Ismail
- Department of Chemistry, COMSATS University, Islamabad, Pakistan
| | - Amara Mumtaz
- Department of Chemistry, COMSATS University, Islamabad, Pakistan
| | - Asad M. Khan
- Department of Chemistry, COMSATS University, Islamabad, Pakistan
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19
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Mixed valence state cerium metal organic framework with prominent oxidase-mimicking activity for ascorbic acid detection: Mechanism and performance. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.128610] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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20
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Shanmugaraj K, Bustamante TM, Torres CC, Campos CH. Gold nanoparticles supported on mesostructured oxides for the enhanced catalytic reduction of 4-nitrophenol in water. Catal Today 2022. [DOI: 10.1016/j.cattod.2020.05.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
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21
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Ag, Co3O4, Ag–Co3O4, and Ag/Co3O4 Nanoparticles Decorated Mesoporous Natural Phosphate: Effect of Metal Synergy and Preparation Method on the Catalytic Reduction Reaction. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02262-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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22
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Wang W, Dai G, Yang H, Liu X, Chen X, Meng Z, He Q. Highly efficient catalytic reduction of 4-nitrophenol and organic dyes by ultrafine palladium nanoparticles anchored on CeO 2 nanorods. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:8242-8252. [PMID: 34482459 DOI: 10.1007/s11356-021-16276-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 08/27/2021] [Indexed: 06/13/2023]
Abstract
Uniformly dispersed Pd nanoparticles on certain supports exhibit exceptional catalytic performance toward various environmental applications. In this work, ultrafine Pd nanoparticles anchored on CeO2 nanorods were synthesized via an absorption-in situ reduction method. The activity of the CeO2/Pd nanocomposites was systematically investigated toward reduction of 4-nitrophenol (4-NP) and organic dyes including methyl blue, rhodamine B, methyl orange, and Congo red. The results indicated that the CeO2/Pd nanocomposites with different weight ratios of Pd nanoparticles (10.23 wt%, 11.01 wt%, and 14.27 wt%) can almost completely reduce 4-NP with a rate constant of 3.31×10-1, 3.22×10-1, and 2.23×10-1 min-1. Besides, the 10.23 wt% CeO2/Pd nanocomposites exhibit remarkable enhanced catalytic activity toward reduction of organic dyes. The catalysts display ideal stability after being used for three times for the reduction of 4-NP. We believe that our strategy demonstrated here offers insights into the design and fabrication of novel Pd-based nanocomposites for various heterogeneous catalysis applications.
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Affiliation(s)
- Wenxia Wang
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Guodong Dai
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Haibin Yang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, China
| | - Xiaofeng Liu
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Xi Chen
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Zhenbang Meng
- School of Biomedical and Pharmaceutical Sciences, Guangdong University of Technology, Guangzhou, 510006, China
| | - Qi He
- School of Public Health, Southern Medical University, Guangzhou, 510515, China.
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23
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Liu L, Duan Y, Liang Y, Kan A, Wang L, Luo Q, Zhang Y, Zhang B, Li Z, Liu J, Wang D. Cyclized Polyacrylonitrile as a Promising Support for Single Atom Metal Catalyst with Synergistic Active Site. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2104142. [PMID: 34881499 DOI: 10.1002/smll.202104142] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 11/02/2021] [Indexed: 06/13/2023]
Abstract
Metal single atom catalysts (SAC) have been successfully used in heterogeneous catalysis but developing a scalable and economic support for SAC is still a great challenge. Here, cyclized polyacrylonitrile (CPAN) is proposed as a promising support for single atom metal catalysts. CPAN can be easily prepared from cheap industrial product polyacrylonitrile (PAN), which has excellent processability. A series of SAC on CPAN (M/CPAN, M = Ag, Cu, Ru) are designed and the catalytic activities of the as synthesized M/CPAN are investigated by the model reduction reaction of p-nitrophenol (4-NP). M/CPAN presents excellent catalytic performance with high stability and theoretical calculations elucidate that Ag/CPAN synergistically catalyze 4-NP reduction following the Langmuir-Hinshelwood (L-H) mechanism with 4-NP preferentially adsorbing at the Ag sites and H adsorbing at the bridge C sites. These results, for the first time, reveal that the single atom on CPAN can catalyze 4-NP reduction efficiently. This methodology provides a convenient route for the preparation of a variety of SAC, and this strategy is readily scalable and holds great potential in catalytic applications.
