1
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Li S, Wu D, Wang X, Xiong J, Zhang L, Ma K. Zeolite-encapsulated copper(II) complexes with NNO-tridentate Schiff base ligands: catalytic activity for methylene blue (MB) degradation under near neutral conditions. Dalton Trans 2024; 53:1517-1527. [PMID: 38164102 DOI: 10.1039/d3dt03694d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2024]
Abstract
Three novel copper Schiff base complexes, L1Cu(OAc)-L3Cu(OAc), bearing NNO tridentate ligands were synthesized and successfully entrapped in zeolite. All free and encapsulated complexes were fully characterized through experiments combined with theoretical calculations, and were subsequently employed as catalysts to activate H2O2 for degradation of methylene blue (MB). The catalytic activity of free complexes was tunable by substitution effects. The complex L3Cu(OAc) displayed enhanced efficiency by adopting bulky and donor substitutions due to the lower oxidation states. However, the free complexes exhibited modified structural and catalytic properties upon encapsulation into the zeolite. The constraint from the zeolite holes and coordination geometry caused the alteration of electronic structures and subsequently modified the reactivity. This study revealed that upon encapsulation, the larger molecular dimension of L3Cu(OAc) resulted in additional distorted geometry, leading to higher catalytic efficiency for MB degradation with more blue shifts in the UV-Vis spectrum. There was high catalytic activity by LnCu(OAc)-Y compared to that of the free complex, and high recyclability under near neutral conditions. In addition, the catalytic efficiency of L3Cu(OAc)-Y was higher or equivalent compared to other catalysts. This work provides new complexes with NNO tridentate ligands encapsulated inside zeolite and explains the relationship between the modified structure and functionality.
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Affiliation(s)
- Shuyu Li
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China.
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China
| | - Die Wu
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China.
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China
| | - Xiting Wang
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China.
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China
| | - Jiaxing Xiong
- Key Laboratory of Pollution Control Chemistry and Environmental Functional Materials for Qinghai-Tibet Plateau of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China.
- Key Laboratory of General Chemistry of the National Ethnic Affairs Commission, School of Chemistry and Environment, Southwest Minzu University, Chengdu 610041, Sichuan, China
| | - Li Zhang
- School of Electronic Engineering, Guangxi University of Science and Technology, Liuzhou 545000, Guangxi, China.
| | - Kaili Ma
- Analysis and Testing Center, Southeast University, Nanjing 211189, Jiangsu, China.
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2
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Iaia EP, Soyemi A, Szilvási T, Harris JW. Zeolite encapsulated organometallic complexes as model catalysts. Dalton Trans 2023; 52:16103-16112. [PMID: 37812079 DOI: 10.1039/d3dt02126b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/10/2023]
Abstract
Heterogeneities in the structure of active centers in metal-containing porous materials are unavoidable and complicate the description of chemical events occurring along reaction coordinates at the atomic level. Metal containing zeolites include sites of varied local coordination and secondary confining environments, requiring careful titration protocols to quantify the predominant active sites. Hybrid organometallic-zeolite catalysts are useful well-defined platform materials for spectroscopic, kinetic, and computational studies of heterogeneous catalysis that avoid the complications of conventional metal-containing porous materials. Such materials have been synthesized and studied previously, but catalytic applications were mostly limited to liquid-phase oxidation and electrochemical reactions. The hydrothermal stability, time-on-stream stability, and utility of these materials in gas-phase oxidation reactions are under-studied. The potential applications for single-site heterogeneous catalysts in fundamental research are abundant and motivate future synthetic, spectroscopic, kinetic, and computational studies.
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Affiliation(s)
- Ethan P Iaia
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, AL, 35487, USA.
| | - Ademola Soyemi
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, AL, 35487, USA.
| | - Tibor Szilvási
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, AL, 35487, USA.
| | - James W Harris
- Department of Chemical and Biological Engineering, The University of Alabama, Tuscaloosa, AL, 35487, USA.
