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Wang J, Buzolic JJ, Mullen JW, Fitzgerald PA, Aman ZM, Forsyth M, Li H, Silvester DS, Warr GG, Atkin R. Nanostructure of Locally Concentrated Ionic Liquids in the Bulk and at Graphite and Gold Electrodes. ACS NANO 2023; 17:21567-21584. [PMID: 37883191 DOI: 10.1021/acsnano.3c06609] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/27/2023]
Abstract
The physical properties of ionic liquids (ILs) have led to intense research interest, but for many applications, high viscosity is problematic. Mixing the IL with a diluent that lowers viscosity offers a solution if the favorable IL physical properties are not compromised. Here we show that mixing an IL or IL electrolyte (ILE, an IL with dissolved metal ions) with a nonsolvating fluorous diluent produces a low viscosity mixture in which the local ion arrangements, and therefore key physical properties, are retained or enhanced. The locally concentrated ionic liquids (LCILs) examined are 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide (HMIM TFSI), 1-hexyl-3-methylimidazolium tris(pentafluoroethyl)trifluorophosphate (HMIM FAP), or 1-butyl-3-methylimidazolium tris(pentafluoroethyl)trifluorophosphate (BMIM FAP) mixed with 1,1,2,2-tetrafluoroethyl 2,2,2-trifluoroethyl ether (TFTFE) at 2:1, 1:1, and 1:2 (w/w) IL:TFTFE, as well as the locally concentrated ILEs (LCILEs) formed from 2:1 (w/w) HMIM TFSI-TFTFE with 0.25, 0.5, and 0.75 m lithium bis(trifluoromethylsulfonyl)imide (LiTFSI). Rheology and conductivity measurements reveal that the added TFTFE significantly reduces viscosity and increases ionic conductivity, and cyclic voltammetry (CV) reveals minimal reductions in electrochemical windows on gold and carbon electrodes. This is explained by the small- and wide-angle X-ray scattering (S/WAXS) and atomic force microscopy (AFM) data, which show that the local ion nanostructures are largely retained in LCILs and LCILEs in bulk and at gold and graphite electrodes for all potentials investigated.
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Affiliation(s)
- Jianan Wang
- School of Molecular Sciences, The University of Western Australia, Perth 6009, Australia
| | - Joshua J Buzolic
- School of Molecular Sciences, The University of Western Australia, Perth 6009, Australia
| | - Jesse W Mullen
- School of Molecular and Life Sciences, Curtin University, Perth 6102, Australia
| | - Paul A Fitzgerald
- Sydney Analytical, Core Research Facilities, The University of Sydney, Sydney 2050, Australia
| | - Zachary M Aman
- Department of Chemical Engineering, The University of Western Australia, Perth 6009, Australia
| | - Maria Forsyth
- Institute for Frontier Materials and the ARC Centre of Excellence for Electromaterials Science, Deakin University, Geelong 3220, Australia
| | - Hua Li
- School of Molecular Sciences, The University of Western Australia, Perth 6009, Australia
- Centre for Microscopy, Characterisation and Analysis, The University of Western Australia, Perth 6009, Australia
| | - Debbie S Silvester
- School of Molecular and Life Sciences, Curtin University, Perth 6102, Australia
| | - Gregory G Warr
- School of Chemistry and Sydney Nano Institute, The University of Sydney, Sydney 2050, Australia
| | - Rob Atkin
- School of Molecular Sciences, The University of Western Australia, Perth 6009, Australia
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2
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Servis MJ, Nayak S, Seifert S. The pervasive impact of critical fluctuations in liquid-liquid extraction organic phases. J Chem Phys 2021; 155:244506. [PMID: 34972370 DOI: 10.1063/5.0074995] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Liquid-liquid extraction is an essential chemical separation technique where polar solutes are extracted from an aqueous phase into a nonpolar organic solvent by amphiphilic extractant molecules. A fundamental limitation to the efficiency of this important technology is third phase formation, wherein the organic phase splits upon sufficient loading of polar solutes. The nanoscale drivers of phase splitting are challenging to understand in the complex hierarchically structured organic phases. In this study, we demonstrate that the organic phase structure and phase behavior are fundamentally connected in a way than can be understood with critical phenomena theory. For a series of binary mixtures of trialkyl phosphate extractants with linear alkane diluents, we combine small angle x-ray scattering and molecular dynamics simulations to demonstrate how the organic phase mesostructure over a wide range of compositions is dominated by critical concentration fluctuations associated with the critical point of the third phase formation phase transition. These findings reconcile many longstanding inconsistencies in the literature where small angle scattering features, also consistent with such critical fluctuations, were interpreted as reverse micellar-like particles. Overall, this study shows how the organic phase mesostructure and phase behavior are intrinsically linked, deepening our understanding of both and providing a new framework for using molecular structure and thermodynamic variables to control mesostructure and phase behavior in liquid-liquid extraction.