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Affiliation(s)
- Lulu Liu
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Yandong Duan
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Yu Liang
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Amin Kan
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Lin Wang
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Qingzhi Luo
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Yaqiang Zhang
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Bingkai Zhang
- School of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou, 510006, P. R. China
| | - Zhen Li
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
| | - Jing Liu
- State Key Laboratory of Coal Combustion, Huazhong University of Science and Technology, Wuhan, 430074, P. R. China
| | - Desong Wang
- Hebei Key Laboratory of Photoelectric Control on Surface and Interface, School of Sciences, Hebei University of Science and Technology, Shijiazhuang, 050018, P. R. China
- Hebei Key Lab of Applied Chemistry, State Key Lab of Metastable Materials Science and Technology, Yanshan University, Qinhuangdao, 066004, P. R. China
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24
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Wang L, Ye R, Jian P, Liu J. Pumpkin-derived N-doped porous carbon for enhanced liquid-phase reduction of 2-methyl-4-nitrophenol. J Colloid Interface Sci 2022; 606:1758-1766. [PMID: 34500173 DOI: 10.1016/j.jcis.2021.08.141] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2021] [Revised: 08/21/2021] [Accepted: 08/21/2021] [Indexed: 12/17/2022]
Abstract
Metal-free catalysts with environmental friendless, cost-competitiveness and less susceptibility to leaching and poisoning over metal-based catalysts, have revolutionized in the catalysis domain. In this respect, we herein report the first application of cheap and abundant pumpkin-derived N-doped porous carbon for the reduction of 2-methyl-4-nitrophenol assisted by NaBH4. The obtained catalyst is cost-competitive, efficient and robust, with an attractive mass-normalized rate constant of 4.73 s-1 g-1 and good recycling performance. Systematical analyses demonstrate that the 2-methyl-4-nitrophenol reduction reaction catalyzed by the N-doped carbon proceeds through the Langmuir-Hinshelwood kinetics and the performance enhancement benefits from the strong adsorption and activation of the substrates induced by the electronic modulation in the carbon framework via N-doping. This study opens up new avenues for the high-value use of pumpkin as well as the development of metal-free strategy in more catalytic applications.
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Affiliation(s)
- Lixia Wang
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Rongfei Ye
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Panming Jian
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China
| | - Jiangyong Liu
- School of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou, Jiangsu 225002, China.
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25
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Sarma L, Mann G, Datta A, Thirumal M. Fabrication of tailored rod-shaped carbon nitride, g-C 3N 4, decorated with MoSe 2 flowers for the catalytic reduction of nitrophenol, organic dye degradation and biocompatibility studies. NEW J CHEM 2022. [DOI: 10.1039/d1nj06135f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile hydrothermal approach was used to synthesize a self-assembled tailored rod-shaped g-C3N4 anchored with molybdenum diselenide (MoSe2) flowers.
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Affiliation(s)
- Liza Sarma
- Department of Chemistry, University of Delhi, Delhi-110007, India
| | - Garima Mann
- Department of Chemistry, University of Delhi, Delhi-110007, India
- Institute of Nuclear Medicine & Allied Sciences, DRDO, Brig. SK Mazumdar Marg, Delhi 110054, India
| | - Anupama Datta
- Institute of Nuclear Medicine & Allied Sciences, DRDO, Brig. SK Mazumdar Marg, Delhi 110054, India
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26
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Landge VK, Hakke VS, Kakunuri M, Babu GUB, Boczkaj G, Sonawane SH. Synthesis of bimetallic Co–Pt/cellulose nanocomposites for catalytic reduction of p-nitrophenol. REACT CHEM ENG 2022. [DOI: 10.1039/d1re00422k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
The sonochemical synthesis of Co–Pt nanoparticles anchored on cellulose nanofibers (CNFs) was demonstrated. An enhancement in the catalytic activity of the synthesized Co–Pt/CNF nanocomposite catalyst was observed for the reduction of p-NP due to synergy effects.
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Affiliation(s)
- Vividha K. Landge
- Department of Chemical Engineering, National Institute of Technology, Warangal, TS, 506004, India
| | - Vikas S. Hakke
- Department of Chemical Engineering, National Institute of Technology, Warangal, TS, 506004, India
| | - Manohar Kakunuri
- Department of Chemical Engineering, National Institute of Technology, Warangal, TS, 506004, India
| | - G. Uday B. Babu
- Department of Chemical Engineering, National Institute of Technology, Warangal, TS, 506004, India
| | - Grzegorz Boczkaj
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, Poland
| | - Shirish H. Sonawane
- Department of Chemical Engineering, National Institute of Technology, Warangal, TS, 506004, India
- Department of Process Engineering and Chemical Technology, Faculty of Chemistry, Gdansk University of Technology, Poland
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27
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Sarker MZ, Rahman MM, Minami H, Suzuki T, Ahmad H. Amine functional silica–supported bimetallic Cu-Ni nanocatalyst and investigation of some typical reductions of aromatic nitro-substituents. Colloid Polym Sci 2021. [DOI: 10.1007/s00396-021-04910-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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28
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Ahmadpoor F, Nasrollahzadeh M, Mohammad M. Self-assembled lignosulfonate-inorganic hybrid nanoflowers and their application in catalytic reduction of methylene blue and 4-nitrophenol. Sep Purif Technol 2021. [DOI: 10.1016/j.seppur.2021.118864] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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29