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3
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Li S, Liu M, Liu Q, Pan F, Zhang L, Ma K. Zeolite encapsulated Cu(II)-salen complexes for the catalytic degradation of dyes in a neutral condition. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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4
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Production of Iso-octanoic Acid Via Efficiently Synergetic Catalysis of Zn-Modified ZSM-5/HMS. Catal Letters 2022. [DOI: 10.1007/s10562-021-03743-0] [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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5
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Pradhan SR, Lisovytskiy D, Colmenares JC. Flow photomicroreactor coated with monometal containing TiO2 using sonication: A versatile tool for visible light oxidation. CATAL COMMUN 2022. [DOI: 10.1016/j.catcom.2021.106375] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
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6
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Podobiński J, Gackowski M, Mordarski G, Samson K, Śliwa M, Rutkowska-Zbik D, Datka J. The Properties of Cu Ions in Zeolites CuY Studied by IR Spectroscopy. Molecules 2021; 26:4686. [PMID: 34361843 PMCID: PMC8347275 DOI: 10.3390/molecules26154686] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/26/2021] [Accepted: 07/26/2021] [Indexed: 12/03/2022] Open
Abstract
The properties of both Cu2+ and Cu+ ions in zeolite CuY were followed with NO and CO as probe molecules. Cu2+ was found to be located in SII, SII*, and SIII sites, whereas Cu+ was found in SII and SII* sites. The fine analysis of the spectra of Cu2+-NO and Cu+-CO adducts suggests that both in SII and in SII* sites two kinds of Cu cations exist. They differ in the positive charge, which may be related to the varying numbers of AlO4- in close proximity. The experiments of NO and CO adsorption and desorption evidenced that both Cu2+ and Cu+ sites of highest positive charge bind probe molecules most strongly but activate them to a lesser extent than the Cu sites of lowest positive charge. The experiments of reduction with hydrogen evidenced that the Cu ions of higher positive charge are first reduced by hydrogen. On the other hand, Cu sites of the lowest positive charge are first oxidized by oxygen. The experiments with CuNaY zeolites of various Cu contents suggest that the first introduced Cu (at low Cu contents) created Cu+, which was the most neutralized by framework oxygens. Such Cu cations are the most stabilized by framework oxygens.
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Affiliation(s)
| | | | | | | | | | | | - Jerzy Datka
- Jerzy Haber Institute of Catalysis and Surface Chemistry, Polish Academy of Sciences, Niezapominajek 8, PL-30239 Krakow, Poland; (J.P.); (M.G.); (G.M.); (K.S.); (M.Ś.); (D.R.-Z.)
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7
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Oxidation of Ethanol in Cu-Faujasites Studied by IR Spectroscopy. Molecules 2021; 26:molecules26092669. [PMID: 34063240 PMCID: PMC8125081 DOI: 10.3390/molecules26092669] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 04/24/2021] [Accepted: 04/28/2021] [Indexed: 11/17/2022] Open
Abstract
In this study, IR studies of the coadsorption of ethanol and CO on Cu+ cations evidenced the transfer of electrons from ethanol to Cu+, which caused the lowering of the frequency of the band attributed to CO bonded to the same Cu+ cation due to the more effective π back donation of d electrons of Cu to antibonding π* orbitals of CO. The reaction of ethanol with acid sites in zeolite HFAU above 370 K produced water and ethane, polymerizing to polyethylene. Ethanol adsorbed on zeolite Cu(2)HFAU containing acid sites and Cu+exch also produced ethene, but in this case, the ethene was bonded to Cu+ and did not polymerize. C=C stretching, which is IR non-active in the free ethene molecule, became IR active, and a weak IR band at 1538 cm-1 was present. The reaction of ethanol above 370 K in Cu(5)NaFAU zeolite (containing small amounts of Cu+exch and bigger amounts of Cu+ox, Cu2+exch and CuO) produced acetaldehyde, which was further oxidized to the acetate species (CH3COO-). As oxygen was not supplied, the donors of oxygen were the Cu species present in our zeolite. The CO and NO adsorption experiments performed in Cu-zeolite before and after ethanol reaction evidenced that both Cu+ox and Cu2+ (Cu2+exch and CuO) were consumed by the ethanol oxidation reaction. The studies of the considered reaction of bulk CuO and Cu2O as well as zeolites, in which the contribution of Cu+ox species was reduced by various treatments, suggest that ethanol was oxidized to acetaldehyde by Cu2+ox (the role of Cu+ox could not be elucidated), but Cu+ox was the oxygen donor in the acetate formation.