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Affiliation(s)
- Michael J Servis
- Argonne National Laboratory, Chemical Sciences and Engineering Division, Lemont, Illinois 60439, USA
| | - Srikanth Nayak
- Argonne National Laboratory, Chemical Sciences and Engineering Division, Lemont, Illinois 60439, USA
| | - Soenke Seifert
- Argonne National Laboratory, X-ray Science Division, Lemont, Illinois 60439, USA
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3
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Hosseini S, Falahati N, Gutiérrez A, Alavianmehr M, Khalifeh R, Aparicio S. On the properties of N-methyl-2-pyrrolidonium hydrogen sulfate ionic liquid and alkanol mixtures. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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4
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Triolo A, Di Pietro ME, Mele A, Lo Celso F, Brehm M, Di Lisio V, Martinelli A, Chater P, Russina O. Liquid structure and dynamics in the choline acetate:urea 1:2 deep eutectic solvent. J Chem Phys 2021; 154:244501. [PMID: 34241369 DOI: 10.1063/5.0054048] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
We report on the thermodynamic, structural, and dynamic properties of a recently proposed deep eutectic solvent, formed by choline acetate (ChAc) and urea (U) at the stoichiometric ratio 1:2, hereinafter indicated as ChAc:U. Although the crystalline phase melts at 36-38 °C depending on the heating rate, ChAc:U can be easily supercooled at sub-ambient conditions, thus maintaining at the liquid state, with a glass-liquid transition at about -50 °C. Synchrotron high energy x-ray scattering experiments provide the experimental data for supporting a reverse Monte Carlo analysis to extract structural information at the atomistic level. This exploration of the liquid structure of ChAc:U reveals the major role played by hydrogen bonding in determining interspecies correlations: both acetate and urea are strong hydrogen bond acceptor sites, while both choline hydroxyl and urea act as HB donors. All ChAc:U moieties are involved in mutual interactions, with acetate and urea strongly interacting through hydrogen bonding, while choline being mostly involved in van der Waals mediated interactions. Such a structural situation is mirrored by the dynamic evidences obtained by means of 1H nuclear magnetic resonance techniques, which show how urea and acetate species experience higher translational activation energy than choline, fingerprinting their stronger commitments into the extended hydrogen bonding network established in ChAc:U.
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Affiliation(s)
- Alessandro Triolo
- Laboratorio Liquidi Ionici, Istituto Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Rome, Italy
| | - Maria Enrica Di Pietro
- Department of Chemistry, Materials and Chemical Engineering "G. Natta," Politecnico di Milano, Milano, Italy
| | - Andrea Mele
- Department of Chemistry, Materials and Chemical Engineering "G. Natta," Politecnico di Milano, Milano, Italy
| | - Fabrizio Lo Celso
- Laboratorio Liquidi Ionici, Istituto Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Rome, Italy
| | - Martin Brehm
- Institut für Chemie, Martin-Luther-Universität Halle-Wittenberg, Halle (Saale), Germany
| | - Valerio Di Lisio
- Department of Chemistry, University of Rome Sapienza, Rome, Italy
| | | | - Philip Chater
- Diamond House, Harwell Science and Innovation Campus, Diamond Light Source, Ltd., Didcot, Oxfordshire OX11 0DE, United Kingdom
| | - Olga Russina
- Laboratorio Liquidi Ionici, Istituto Struttura della Materia, Consiglio Nazionale delle Ricerche (ISM-CNR), Rome, Italy
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5
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Servis MJ, Stephenson GB. Mesostructuring in Liquid-Liquid Extraction Organic Phases Originating from Critical Points. J Phys Chem Lett 2021; 12:5807-5812. [PMID: 34137623 DOI: 10.1021/acs.jpclett.1c01429] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Organic phase structure plays an important role in solute extraction energetics and phase behavior of liquid-liquid extraction (LLE) systems. For a binary extractant (amphiphile)/solvent mixture of relevance to LLE, we find that the organic phase mesostructuring is consistent with extractant concentration fluctuations as the compositional isotherm traverses the Widom line above its liquid-liquid critical point. This reveals a different mechanism for the well-documented heterogeneities in LLE organic phases that are typically attributed to micellization.