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Iben Ayad A, Guenin E, Ould Dris A. Continuous flow reduction of 4-nitrophenol by “water soluble” palladium nanoparticles: from batch to continuous flow system. J Flow Chem 2021. [DOI: 10.1007/s41981-021-00194-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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30
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Madhu R, Karmakar A, Karthick K, Kumaravel S, Sam Sankar S, Prajapati D, Kundu S. Fabrication of highly stable platinum organosols over DNA-scaffolds for enriched catalytic and SERS applications. Dalton Trans 2021; 50:7198-7211. [PMID: 33899068 DOI: 10.1039/d1dt00653c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The use of nanomaterials (NMs) in various applications via multidisciplinary approaches is highly necessary in this era. In this line, the impact of noble metals in organic media for both catalysis and surface-enhanced Raman spectroscopic (SERS) studies is most interesting and also has a wider scope in various fields. Nonetheless, the catalytic reduction of aromatic nitro compounds is difficult with poor solubility in aqueous media, and reduction also is less feasible in the absence of noble metal-based catalysts. Thus, the choice of noble metal-based catalysts for the catalytic reduction of nitro compounds in organic media is one of the emerging methods with high selectivity towards products. Moreover, the superior catalytic activity of Pt NPs provides a higher rate constant value with a low dielectric constant of organic solvents. Herein, for the first time, we synthesised highly stable metallic Pt nanoparticles (NPs) anchored on bio-scaffold deoxyribonucleic acid (DNA) for two different applications. The advantage of highly controlled nucleation of NPs over DNA in organic media results in a spherical morphology with a particle diameter of 2.47 ± 2.11 nm and 2.84 ± 1.14 nm. A stable colloidal solution of Pt NPs was prepared by a simple wet chemical sodium borohydride reduction method within 15 minutes from the start of the reaction. Two sets of Pt NPs were synthesised by varying the molar ratio of the concentration of DNA to PtCl4 concentration and were named Pt@DNA (0.05 M) and Pt@DNA (0.06 M), respectively. The prepared Pt@DNA was effectively studied for two potential applications such as the SERS studies and catalytic reduction of nitro compounds. In catalysis, a higher catalytic rate was observed in the case of 4-nitrophenol (4-NP) at a rate of 8.43 × 10-2 min-1. In the SERS study, the reduction of the interparticle distance to below 5 nm facilitates the creation of a large number of hot spots for probe detection. Here, we used 10-3 M methylene blue (MB) as a probe molecule, and the enhancement factor (EF) value was calculated at different concentrations ranging from 10-3 M to 10-6 M. The highest enhancement factor (EF) value obtained was 2.91 × 105 for Pt@DNA (0.05 M). The as-synthesised stable Pt@DNA organosol can be exploited for other potential applications related to energy, sensor and medicinal fields in the near future.
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Affiliation(s)
- Ragunath Madhu
- Electrochemical Process Engineering (EPE), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Arun Karmakar
- Electrochemical Process Engineering (EPE), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Kannimuthu Karthick
- Electrochemical Process Engineering (EPE), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sangeetha Kumaravel
- Electrochemical Process Engineering (EPE), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Selvasundarasekar Sam Sankar
- Electrochemical Process Engineering (EPE), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Devendra Prajapati
- Central Instrumentation Facility (CIF), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India
| | - Subrata Kundu
- Electrochemical Process Engineering (EPE), CSIR-Central Electrochemical Research Institute (CECRI), Karaikudi 630003, Tamil Nadu, India. and Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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31
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Hierarchical ZIF-decorated nanoflower-covered 3-dimensional foam for enhanced catalytic reduction of nitrogen-containing contaminants. J Colloid Interface Sci 2021; 602:95-104. [PMID: 34118608 DOI: 10.1016/j.jcis.2021.05.098] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 05/15/2021] [Accepted: 05/17/2021] [Indexed: 02/02/2023]
Abstract
Metal Organic Frameworks (MOFs) represent a promising class of metallic catalysts for reduction of nitrogen-containing contaminants (NCCs), such as 4-nitrophenol (4-NP). Nevertheless, most researches involving MOFs for 4-NP reduction employ noble metals in the form of fine powders, making these powdered noble metal-based MOFs impractical and inconvenient for realistic applications. Thus, it would be critical to develop non-noble-metal MOFs which can be incorporated into macroscale and porous supports for convenient applications. Herein, the present study proposes to develop a composite material which combines advantageous features of macroscale/porous supports, and nanoscale functionality of MOFs. In particular, copper foam (CF) is selected as a macroscale porous medium, which is covered by nanoflower-structured CoO to increase surfaces for growing a cobaltic MOF, ZIF-67. The resultant composite comprises of CF covered by CoO nanoflowers decorated with ZIF-67 to form a hierarchical 3D-structured catalyst, enabling this ZIF-67@Cu foam (ZIF@CF) a promising catalyst for reducing 4-NP, and other NCCs. Thus, ZIF@CF can readily reduce 4-NP to 4-AP with a significantly lower Ea of 20 kJ/mol than reported values. ZIF@CF could be reused over 10 cycles and remain highly effective for 4-NP reduction. ZIF@CF also efficiently reduces other NCCs, such as 2-nitrophenol, 3-nitrophenol, methylene blue, and methyl orange. ZIF@CF can be adopted as catalytic filters to enable filtration-type reduction of NCCs by passing NCC solutions through ZIF@CF to promptly and conveniently reduce NCCs. The versatile and advantageous catalytic activity of ZIF@CF validates that ZIF@CF is a promising and practical heterogeneous catalyst for reductive treatments of NCCs.