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8
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Farine G, Migliore C, Terenzi A, Lo Celso F, Santoro A, Bruno G, Bonsignore R, Barone G. On the G‐Quadruplex Binding of a New Class of Nickel(II), Copper(II), and Zinc(II) Salphen‐Like Complexes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100067] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Gianluca Farine
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche Università degli Studi di Palermo Viale delle Scienze, Edificio 17 90128 Palermo Italy
| | - Claudio Migliore
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche Università degli Studi di Palermo Viale delle Scienze, Edificio 17 90128 Palermo Italy
| | - Alessio Terenzi
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche Università degli Studi di Palermo Viale delle Scienze, Edificio 17 90128 Palermo Italy
| | - Fabrizio Lo Celso
- Dipartimento di Fisica e Chimica “E. Segre” Università degli Studi di Palermo Viale delle Scienze, Edificio 17 90128 Palermo Italy
- Institute of Structure of Matter National Research Council Laboratorio Liquidi Ionici Rome Italy
| | - Antonio Santoro
- Dipartimento di Scienze Chimiche Biologiche Farmaceutiche e Ambientali Università degli Studi di Messina Via Stagno d'Alcontres 98166 Messina Italy
| | - Giuseppe Bruno
- Dipartimento di Scienze Chimiche Biologiche Farmaceutiche e Ambientali Università degli Studi di Messina Via Stagno d'Alcontres 98166 Messina Italy
| | - Riccardo Bonsignore
- Department of Chemistry Technical University of Munich (TUM) Lichtenbergstr. 4 85748 Garching b. München Germany
| | - Giampaolo Barone
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche Università degli Studi di Palermo Viale delle Scienze, Edificio 17 90128 Palermo Italy
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9
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Xue Q, Zhang Z, Ng BKY, Zhao P, Lo BTW. Recent Advances in the Engineering of Single-Atom Catalysts Through Metal-Organic Frameworks. Top Curr Chem (Cham) 2021; 379:11. [PMID: 33544294 DOI: 10.1007/s41061-021-00324-y] [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: 07/27/2020] [Accepted: 01/06/2021] [Indexed: 11/25/2022]
Abstract
This mini-review highlights some recent progress in the engineering of single-atom catalysts (SACs) through metal-organic frameworks (MOFs) and derivatives. The inherent molecular and chemical specificities within the MOFs and derivatives can offer stabilisation of the SACs with high atomic isolation and dispersion. As MOFs are often considered an infinite array of self-assembled molecular catalysts, specifically designed structures can provide further functionalities to suit the needs of different catalytic applications. In brief, we can divide the preparation approaches into three main categories: (1) fabrication onto functional groups of the ligands, (2) fabrication onto Lewis acid sites of nodal centres, and (3) synthesis via a pyrolysis-mediated technique. Through these approaches, strong metal-support interactions can be established to aid the fine-tuning of the catalytic properties. We also discuss how recent progress in the development of state-of-the-art microscopic, spectroscopic, and crystallographic techniques has enabled scientists to elucidate the structure-activity relationship.
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Affiliation(s)
- Qi Xue
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China.,State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Zixuan Zhang
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China
| | - Bryan K Y Ng
- Department of Chemistry, University of Oxford, Oxford, OX1 3QR, UK
| | - Pu Zhao
- Department of Chemistry, University of Oxford, Oxford, OX1 3QR, UK
| | - Benedict T W Lo
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China. .,State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong, China.
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10
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Recent developments in polymer-supported ruthenium nanoparticles/complexes for oxidation reactions. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2020.121658] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
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11
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Lin J, Chen X, Wang N, Liu S, Ruan Z, Chen Y. Electrochemical water oxidation by a copper complex with an N4-donor ligand under neutral conditions. Catal Sci Technol 2021. [DOI: 10.1039/d1cy01183a] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mononuclear copper(ii) complex [Cu(H2L)](NO3)2 with an N4-donor redox-active ligand is found to be an efficient homogeneous catalyst for electrochemical water oxidation with the assistance of ligand oxidation.