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Affiliation(s)
- Michael J Servis
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - G B Stephenson
- Materials Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
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6
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Atamas N, Yablochkova K, Lazarenko M. Microscopic dynamics and the dynamic heterogeneity of motion of polar molecules in ionic liquids. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115900] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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8
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Zhao M, Wu B, Castner EW. Mixtures of octanol and an ionic liquid: Structure and transport. J Chem Phys 2020; 153:214501. [DOI: 10.1063/5.0031989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Man Zhao
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
| | - Boning Wu
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
| | - Edward W. Castner
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
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9
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Servis MJ, Piechowicz M, Shkrob IA, Soderholm L, Clark AE. Amphiphile Organization in Organic Solutions: An Alternative Explanation for Small-Angle X-ray Scattering Features in Malonamide/Alkane Mixtures. J Phys Chem B 2020; 124:10822-10831. [DOI: 10.1021/acs.jpcb.0c07080] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Michael J. Servis
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
| | - Marek Piechowicz
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Ilya A. Shkrob
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - L. Soderholm
- Chemical Sciences and Engineering Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Aurora E. Clark
- Department of Chemistry, Washington State University, Pullman, Washington 99164, United States
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, Washington 99164, United States
- Pacific Northwest National Laboratory, Richland, Washington 99354, United States
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10
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Percevault L, Jani A, Sohier T, Noirez L, Paquin L, Gauffre F, Morineau D. Do Deep Eutectic Solvents Form Uniform Mixtures Beyond Molecular Microheterogeneities? J Phys Chem B 2020; 124:9126-9135. [DOI: 10.1021/acs.jpcb.0c06317] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Lucie Percevault
- Institute of Chemical Sciences of Rennes, CNRS-University of Rennes 1, UMR 6226, Rennes F-35042, France
| | - Aicha Jani
- Institute of Physics of Rennes, CNRS-University of Rennes 1, UMR 6251, Rennes F-35042, France
| | - Thibaut Sohier
- Institute of Physics of Rennes, CNRS-University of Rennes 1, UMR 6251, Rennes F-35042, France
| | - Laurence Noirez
- Laboratoire Léon Brillouin (CEA-CNRS), CEA-Saclay, Université Paris-Saclay, Gif-sur-Yvette F-91191, France
| | - Ludovic Paquin
- Institute of Chemical Sciences of Rennes, CNRS-University of Rennes 1, UMR 6226, Rennes F-35042, France
| | - Fabienne Gauffre
- Institute of Chemical Sciences of Rennes, CNRS-University of Rennes 1, UMR 6226, Rennes F-35042, France
| | - Denis Morineau
- Institute of Physics of Rennes, CNRS-University of Rennes 1, UMR 6251, Rennes F-35042, France
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11
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Wang YL, Li B, Sarman S, Mocci F, Lu ZY, Yuan J, Laaksonen A, Fayer MD. Microstructural and Dynamical Heterogeneities in Ionic Liquids. Chem Rev 2020; 120:5798-5877. [PMID: 32292036 PMCID: PMC7349628 DOI: 10.1021/acs.chemrev.9b00693] [Citation(s) in RCA: 192] [Impact Index Per Article: 48.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Indexed: 12/11/2022]
Abstract
Ionic liquids (ILs) are a special category of molten salts solely composed of ions with varied molecular symmetry and charge delocalization. The versatility in combining varied cation-anion moieties and in functionalizing ions with different atoms and molecular groups contributes to their peculiar interactions ranging from weak isotropic associations to strong, specific, and anisotropic forces. A delicate interplay among intra- and intermolecular interactions facilitates the formation of heterogeneous microstructures and liquid morphologies, which further contributes to their striking dynamical properties. Microstructural and dynamical heterogeneities of ILs lead to their multifaceted properties described by an inherent designer feature, which makes ILs important candidates for novel solvents, electrolytes, and functional materials in academia and industrial applications. Due to a massive number of combinations of ion pairs with ion species having distinct molecular structures and IL mixtures containing varied molecular solvents, a comprehensive understanding of their hierarchical structural and dynamical quantities is of great significance for a rational selection of ILs with appropriate properties and thereafter advancing their macroscopic functionalities in applications. In this review, we comprehensively trace recent advances in understanding delicate interplay of strong and weak interactions that underpin their complex phase behaviors with a particular emphasis on understanding heterogeneous microstructures and dynamics of ILs in bulk liquids, in mixtures with cosolvents, and in interfacial regions.