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32
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Intermetallic PdBi aerogels with improved catalytic performance for the degradation of organic pollutants in water. CHINESE CHEM LETT 2021. [DOI: 10.1016/j.cclet.2020.09.043] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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33
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Chen F, Hu X, Yan X, Feng R, Zhou M, Fan S. A microstructured catalyst made of prussian blue analogues/copper foam for effective reduction of 4-nitrophenol. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.04.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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34
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Iakimov NP, Romanyuk AV, Grozdova ID, Dets EA, Alov NV, Sharanov PY, Maksimov SV, Savilov SV, Abramchuk SS, Ksenofontov AL, Eremina EA, Melik-Nubarov NS. Binding of chloroaurate to polytyrosine-PEG micelles leads to an anti-Turkevich pattern of reduction. SOFT MATTER 2021; 17:2711-2724. [PMID: 33533363 DOI: 10.1039/d0sm02259d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Here we report formation of gold nanoparticles (GNPs) in micelles of polytyrosine-PEG copolymers that combine the properties of a reducer and a stabilizer. The size and properties of the GNPs were tailored by the excess chloroaurate over the copolymer. The latter quickly formed non-covalent complexes with HAuCl4 and then slowly reduced it to form GNPs. 3 Tyr residues are consumed by reduction of one mole of chloroaurate. The size of the GNPs was controlled by the [Tyr]/[Au(iii)] molar ratio. Small GNPs with D ≅ 8 nm were formed at [Tyr]/[Au(iii)] = 0.5-1.5. 90% of these small GNPs remained bound to the copolymer and could be stored in a lyophilized state. Such polypeptide-gold hybrid materials produced at [Tyr]/[Au(iii)] = 0.5 demonstrated high activity in the catalytic reduction of 4-nitrophenol by sodium borohydride. [Tyr]/[Au(iii)] = 5 led to the formation of large nanoplates (D ≅ 30-60 nm). Thus, in the polymer-based system the GNP size grew in line with the excess of the reducing agent in contrast to Turkevich synthesis of GNPs with citric acid, which also combines the functions of a stabilizer and a reducer. The difference results from the reduction of HAuCl4 in solution according to the Turkevich method and in the micelles of the amphiphilic polymer where the seed growth is limited by the amount of neighboring reducer.
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Affiliation(s)
- Nikolai P Iakimov
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia.
| | - Andrey V Romanyuk
- School of Chemistry, University of Birmingham, Edgbaston, B15 2TT, Birmingham, UK
| | - Irina D Grozdova
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia.
| | - Elisabeth A Dets
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia.
| | - Nikolai V Alov
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia. and Skobeltsyn Institute of Nuclear Physics, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 62, Moscow 119991, Russia
| | - Pavel Yu Sharanov
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia. and Skobeltsyn Institute of Nuclear Physics, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 62, Moscow 119991, Russia
| | - Sergey V Maksimov
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia.
| | - Serguei V Savilov
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia.
| | - Sergey S Abramchuk
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia. and Department of Physics, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 2, GSP-1, Moscow 119991, Russia
| | - Alexander L Ksenofontov
- Belozersky Institute of Physico-Chemical Biology, M. V. Moscow State University, Leninskiye Gory 1, bldg. 40, Moscow 119991, Russia
| | - Elena A Eremina
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia.
| | - Nikolay S Melik-Nubarov
- Chemistry Department, M. V. Lomonosov Moscow State University, Leninskiye Gory 1, bldg. 3, GSP-1, Moscow 119991, Russia.
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35
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Ayodhya D, Veerabhadram G. Microwave-assisted fabrication of g-C 3N 4 nanosheets sustained Bi 2S 3 heterojunction composites for the catalytic reduction of 4-nitrophenol. ENVIRONMENTAL TECHNOLOGY 2021; 42:826-841. [PMID: 31318310 DOI: 10.1080/09593330.2019.1646323] [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: 11/20/2018] [Accepted: 07/14/2019] [Indexed: 06/10/2023]
Abstract
In this work, we report a stable g-C3N4, Bi2S3, and g-C3N4/Bi2S3 composite catalysts were prepared via a facile one-pot microwave-assisted method and characterized. The orthorhombic phase and nearly spherical shape of the particles with an average diameter of 5-25 nm of g-C3N4/Bi2S3 composite were obtained from XRD and TEM. The composite also exhibits a high surface area (32.15 m2/g), which may provide convenient transportation and diffusion for substrate molecule. The optical studies were displayed the g-C3N4/Bi2S3 composite has a sharp absorption band in the visible region, higher charge separation, and reduced recombination rate. These results show that the Bi2S3 NPs have good crystallinity and are uniformly deposited on the surface of the g-C3N4 sheet. The catalytic performance of the g-C3N4/Bi2S3 composite for the reduction of 4-NP to 4-AP was exhibited approximately 100%, which is 1.48 and 2.34 times higher than the Bi2S3 and g-C3N4 catalysts, respectively. The pseudo-first-order rate constant was estimated as 1.648 × 10 -2 min-1 for the reduction of 4-NP using g-C3N4/Bi2S3 composite in 1 h reaction time. The effect of catalyst dosage (0-30 mg) was also investigated for the reduction of 4-NP using g-C3N4/Bi2S3 composite catalyst. Moreover, the reusability of the g-C3N4/Bi2S3 composite was exhibited a better reduction of the 4-NP even after 5 cycles and it was found that 8% reduction in the initial reduction rate. The obtained results from this study show that g-C3N4/Bi2S3 composite has the potential efficiency and stability to make it an ideal catalyst for the reduction of toxic effluents and wastewater treatment.
