1
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Jena R, Rahimi FA, Nath Das T, Mondal SK, Chauhan J, Maji TK. Modulating photophysical properties in a flexible porous host by regulating guest-assisted charge transfer interactions. Chem Commun (Camb) 2024. [PMID: 39390944 DOI: 10.1039/d4cc03630a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/12/2024]
Abstract
The 1D array of electron donor-acceptor chromophoric organic molecules is of paramount importance for photovoltaic, catalytic and optoelectronic applications. Herein, we report coordination driven 1D arrays of an electron-donor guest (fluorene, carbazole, dibenzofuran, and dibenzothiophene) and o-phen chelator as an acceptor in a Zn-based porous coordination polymer, {[Zn(o-phen)(ndc)]·DMF} (PCP-1). All the guest-encapsulated PCPs were characterized by performing single-crystal structure determinations and showed emission driven by charge transfer. Exciton binding energies were calculated and correlated with electron-donating capabiliities of the guest molecules.
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Affiliation(s)
- Rohan Jena
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Post, Bangalore-560064, India.
| | - Faruk Ahamed Rahimi
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Post, Bangalore-560064, India.
| | - Tarak Nath Das
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Post, Bangalore-560064, India
| | - Soumya Kanti Mondal
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Post, Bangalore-560064, India.
| | - Jatin Chauhan
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Post, Bangalore-560064, India.
| | - Tapas Kumar Maji
- Molecular Materials Laboratory, Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Post, Bangalore-560064, India.
- New Chemistry Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur Post, Bangalore-560064, India
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2
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Koupepidou K, Wang SQ, Nikolayenko VI, Castell DC, Matos CMO, Vandichel M, Zaworotko MJ. Gate-opening Induced by C8 Aromatics in a Double Diamondoid Coordination Network. ACS MATERIALS LETTERS 2024; 6:2197-2204. [PMID: 38845756 PMCID: PMC11151277 DOI: 10.1021/acsmaterialslett.4c00511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/10/2024] [Revised: 04/26/2024] [Accepted: 04/26/2024] [Indexed: 06/09/2024]
Abstract
Coordination networks (CNs) that undergo guest-induced structural transformations are of topical interest thanks to their potential utility in separations and storage applications. Herein, we report a double diamondoid (ddi) topology CN, [Ni2(bimpz)2(bdc)2(H2O)] n or X-ddi-2-Ni (H2bdc = 1,4-benzenedicarboxylic acid, bimpz = 3,6-bis(imidazol-1-yl)pyridazine), that undergoes structural transformations induced by C8 isomers, i.e., xylenes (o-xylene, OX; m-xylene, MX; p-xylene, PX) and ethylbenzene (EB). X-ddi-2-Ni was characterized by single-crystal to single-crystal transformations from a nonporous phase, X-ddi-2-Ni-β, to isostructural C8-loaded phases, namely X-ddi-2-Ni-OX, X-ddi-2-Ni-MX, X-ddi-2-Ni-PX and X-ddi-2-Ni-EB. X-ddi-2-Ni accommodates two C8 isomers per Ni unit, resulting in relatively high uptake (ca. 50 wt %), but with low selectivity toward C8 isomers as found using nuclear magnetic resonance (NMR) and gas chromatography (GC). In addition, a narrow range of gate-opening pressures for each isomer was determined from dynamic vapor sorption, consistent with the nonadaptable nature of the C8-loaded phase determined crystallographically, also supported by modeling.
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Affiliation(s)
- Kyriaki Koupepidou
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Shi-Qiang Wang
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
- Institute
of Materials Research and Engineering (IMRE), Agency for Science, Technology and Research (A*STAR), 2 Fusionopolis Way, 138634 Singapore
| | - Varvara I. Nikolayenko
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Dominic C. Castell
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Catiúcia
R. M. O. Matos
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Matthias Vandichel
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Michael J. Zaworotko
- Department
of Chemical Sciences, Bernal Institute, University of Limerick, Limerick V94 T9PX, Republic
of Ireland
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3
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Wang X, Jin Y, Zheng T, Li N, Han Y, Yu B, Wang K, Qi D, Wang T, Jiang J. Crystalline nanosheets of three-dimensional supramolecular frameworks with uniform thickness and high stability. Chem Sci 2024; 15:7586-7595. [PMID: 38784730 PMCID: PMC11110140 DOI: 10.1039/d4sc00656a] [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: 01/28/2024] [Accepted: 04/14/2024] [Indexed: 05/25/2024] Open
Abstract
Fabricating three dimensional (3D) supramolecular frameworks (SMFs) into stable crystalline nanosheets remains a great challenge due to the homogeneous and weak inter-building block interactions along 3D directions. Herein, crystalline nanosheets of a 3D SMF with a uniform thickness of 4.8 ± 0.1 nm immobilized with Pt nanocrystals on the surface (Q[8]/Pt NSs) were fabricated via the solid-liquid reaction between cucurbit[8]uril/H2PtCl6 single crystals and hydrazine hydrate with the help of gas and heat yielded during the reaction process. A series of experiments and theoretical calculations reveal the ultrahigh stability of Q[8]/Pt NSs due to the high density hydrogen bonding interaction among neighboring Q[8] molecules. This in turn endows Q[8]/Pt NSs with excellent photocatalytic and continuous thermocatalytic CO oxidation performance, representing the thus-far reported best Pt nano-material-based catalysts.