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Affiliation(s)
- Junqi Lin
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Xin Chen
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Nini Wang
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Shanshan Liu
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Zhijun Ruan
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
| | - Yanmei Chen
- Hubei Key Laboratory of Processing and Application of Catalytic Materials, College of Chemistry and Chemical Engineering, Huanggang Normal University, Huanggang, 438000 China
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12
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Chen T, Wun CKT, Day SJ, Tang CC, Lo TWB. Enantiospecificity in achiral zeolites for asymmetric catalysis. Phys Chem Chem Phys 2020; 22:18757-18764. [PMID: 32149303 DOI: 10.1039/d0cp00262c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
This article highlights the recent fundamental study in using achiral and chiral porous materials for the potential applications in asymmetric catalysis. Thanks to the new-generation synchrotron X-ray powder diffraction (SXRD) facilities, we reveal the presence of the unique 'chiral region' in achiral zeolites with the MFI topology. Both the inherent site-isolation effect of the active sites and internal confinement restraints in zeolites are critical for creating 'chiral regions' that can aid the design of more enantioselective catalytic reactions. We also offer an outlook on the challenges and opportunities of this research area.
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Affiliation(s)
- Tianxiang Chen
- The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen 518000, China
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13
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Reddy Gontu R, Kattela C, Sengottuvelan B. The Heterogenized Hexazatricyclic Complexes as Solid Acid Catalyst for the Degradation of Rhodamine‐b. ChemistrySelect 2020. [DOI: 10.1002/slct.202001993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Ramanjaneya Reddy Gontu
- Centre for Nanoscience and Nanotechnology International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Jeppiaar Nagar Chennai 600119 India
- Department of Inorganic Chemistry School of Chemical Sciences, University of Madras, Guindy Campus Chennai 600025 India
| | - Chennakesavulu Kattela
- Centre for Nanoscience and Nanotechnology International Research Centre, Sathyabama Institute of Science and Technology (Deemed to be University), Jeppiaar Nagar Chennai 600119 India
- Department of Chemistry Sathyabama Institute of Science and Technology (Deemed to be University), Jeppiaar Nagar Chennai 600119 India
| | - Balasubramanian Sengottuvelan
- Department of Inorganic Chemistry School of Chemical Sciences, University of Madras, Guindy Campus Chennai 600025 India
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14
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Design and development of natural and biocompatible raffinose-Cu2O magnetic nanoparticles as a heterogeneous nanocatalyst for the selective oxidation of alcohols. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.111037] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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15
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Heravi MM, Heidari B, Zadsirjan V, Mohammadi L. Applications of Cu(0) encapsulated nanocatalysts as superior catalytic systems in Cu-catalyzed organic transformations. RSC Adv 2020; 10:24893-24940. [PMID: 35517449 PMCID: PMC9055281 DOI: 10.1039/d0ra02341h] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 06/10/2020] [Indexed: 11/21/2022] Open
Abstract
Recently, Cu nanoparticles (NPs) encapsulated into various materials as supports (e.g., zeolite, silica) have attracted much devotion due to their unique catalytic properties such as high catalytic activity, intensive reactivity and selectivity through highly protective properties. Nowadays, the superior catalytic activity of Cu-NPs, encapsulated onto zeolite, silica and different porous systems, is extensively investigated and now well-established. As a matter of fact, Cu-NPs are protected from deactivation by this kind of encapsulation. Thus, their exclusion proceeds smoothly, and their recyclability is significantly increased. Cu-NPs have been used as potential heterogeneous catalysts in different chemical transformations. In this review, we try to show the preparation and applications of Cu(0) encapsulated nanocatalysts in zeolite and silica as superior catalytic systems in Cu-catalyzed organic transformations. In addition, the catalytic activity of these encapsulated Cu-NPs in different important organic transformations (such as hydrogenation, oxidation and carbon-carbon bond formations) are compared with those of a variety of organic, inorganic and hybrid porous bearing a traded metal ion. Moreover, the results from the TGA/DTA analysis and optical properties of Cu-complexes are demonstrated. The inherited characteristic merits of the encapsulated Cu-NPs onto zeolite and silica, such as their low leaching, catalytic activity, reusability economic feasibility and originality are critically considered.