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Affiliation(s)
- Dasari Ayodhya
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, India
| | - Guttena Veerabhadram
- Department of Chemistry, University College of Science, Osmania University, Hyderabad, India
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36
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Le VD, Le TCH, Chau VT, Le TND, Dang CH, Vo TTN, Nguyen TD, Nguyen TD. Palladium nanoparticles in situ synthesized on Cyclea barbata pectin as a heterogeneous catalyst for Heck coupling in water, the reduction of nitrophenols and alkynes. NEW J CHEM 2021. [DOI: 10.1039/d0nj05032f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
This study develops an effective method for in situ synthesis of PdNPs using Cyclea barbata pectin as green reducing and stabilizing reagent. The catalytic activity of nanocomposite was evaluated for Heck coupling reaction, reduction of nitrophenols and reduction of alkynes.
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Affiliation(s)
- Van-Dung Le
- Graduate University of Science and Technology
- Vietnam Academy of Science and Technology
- Cau Giay
- Vietnam
- Institute of Chemical Technology
| | - T. Cam-Huong Le
- Graduate University of Science and Technology
- Vietnam Academy of Science and Technology
- Cau Giay
- Vietnam
- Institute of Chemical Technology
| | - Van-Trung Chau
- Institute of Chemical Technology
- Vietnam Academy of Science and Technology
- Ho Chi Minh City
- Vietnam
| | - T. Ngoc-Duyen Le
- Institute of Chemical Technology
- Vietnam Academy of Science and Technology
- Ho Chi Minh City
- Vietnam
| | - Chi-Hien Dang
- Graduate University of Science and Technology
- Vietnam Academy of Science and Technology
- Cau Giay
- Vietnam
- Institute of Chemical Technology
| | - T. To-Nguyen Vo
- Institute of Chemical Technology
- Vietnam Academy of Science and Technology
- Ho Chi Minh City
- Vietnam
| | - Trinh Duy Nguyen
- Center of Excellence for Green Energy and Environmental Nanomaterials
- Nguyen Tat Thanh University
- Ho Chi Minh City 755414
- Vietnam
| | - Thanh-Danh Nguyen
- Graduate University of Science and Technology
- Vietnam Academy of Science and Technology
- Cau Giay
- Vietnam
- Institute of Chemical Technology
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37
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Yang L, Quan S, Li T, Shi X, Liu C. A new La‐Doped CuBi
2
O
4
Catalysts for the Reduction of Nitroaromatic Compounds and Toxic Organic Dyes. ChemistrySelect 2020. [DOI: 10.1002/slct.202003867] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Li Yang
- Department of Physics, School of Science Shenyang University of Technology Shenyang 110870 PR China
| | - Shanyu Quan
- Department of Physics, School of Science Shenyang University of Technology Shenyang 110870 PR China
| | - Ting Li
- Department of Physics, School of Science Shenyang University of Technology Shenyang 110870 PR China
| | - Xuefeng Shi
- Department of Physics, School of Science Shenyang University of Technology Shenyang 110870 PR China
| | - Cong Liu
- Department of Physics, School of Science Shenyang University of Technology Shenyang 110870 PR China
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38
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Catalytic reduction of 4-nitrophenol on the surface of copper/copper oxide nanoparticles: a kinetics study. APPLIED NANOSCIENCE 2020. [DOI: 10.1007/s13204-020-01485-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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39
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Han XW, Pan H, liu M. In situ construction of reduced graphene oxide supported Ag nanoneedles heterogenous nanostructures with superior catalytic activity for 4-nitrophenol. Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2020.124929] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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40
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Wang D, Zeng F, Hu X, Li C, Su Z. Synthesis of a Magnetic 2D Co@NC-600 Material by Designing a MOF Precursor for Efficient Catalytic Reduction of Water Pollutants. Inorg Chem 2020; 59:12672-12680. [PMID: 32805997 DOI: 10.1021/acs.inorgchem.0c01760] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
2D metal-organic framework (MOFs) can be ideal sacrificial templates for fabricating nanomaterials because of active sites exposed on the surface rather than in pores and channels, often exhibiting improved performance in catalysis applications. In this study, the novel 2D layered cobalt-based MOF [Co(TPT)(fma)(H2O)2]·3H2O (Co-MOF) has been constructed by the selection of high N atom content ligands. On this basis, a 2D nitrogen-doped carbon-coated cobalt nanoparticle composite (Co@NC) was prepared by using this MOF as a precursor. Magnetic Co@NC has excellent catalytic activity and recycling features regarding the reaction of 4-nitrophenol (4-NP) reducing to 4-aminophenol (4-AP) in the presence of NaBH4 at ambient temperature. 2D Co@NC-600 can reach nearly 100% conversion within 120 s and its stability remains almost unchanged after five reaction cycles. Moreover, this Co@NC catalyst also is highly active for catalytic reduction of dyes such as Rhodamine B (RhB) and Methylene blue (MB).