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Affiliation(s)
- Xinxin Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Yucheng Jin
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Tianyu Zheng
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Ning Li
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Yuesheng Han
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Baoqiu Yu
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Kang Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Dongdong Qi
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Tianyu Wang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
| | - Jianzhuang Jiang
- Beijing Advanced Innovation Center for Materials Genome Engineering, Beijing Key Laboratory for Science and Application of Functional Molecular and Crystalline Materials, Department of Chemistry and Chemical Engineering, School of Chemistry and Biological Engineering, University of Science and Technology Beijing Beijing 100083 China
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4
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Gao MY, Wang SQ, Bezrukov AA, Darwish S, Song BQ, Deng C, Matos CMO, Liu L, Tang B, Dai S, Yang S, Zaworotko MJ. Switching Adsorbent Layered Material that Enables Stepwise Capture of C 8 Aromatics via Single-Crystal-to-Single-Crystal Transformations. CHEMISTRY OF MATERIALS : A PUBLICATION OF THE AMERICAN CHEMICAL SOCIETY 2023; 35:10001-10008. [PMID: 38107195 PMCID: PMC10720335 DOI: 10.1021/acs.chemmater.3c01920] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Revised: 11/14/2023] [Accepted: 11/15/2023] [Indexed: 12/19/2023]
Abstract
Separation of the C8 aromatic isomers, xylenes (PX, MX, and OX) and ethylbenzene (EB), is important to the petrochemical industry. Whereas physisorptive separation is an energy-efficient alternative to current processes, such as distillation, physisorbents do not generally exhibit strong C8 selectivity. Herein, we report the mixed-linker square lattice (sql) coordination network [Zn2(sba)2(bis)]n·mDMF (sql-4,5-Zn, H2sba or 4 = 4,4'-sulfonyldibenzoic acid, bis or 5 = trans-4,4'-bis(1-imidazolyl)stilbene) and its C8 sorption properties. sql-4,5-Zn was found to exhibit high uptake capacity for liquid C8 aromatics (∼20.2 wt %), and to the best of our knowledge, it is the first sorbent to exhibit selectivity for PX, EB, and MX over OX for binary, ternary, and quaternary mixtures from gas chromatography. Single-crystal structures of narrow-pore, intermediate-pore, and large-pore phases provided insight into the phase transformations, which were enabled by flexibility of the linker ligands and changes in the square grid geometry and interlayer distances. This work adds to the library of two-dimensional coordination networks that exhibit high uptake, thanks to clay-like expansion, and strong selectivity, thanks to shape-selective binding sites, for C8 isomers.
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Affiliation(s)
- Mei-Yan Gao
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Shi-Qiang Wang
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
- Agency
for Science, Technology and Research (A*STAR), Institute of Materials Research and Engineering (IMRE), 2 Fusionopolis Way, 138634 Republic
of Singapore
| | - Andrey A. Bezrukov
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Shaza Darwish
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Bai-Qiao Song
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Chenghua Deng
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Catiúcia
R. M. O. Matos
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
| | - Lunjie Liu
- Department
of Materials Science and Engineering, Southern
University of Science and Technology, Shenzhen, Guangdong 518055, China
| | - Boya Tang
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Shan Dai
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
| | - Sihai Yang
- Department
of Chemistry, University of Manchester, Manchester M13 9PL, United Kingdom
- College
of Chemistry and Molecular Engineering, Beijing National Laboratory
for Molecular Sciences, Peking University, Beijing 100871, China
| | - Michael J. Zaworotko
- Department
of Chemical Sciences, Bernal Institute,
University of Limerick, Limerick V94 T9PX, Republic
of Ireland
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5
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Pedrini A, Marchetti D, Pinalli R, Massera C. Stimuli-Responsive, Dynamic Supramolecular Organic Frameworks. Chempluschem 2023; 88:e202300383. [PMID: 37675865 DOI: 10.1002/cplu.202300383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2023] [Revised: 09/04/2023] [Accepted: 09/04/2023] [Indexed: 09/08/2023]
Abstract
Supramolecular organic frameworks (SOFs) are a class of three-dimensional, potentially porous materials obtained by the self-assembly of organic building blocks held together by weak interactions such as hydrogen bonds, halogen bonds, π⋅⋅⋅π stacking and dispersion forces. SOFs are being extensively studied for their potential applications in gas storage and separation, catalysis, guest encapsulation and sensing. The supramolecular forces that guide their self-assembly endow them with an attractive combination of crystallinity and flexibility, providing intelligent dynamic materials that can respond to external stimuli in a reversible way. The present review article will focus on SOFs showing dynamic behaviour when exposed to different stimuli, highlighting fundamental aspects such as the combination of tectons and supramolecular interactions involved in the framework formation, structure-property relationship and their potential applications.