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Affiliation(s)
- Majid M Heravi
- Department of Chemistry, School of Science, Alzahra University P. O. Box 1993891176 Vanak Tehran Iran +98 21 88041344 +98 21 88044051
| | - Bahareh Heidari
- Department of Chemistry, School of Science, Alzahra University P. O. Box 1993891176 Vanak Tehran Iran +98 21 88041344 +98 21 88044051
| | - Vahideh Zadsirjan
- Department of Chemistry, School of Science, Alzahra University P. O. Box 1993891176 Vanak Tehran Iran +98 21 88041344 +98 21 88044051
| | - Leila Mohammadi
- Department of Chemistry, School of Science, Alzahra University P. O. Box 1993891176 Vanak Tehran Iran +98 21 88041344 +98 21 88044051
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16
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Chen T, Xue Q, Leung KC, Lo BTW. Recent Advances of Precise Cu Nanoclusters in Microporous Materials. Chem Asian J 2020; 15:1819-1828. [PMID: 32343044 DOI: 10.1002/asia.202000331] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Indexed: 11/10/2022]
Abstract
This minireview highlights some recent advances in the rational design of precise Cu nanoclusters supported on microporous materials, including zeolites and metal-organic frameworks. The development of comprehensive characterisation techniques enables scientists to elucidate the structure-activity relationship of these catalysts, which aids the subsequent engineering of more superior catalytic systems at an atomistic perspective.
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Affiliation(s)
- Tianxiang Chen
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR.,The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China
| | - Qi Xue
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR.,The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China
| | - Kwan-Chee Leung
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR.,The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China
| | - Benedict T W Lo
- State Key Laboratory of Chemical Biology and Drug Discovery, Department of Applied Biology and Chemical Technology, The Hong Kong Polytechnic University, Hong Kong SAR.,The Hong Kong Polytechnic University Shenzhen Research Institute, Shenzhen Hi-tech Industrial Park, Shenzhen, 518000, China
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17
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Al‐Hussein MF, Adam MSS. Catalytic evaluation of copper (II)
N
‐salicylidene‐amino acid Schiff base in the various catalytic processes. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5598] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Maryam F.I. Al‐Hussein
- Department of ChemistryCollege of Science King Faisal University, P.O. Box 380, Al Hofuf, Al Ahsa 31982 Saudi Arabia
| | - Mohamed Shaker S. Adam
- Department of ChemistryCollege of Science King Faisal University, P.O. Box 380, Al Hofuf, Al Ahsa 31982 Saudi Arabia
- Chemistry Department, Faculty of ScienceSohag University Sohag ‐82534 Egypt
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18
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Pradhan SR, Nair V, Giannakoudakis DA, Lisovytskiy D, Colmenares JC. Design and development of TiO2 coated microflow reactor for photocatalytic partial oxidation of benzyl alcohol. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.110884] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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19
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Recent progresses in polymer supported cobalt complexes/nanoparticles for sustainable and selective oxidation reactions. MOLECULAR CATALYSIS 2020. [DOI: 10.1016/j.mcat.2020.110775] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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20
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Oxidative desulfurization of dibenzothiophene with molecular oxygen using cobalt and copper salen complexes encapsulated in NaY zeolite. Catal Today 2020. [DOI: 10.1016/j.cattod.2019.05.053] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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21
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Chen T, Huang B, Day S, Tang CC, Tsang SCE, Wong K, Lo TWB. Differential Adsorption of
l
‐ and
d
‐Lysine on Achiral MFI Zeolites as Determined by Synchrotron X‐Ray Powder Diffraction and Thermogravimetric Analysis. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909352] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Tianxiang Chen
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
| | - Bolong Huang
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
| | - Sarah Day
- Diamond Light Source Ltd Didcot OX11 0DE UK
| | | | - Shik Chi Edman Tsang