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Affiliation(s)
- Dongsheng Wang
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China.,Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, People's Republic of China
| | - Fanming Zeng
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China.,Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, People's Republic of China
| | - Xiaoli Hu
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China.,Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, People's Republic of China
| | - Chun Li
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China
| | - Zhongmin Su
- School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun 130022, People's Republic of China.,Jilin Provincial Science and Technology Innovation Center of Optical Materials and Chemistry, Changchun 130022, People's Republic of China.,Joint Sino-Russian Laboratory of Optical Materials and Chemistry, Changchun 130022, People's Republic of China
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41
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Vilardi G. P-aminophenol catalysed production on supported nano-magnetite particles in fixed-bed reactor: Kinetic modelling and scale-up. CHEMOSPHERE 2020; 250:126237. [PMID: 32088618 DOI: 10.1016/j.chemosphere.2020.126237] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 02/12/2020] [Accepted: 02/14/2020] [Indexed: 06/10/2023]
Abstract
The aim of this work was to investigate on the possibility to use nano-magnetite particles supported on waste biomass as heterogeneous catalyst for the production of p-aminophenol starting from a well-known pollutant, p-nitrophenol, in fixed-bed reactors. The kinetic and the thermodynamic of the process was firstly studied in batch system, subsequently a first scale-up was performed using a glass column packed with the supported catalyst. The experimental data obtained with the column were interpreted in light of a suitable dynamic model. The Langmuir-Hinshelwood mechanism well described the process, obtaining from the data fitting a surface rate kinetic constant k = 2.68 × 10-6 mol/m2·h, an adsorption equilibrium constants for PNP and BH4- species equal to 20.07 l/mol and 1.83 l/mol, at 25 °C. The Eyring equation was used to fit the apparent kintic constant variation with the temperature, to estimate thermodynamic parameters, obtaining a ΔH = - 1145.68 kJ/mol and ΔS = -315.02 kJ/K·mol. The process was then simulated in PROII environment, investigating the influence of initial PNP flowrate, NaBH4/PNP and reactor length/diameter ratios on PNP conversion, on required duty to maintain isothermal conditions and on pressure drops in the reactor.
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Affiliation(s)
- Giorgio Vilardi
- Sapienza University of Rome, Dept. of Chemical Engineering Materials Environment, Via Eudossiana 18, 00184, Rome, Italy.
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42
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Kinetic Analysis of 4-Nitrophenol Reduction by "Water-Soluble" Palladium Nanoparticles. NANOMATERIALS 2020; 10:nano10061169. [PMID: 32549394 PMCID: PMC7353196 DOI: 10.3390/nano10061169] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 06/10/2020] [Accepted: 06/12/2020] [Indexed: 11/21/2022]
Abstract
The most important model catalytic reaction to test the catalytic activity of metal nanoparticles is the reduction of 4-nitrophenol to 4-aminophenol by sodium borohydride as it can be precisely monitored by UV–vis spectroscopy with high accuracy. This work presents the catalytic reduction of 4-nitrophenol (4-Nip) to 4-aminophenol (4-Amp) in the presence of Pd nanoparticles and sodium borohydride as reductants in water. We first evaluate the kinetics using classical pseudo first-order kinetics. We report the effects of different initial 4-Nip and NaBH4 concentrations, reaction temperatures, and mass of Pd nanoparticles used for catalytic reduction. The thermodynamic parameters (activation energy, enthalpy, and entropy) were also determined. Results show that the kinetics are highly dependent on the reactant ratio and that pseudo first-order simplification is not always fit to describe the kinetics of the reaction. Assuming that all steps of this reaction proceed only on the surface of Pd nanoparticles, we applied a Langmuir−Hinshelwood model to describe the kinetics of the reaction. Experimental data of the decay rate of 4-nitrophenol were successfully fitted to the theoretical values obtained from the Langmuir–Hinshelwood model and all thermodynamic parameters, the true rate constant k, as well as the adsorption constants of 4-Nip, and BH4− (K4-Nip and KBH4−) were determined for each temperature.
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43
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Baye AF, Appiah-Ntiamoah R, Kim H. Synergism of transition metal (Co, Ni, Fe, Mn) nanoparticles and "active support" Fe 3O 4@C for catalytic reduction of 4-nitrophenol. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 712:135492. [PMID: 31784174 DOI: 10.1016/j.scitotenv.2019.135492] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2019] [Revised: 10/28/2019] [Accepted: 11/11/2019] [Indexed: 06/10/2023]
Abstract
Research reports, up to date, on supports for non-noble metal catalyst focus mainly on tuning their surface functionality and increasing surface area to maximize metal loading for high catalytic reduction of 4-nitrophenol. However, the "passive" role of these supports leads to inefficient hydride formation on the metal surface which limits catalytic activity. Herein, we present Fe3O4@porous-conductive carbon (Fe3O4@C-A) core-shell structure as an "active" support for non-noble metals (M = Co, Ni, Fe, and Mn) nanoparticles. Fe3O4@C-A was prepared by annealing Fe3O4@dense-carbon (Fe3O4@C) under N2. The resultant M-Fe3O4@C-A catalysts show high catalytic performance at very low metal loading, while non-noble metals supported on a "passive" support (Fe3O4@C) shows very low activity even at high metal loading. The significant difference in catalytic activity is ascribed to the synergistic effect amongst Fe3O4, conductive carbon and metal nanoparticles which leads to efficient hydride formation. Amongst the prepared catalysts, Ni-Fe3O4@C-A and Co-Fe3O4@C-A show the best catalytic activity, completing 4-nitrophenol reduction within 50 s and 80 s, respectively, in the presence of NaBH4. This result is comparable with previously reported noble-metal-based nanocomposites. In addition, Co-Fe3O4@C-A shows high recyclability in 5 consecutive catalytic reactions. In the broader context, our finding highlights how an "active support" together with non-noble metals can provide an efficient mechanism for hydride formation, subsequently accelerating the catalytic reduction of 4-nitrophenol.