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Affiliation(s)
- Alessandro Pedrini
- Department of Chemistry, Life Sciences and Environmental Sustainability and INSTM UdR Parma, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Danilo Marchetti
- Department of Chemistry, Life Sciences and Environmental Sustainability and INSTM UdR Parma, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
- Center for Materials Interfaces, Electron Crystallography, Istituto Italiano di Tecnologia, Viale Rinaldo Piaggio 34, 56025, Pontedera, Italy
| | - Roberta Pinalli
- Department of Chemistry, Life Sciences and Environmental Sustainability and INSTM UdR Parma, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Chiara Massera
- Department of Chemistry, Life Sciences and Environmental Sustainability and INSTM UdR Parma, University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
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6
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Jena R, Laha S, Dwarkanath N, Hazra A, Haldar R, Balasubramanian S, Maji TK. Noncovalent interaction guided selectivity of haloaromatic isomers in a flexible porous coordination polymer. Chem Sci 2023; 14:12321-12330. [PMID: 37969590 PMCID: PMC10631220 DOI: 10.1039/d3sc03079b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Accepted: 10/04/2023] [Indexed: 11/17/2023] Open
Abstract
Porous, supramolecular structures exhibit preferential encapsulation of guest molecules, primarily by means of differences in the order of (noncovalent) interactions. The encapsulation preferences can be for geometry (dimension and shape) and the chemical nature of the guest. While geometry-based sorting is relatively straightforward using advanced porous materials, designing a "chemical nature" specific host is not. To introduce "chemical specificity", the host must retain an accessible and complementary recognition site. In the case of a supramolecular, porous coordination polymer (PCP) [Zn(o-phen)(ndc)] (o-phen: 1,10-phenanthroline, ndc: 2,6-naphthalenedicarboxylate) host, equipped with an adaptable recognition pocket, we have discovered that the preferential encapsulation of a haloaromatic isomer is not only for dimension and shape, but also for the "chemical nature" of the guest. This selectivity, i.e., preference for the dimension, shape and chemical nature, is not guided by any complementary recognition site, which is commonly required for "chemical specificity". Insights from crystal structures and computational studies unveil that the differences in the different types of noncovalent host-guest interaction strengths, acting in a concerted fashion, yield the unique selectivity.
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Affiliation(s)
- Rohan Jena
- Chemistry and Physics of Materials Unit (CPMU), School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur Bangalore-560064 India
| | - Subhajit Laha
- Chemistry and Physics of Materials Unit (CPMU), School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur Bangalore-560064 India
| | - Nimish Dwarkanath
- Chemistry and Physics of Materials Unit (CPMU), School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur Bangalore-560064 India
| | - Arpan Hazra
- Chemistry and Physics of Materials Unit (CPMU), School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur Bangalore-560064 India
| | - Ritesh Haldar
- Tata Institute of Fundamental Research Hyderabad Gopanpally Hyderabad 500046 Telangana India
| | - Sundaram Balasubramanian
- Chemistry and Physics of Materials Unit (CPMU), School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur Bangalore-560064 India
| | - Tapas Kumar Maji
- Chemistry and Physics of Materials Unit (CPMU), School of Advanced Materials (SAMat) Jawaharlal Nehru Centre for Advanced Scientific Research (JNCASR) Jakkur Bangalore-560064 India
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7
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Zhao YJ, Tang WQ, Wang XW, Zhao HF, Gu ZY, Yang Q, Liu D. Isomer recognition by dynamic guest-adaptive ligand rotation in a metal-organic framework with local flexibility. Chem Sci 2022; 13:11896-11903. [PMID: 36320898 PMCID: PMC9580480 DOI: 10.1039/d2sc03923k] [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: 07/14/2022] [Accepted: 09/26/2022] [Indexed: 11/24/2022] Open
Abstract
Local flexibility in a metal-organic framework is intriguing for reconstructing a microenvironment to distinguish different guest molecules by emphasizing their differences. Herein, guest-adaptive flexibility is observed in a metal-organic framework for efficiently discriminating aromatic isomers. Microcrystal electron diffraction directly reveals that the anthracene rings can rotate around the single bond with the adsorption of guest molecules. Disorder transformation of the ligand enables the preferential adsorption of ethylbenzene over other xylene isomers. Especially, a coated capillary column combining single/multi-component adsorption confirms a unique separation order of ethylbenzene > p-xylene > m-xylene > o-xylene with excellent selectivities, which has not been reported in other materials. Density functional theory calculations and the calculated Hirshfeld surface of guest molecules in the framework demonstrate that a guest-induced splint-like confinement structure makes the main contribution to such separation performance. This finding will provide a rational strategy for molecular recognition utilizing the local flexibility of metal-organic frameworks.