- Wolfson Catalysis Centre Department of Chemistry University of Oxford Oxford OX1 3QR UK
| | - Kwok‐yin Wong
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
| | - Tsz Woon Benedict Lo
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
- The Hong Kong Polytechnic University Shenzhen Research Institute Shenzhen Hi-tech Industrial Park Shenzhen 518000 China
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22
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Chen T, Huang B, Day S, Tang CC, Tsang SCE, Wong K, Lo TWB. Differential Adsorption ofl‐ andd‐Lysine on Achiral MFI Zeolites as Determined by Synchrotron X‐Ray Powder Diffraction and Thermogravimetric Analysis. Angew Chem Int Ed Engl 2019; 59:1093-1097. [DOI: 10.1002/anie.201909352] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 09/15/2019] [Indexed: 11/11/2022]
Affiliation(s)
- Tianxiang Chen
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
| | - Bolong Huang
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
| | - Sarah Day
- Diamond Light Source Ltd Didcot OX11 0DE UK
| | | | - Shik Chi Edman Tsang
- Wolfson Catalysis Centre Department of Chemistry University of Oxford Oxford OX1 3QR UK
| | - Kwok‐yin Wong
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
| | - Tsz Woon Benedict Lo
- State Key Laboratory of Chemical Biology and Drug Discovery Department of Applied Biology and Chemical Technology The Hong Kong Polytechnic University Hong Kong China
- The Hong Kong Polytechnic University Shenzhen Research Institute Shenzhen Hi-tech Industrial Park Shenzhen 518000 China
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23
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Kumari S, Das B, Ray S. An insight into the catalytic activity of palladium Schiff-base complexes towards the Heck coupling reaction: routes via encapsulation in zeolite-Y. Dalton Trans 2019; 48:15942-15954. [PMID: 31589228 DOI: 10.1039/c9dt03341f] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
A small set of palladium Schiff-base complexes were synthesized and entrapped in the supercage of zeolite-Y. All these novel complexes in both states were systematically characterized with the help of different characterization tools like XRD, SEM-EDS, thermal analysis, XPS, IR, electronic spectroscopic and theoretical studies. These systems were thoroughly studied for their catalytic activities towards the Heck coupling reaction between bromobenzene and styrene. The aim was to meticulously compare the performance of the homogeneous catalysts, i.e., neat palladium Schiff-base complexes with that of their heterogeneous encapsulated analogs. The experimental as well as theoretical electronic structure studies suggested significant structural modification of the guest Pd(ii)-Schiff-base complexes after encapsulation in zeolite Y. These complexes manifested modified catalytic activities towards the Heck coupling reaction. The theoretical studies reinforced the correlation between the modified catalytic properties and structural alteration of these complexes on encapsulation. These heterogeneous catalysts essentially demonstrated the benefits of easy separation and reusability as compared to the homogeneous analogues.
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Affiliation(s)
- Susheela Kumari
- Birla Institute of Technology and Science, Pilani, Rajasthan 333031, India.
| | - Bidisa Das
- Technical Research Center, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Saumi Ray
- Birla Institute of Technology and Science, Pilani, Rajasthan 333031, India.
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24
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Hou J, Hao J, Wang Y, Liu J. Synthesis of CuII/ZIF-8 Metal-organic Framework Catalyst and Its Application in the Aerobic Oxidation of Alcohols. Chem Res Chin Univ 2019. [DOI: 10.1007/s40242-019-9133-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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25
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Sharghi H, Aberi M, Shiri P. Silica‐supported Cu(II)–quinoline complex: Efficient and recyclable nanocatalyst for one‐pot synthesis of benzimidazolquinoline derivatives and 2
H
‐indazoles. Appl Organomet Chem 2019. [DOI: 10.1002/aoc.4974] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Hashem Sharghi
- Department of ChemistryShiraz University Shiraz 71454 Iran
| | - Mahdi Aberi
- Department of ChemistryShiraz University Shiraz 71454 Iran
- Department of Chemical and Materials Engineering, Faculty of Shahid Rajaee, Shiraz BranchTechnical and Vocational University (TVU) Shiraz Iran
| | - Pezhman Shiri
- Department of ChemistryShiraz University Shiraz 71454 Iran
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