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Affiliation(s)
- Anteneh F Baye
- Department of Energy Science and Technology, Smart Living Innovation Technology Center, Myongji University, Yongin, Gyeonggi-do 17058, Republic of Korea
| | - Richard Appiah-Ntiamoah
- Department of Energy Science and Technology, Smart Living Innovation Technology Center, Myongji University, Yongin, Gyeonggi-do 17058, Republic of Korea.
| | - Hern Kim
- Department of Energy Science and Technology, Smart Living Innovation Technology Center, Myongji University, Yongin, Gyeonggi-do 17058, Republic of Korea.
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44
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Kohantorabi M, Hosseinifard M, Kazemzadeh A. Catalytic activity of a magnetic Fe2O3@CoFe2O4 nanocomposite in peroxymonosulfate activation for norfloxacin removal. NEW J CHEM 2020. [DOI: 10.1039/c9nj04379a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this study, Fe2O3 nanoparticles derived from a metal organic framework (MIL-88B) template were successfully decorated on CoFe2O4 flower-like nanostructures through a facile hydrothermal/calcination method.
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Affiliation(s)
- Mona Kohantorabi
- Department of Semiconductors
- Materials and Energy Research Center
- Karaj
- Iran
| | | | - Asghar Kazemzadeh
- Department of Semiconductors
- Materials and Energy Research Center
- Karaj
- Iran
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45
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Vivek S, Preethi S, Sundramoorthy AK, Suresh Babu K. The composition dependent structure and catalytic activity of nanostructured Cu–Ni bimetallic oxides. NEW J CHEM 2020. [DOI: 10.1039/d0nj01753a] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Nanostructured CuO–NiO bimetallic oxide was used as a catalyst for the effective conversion of 4-nitrophenol (4-NP) to 4-aminophenol (4-AP).
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Affiliation(s)
- S. Vivek
- Centre for Nanoscience and Technology
- Madanjeet School of Green Energy Technologies
- Pondicherry University (A Central University)
- Puducherry
- India
| | - S. Preethi
- Centre for Nanoscience and Technology
- Madanjeet School of Green Energy Technologies
- Pondicherry University (A Central University)
- Puducherry
- India
| | | | - K. Suresh Babu
- Centre for Nanoscience and Technology
- Madanjeet School of Green Energy Technologies
- Pondicherry University (A Central University)
- Puducherry
- India
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46
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Karuppusamy S, Marken F, Kulandainathan MA. Role of dissolved oxygen in nitroarene reduction by a heterogeneous silver textile catalyst in water. NEW J CHEM 2020. [DOI: 10.1039/d0nj03713c] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The effects of dissolved oxygen concentration on the rate constant of the 4-nitrophenol reduction reaction with a silver-coated textile as a ‘dip-catalyst’ were studied.
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Affiliation(s)
- Sembanadar Karuppusamy
- Academy of Scientific and Innovative Research (AcSIR)
- Ghaziabad 201002
- India
- CSIR-Central Electrochemical Research Institute
- Karaikudi 630003
| | - Frank Marken
- Department of Chemistry
- University of Bath
- Bath BA2 7AY
- UK
| | - Manickam Anbu Kulandainathan
- Academy of Scientific and Innovative Research (AcSIR)
- Ghaziabad 201002
- India
- CSIR-Central Electrochemical Research Institute
- Karaikudi 630003
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47
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Ji F, Wang B, Zhang L. Light-Triggered Catalytic Performance Enhancement Using Magnetic Nanomotor Ensembles. RESEARCH (WASHINGTON, D.C.) 2020; 2020:6380794. [PMID: 32728667 PMCID: PMC7366293 DOI: 10.34133/2020/6380794] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Accepted: 05/17/2020] [Indexed: 12/29/2022]
Abstract
Micro/nanomachines have attracted extensive attention in the biomedical and environmental fields for realizing functionalities at small scales. However, they have been rarely investigated as active nanocatalysts. Heterogeneous nanocatalysts have exceptional reusability and recyclability, and integration with magnetic materials enables their recovery with minimum loss. Herein, we propose a model active nanocatalyst using magnetic nanomotor ensembles (MNEs) that can degrade contaminants in an aqueous solution with high catalytic performance. MNEs composed of a magnetite core coated with gold nanoparticles as the nanocatalyst can rotate under the action of a programmable external field and carry out rapid reduction of 4-nitrophenol (4-NP). The hydrogen bubbles generated in the catalytic reaction provide random perturbations for the MNEs to travel in the reaction solution, resulting in uniform processing. The reduction can be further boosted by irradiation with near-infrared (NIR) light. Magnetic field induces the rotation of the MNEs and provides microstirring in the catalysis. Light enhances the catalytic activity via the photothermal effect. These MNEs are also capable of moving to the targeted region through the application of a programmable magnetic field and then process the contaminant in the targeted region. We expect that such magnetic MNEs may help better in applying active heterogeneous nanocatalysts with magnetic field and light-enhanced performance in industrial applications due to their advantages of low material cost and short reaction time.