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Affiliation(s)
- Ying-Jie Zhao
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology Beijing 100029 PR China
| | - Wen-Qi Tang
- Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University Nanjing 210023 PR China
| | - Xiao-Wei Wang
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology Beijing 100029 PR China
| | - Hui-Fang Zhao
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology Beijing 100029 PR China
| | - Zhi-Yuan Gu
- Jiangsu Key Laboratory of Biofunctional Materials, College of Chemistry and Materials Science, Nanjing Normal University Nanjing 210023 PR China
| | - Qingyuan Yang
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology Beijing 100029 PR China
| | - Dahuan Liu
- State Key Laboratory of Organic-Inorganic Composites, College of Chemical Engineering, Beijing University of Chemical Technology Beijing 100029 PR China
- College of Chemical Engineering, Qinghai University Xining 810016 China
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8
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Bhattacharyya S, Maji TK. Multi-dimensional metal-organic frameworks based on mixed linkers: Interplay between structural flexibility and functionality. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214645] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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9
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A gating ultramicroporous metal-organic framework showing high adsorption selectivity, capacity and rate for xylene separation. Sci China Chem 2022. [DOI: 10.1007/s11426-022-1304-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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10
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Laha S, Dwarkanath N, Sharma A, Rambabu D, Balasubramanian S, Maji TK. Tailoring a robust Al-MOF for trapping C 2H 6 and C 2H 2 towards efficient C 2H 4 purification from quaternary mixtures. Chem Sci 2022; 13:7172-7180. [PMID: 35799813 PMCID: PMC9214891 DOI: 10.1039/d2sc01180h] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Accepted: 05/15/2022] [Indexed: 01/23/2023] Open
Abstract
Light hydrocarbon separation is considered one of the most industrially challenging and desired chemical separation processes and is highly essential in polymer and chemical industries. Among them, separating ethylene (C2H4) from C2 hydrocarbon mixtures such as ethane (C2H6), acetylene (C2H2), and other natural gas elements (CO2, CH4) is of paramount importance and poses significant difficulty. We demonstrate such separations using an Al-MOF synthesised earlier as a non-porous material, but herein endowed with hierarchical porosity created under microwave conditions in an equimolar water/ethanol solution. The material possessing a large surface area (793 m2 g−1) exhibits an excellent uptake capacity for major industrial hydrocarbons in the order of C2H2 > C2H6 > CO2 > C2H4 > CH4 under ambient conditions. It shows an outstanding dynamic breakthrough separation of ethylene (C2H4) not only for a binary mixture (C2H6/C2H4) but also for a quaternary combination (C2H4/C2H6/C2H2/CO2 and C2H4/C2H6/C2H2/CH4) of varying concentrations. The detailed separation/purification mechanism was unveiled by gas adsorption isotherms, mixed-gas adsorption calculations, selectivity estimations, advanced computer simulations such as density functional theory (DFT), grand canonical Monte Carlo (GCMC) and ab initio molecular dynamics (AIMD), and stepwise multicomponent dynamic breakthrough experiments. Industrially important C2H4 purification from multi-component hydrocarbon mixtures.![]()
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Affiliation(s)
- Subhajit Laha
- Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Post Bangalore 560064 India https://www.jncasr.ac.in/tmaji
| | - Nimish Dwarkanath
- Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Post Bangalore 560064 India https://www.jncasr.ac.in/tmaji
| | - Abhishek Sharma
- Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Post Bangalore 560064 India https://www.jncasr.ac.in/tmaji
| | - Darsi Rambabu
- Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Post Bangalore 560064 India https://www.jncasr.ac.in/tmaji
| | - Sundaram Balasubramanian
- Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Post Bangalore 560064 India https://www.jncasr.ac.in/tmaji
| | - Tapas Kumar Maji
- Chemistry and Physics of Materials Unit, School of Advanced Materials (SAMat), Jawaharlal Nehru Centre for Advanced Scientific Research Jakkur Post Bangalore 560064 India https://www.jncasr.ac.in/tmaji
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