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Affiliation(s)
- Fengtong Ji
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Ben Wang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
| | - Li Zhang
- Department of Mechanical and Automation Engineering, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
- Chow Yuk Ho Technology Centre for Innovative Medicine, The Chinese University of Hong Kong, Shatin N.T., Hong Kong, China
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48
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Zelin J, Regenhardt SA, Meyer CI, Duarte HA, Sebastian V, Marchi AJ. Selective aqueous-phase hydrogenation of D-fructose into D-mannitol using a highly efficient and reusable Cu-Ni/SiO2 catalyst. Chem Eng Sci 2019. [DOI: 10.1016/j.ces.2019.05.042] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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49
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Han F, Xia J, Zhang X, Fu Y. PdAu alloy nanoparticles supported on nitrogen-doped carbon black as highly active catalysts for Ullmann coupling and nitrophenol hydrogenation reactions. RSC Adv 2019; 9:17812-17823. [PMID: 35520540 PMCID: PMC9064667 DOI: 10.1039/c9ra01685f] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2019] [Accepted: 05/16/2019] [Indexed: 11/21/2022] Open
Abstract
Noble metal-based catalysts have been proven to be active for catalytic organic reactions. The selectivity and conversion can be improved by integration with proper carrier materials, and further modulated by tuning the composition as well as the electronic structure of the active noble metals. Compared with unsupported monometallic catalysts, the synergistic interactions between neighboring metals and the combined effects between the carrier materials and the active components often give rise to positive influences on the enhancement of the catalytic efficiency and selectivity. In this work, we report a facile process for the fabrication of nitrogen-doped carbon black (NCB) supported PdAu bimetallic nanoparticles (NPs) with a uniform dispersion and narrow size distribution. The PdAu/NCB catalyst with a Pd/Au mole ratio of 1/1 shows the highest activity towards both Ullmann coupling reactions of aryl halides and the hydrogenation reaction of nitrophenols. Moreover, this bimetallic catalyst also exhibits a superior recycling durability to that of monometallic Pd/NCB and Au/NCB catalysts. The enhanced catalytic performance of the bimetallic catalyst is mainly due to the large BET specific surface area (125.45 m2 g-1) and the synergy between the individual components of the catalyst.
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Affiliation(s)
- Fengyan Han
- Key Laboratory for Soft Chemistry and Functional Materials of Ministry Education, Nanjing University of Science and Technology Nanjing 210094 China
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University Nanjing 210037 China
| | - Jiawei Xia
- Key Laboratory for Soft Chemistry and Functional Materials of Ministry Education, Nanjing University of Science and Technology Nanjing 210094 China
| | - Xinglong Zhang
- College of Science, Institute of Materials Physics and Chemistry, Nanjing Forestry University Nanjing 210037 China
| | - Yongsheng Fu
- Key Laboratory for Soft Chemistry and Functional Materials of Ministry Education, Nanjing University of Science and Technology Nanjing 210094 China
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50
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Xia Y, Liu Y, Shi N, Zhang X. Highly efficient reduction of 4-nitrophenolate to 4-aminophenolate by Au/γ-Fe 2O 3@HAP magnetic composites. RSC Adv 2019; 9:10272-10281. [PMID: 35520938 PMCID: PMC9062375 DOI: 10.1039/c9ra00345b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2019] [Accepted: 03/24/2019] [Indexed: 01/20/2023] Open
Abstract
In this article, the catalyst Au/γ-Fe2O3@hydroxyapatite (Au/γ-Fe2O3@HAP) consisting of Au nanoparticles supported on the core-shell structure γ-Fe2O3@HAP was prepared through a deposition-precipitation method. The catalyst was characterized by transmission electron microscopy, X-ray powder diffraction, X-ray photoelectron spectroscopy, Fourier transform infrared spectroscopy, N2 adsorption-desorption and atomic absorption spectrometry. The as-prepared Au/γ-Fe2O3@HAP exhibited excellent performance for the reduction of 4-nitrophenolate (4-NP) to 4-aminophenolate (4-AP) in the presence of NaBH4 at room temperature. Thermodynamic and kinetic data on the reduction of 4-NP to 4-AP catalyzed by the as-prepared catalyst were studied. The as-prepared catalyst could be easily separated by a magnet and recycled 6 times with over 92% conversion of 4-NP to 4-AP. In addition, the as-prepared catalyst showed excellent catalytic performance on other nitrophenolates. The TOF value of this work on the reduction of 4-NP to 4-AP was 241.3 h-1. Au/γ-Fe2O3@HAP might have a promising potential application on the production of 4-AP and its derivatives.
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Affiliation(s)
- Yide Xia
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 Hubei China
| | - Ying Liu
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 Hubei China
| | - Nannan Shi
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 Hubei China
| | - Xungao Zhang
- College of Chemistry and Molecular Sciences, Wuhan University Wuhan 430072 Hubei China
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