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Affiliation(s)
- Yong-Lei Wang
- Department
of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Bin Li
- School
of Chemical Engineering and Technology, Sun Yat-sen University, Zhuhai 519082, P. R. China
| | - Sten Sarman
- Department
of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Francesca Mocci
- Department
of Chemical and Geological Sciences, University
of Cagliari, I-09042 Monserrato, Italy
| | - Zhong-Yuan Lu
- State
Key Laboratory of Supramolecular Structure and Materials, Institute
of Theoretical Chemistry, Jilin University, Changchun 130021, P. R. China
| | - Jiayin Yuan
- Department
of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
| | - Aatto Laaksonen
- Department
of Materials and Environmental Chemistry, Arrhenius Laboratory, Stockholm University, SE-106 91 Stockholm, Sweden
- State
Key Laboratory of Materials-Oriented and Chemical Engineering, Nanjing Tech University, Nanjing 210009, P. R. China
- Centre of
Advanced Research in Bionanoconjugates and Biopolymers, Petru Poni Institute of Macromolecular Chemistry Aleea Grigore Ghica-Voda, 41A, 700487 Iasi, Romania
- Department
of Engineering Sciences and Mathematics, Division of Energy Science, Luleå University of Technology, SE-97187 Luleå, Sweden
| | - Michael D. Fayer
- Department
of Chemistry, Stanford University, Stanford, California 94305, United States
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12
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Yalcin D, Welsh ID, Matthewman EL, Jun SP, Mckeever-Willis M, Gritcan I, Greaves TL, Weber CC. Structural investigations of molecular solutes within nanostructured ionic liquids. Phys Chem Chem Phys 2020; 22:11593-11608. [PMID: 32400798 DOI: 10.1039/d0cp00783h] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Ionic liquids (ILs) containing sufficiently long alkyl chains form amphiphilic nanostructures with well-defined polar and non-polar domains. Here we have explored the robustness of these amphiphilic nanostructures to added solutes and gained insight into how the nature of the solute and IL ions affect the partitioning of these solutes within the nanostructured domains of ILs. To achieve this, small angle X-ray scattering (SAXS) investigations were performed and discussed for mixtures of 9 different molecular compounds with 6 different ILs containing imidazolium cations. The amphiphilic nanostructure of ILs persisted to high solute concentrations, over 50 mol% of added solute for most 1-butyl-3-methylimidazolium ILs and above 80 mol% for most 1-decyl-3-methylimidazolium ILs. Solute partitioning within these domains was found to be controlled by the inherent polarity and size of the solute, as well as specific interactions between the solute and IL ions, with SAXS results corroborated with IR spectroscopy and molecular dynamics simulations. Molecular dynamics simulations also revealed the ability to induce π+-π+ stacking between imidazolium cations through the use of these added molecular compounds. Collectively, these results provide scope for the selection of IL ions to rationally influence and control the partitioning behaviour of given solutes within the amphiphilic nanostructure of ILs.
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Affiliation(s)
- Dilek Yalcin
- School of Science, RMIT University, Melbourne, Australia
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13
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Warr GG, Atkin R. Solvophobicity and amphiphilic self-assembly in neoteric and nanostructured solvents. Curr Opin Colloid Interface Sci 2020. [DOI: 10.1016/j.cocis.2019.12.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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14
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Wu B, Kuroda K, Takahashi K, Castner EW. Structural analysis of zwitterionic liquids vs. homologous ionic liquids. J Chem Phys 2018; 148:193807. [PMID: 30307210 DOI: 10.1063/1.5010983] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Zwitterionic liquids (Zw-ILs) have been developed that are homologous to monovalent ionic liquids (ILs) and show great promise for controlled dissolution of cellulosic biomass. Using both high energy X-ray scattering and atomistic molecular simulations, this article compares the bulk liquid structural properties for novel Zw-ILs with their homologous ILs. It is shown that the significant localization of the charges on Zw-ILs leads to charge ordering similar to that observed for conventional ionic liquids with monovalent anions and cations. A low-intensity first sharp diffraction peak in the liquid structure factor S(q) is observed for both the Zw-IL and the IL. This is unexpected since both the Zw-IL and IL have a 2-(2-methoxyethoxy)ethyl (diether) functional group on the cationic imidazolium ring and ether functional groups are known to suppress this peak. Detailed analyses show that this intermediate range order in the liquid structure arises for slightly different reasons in the Zw-IL vs. the IL. For the Zw-IL, the ether tails in the liquid are shown to aggregate into nanoscale domains.
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Affiliation(s)
- Boning Wu
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
| | - Kosuke Kuroda
- Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Kenji Takahashi
- Institute of Science and Engineering, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - Edward W Castner
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, USA
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15
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Nandi S, Parui S, Jana B, Bhattacharyya K. Local environment of organic dyes in an ionic liquid-water mixture: FCS and MD simulation. J Chem Phys 2018; 149:054501. [DOI: 10.1063/1.5027458] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Affiliation(s)
- Somen Nandi
- Department of Physical Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Sridip Parui
- Department of Physical Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Biman Jana
- Department of Physical Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
| | - Kankan Bhattacharyya
- Department of Physical Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
- Department of Chemistry, Indian Institute of Science Education and Research Bhopal, Bhopal 462066, Madhya Pradesh, India
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16
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Ionic Liquid: Complexity in Structure and Dynamics, Interaction with Proteins and In Situ Generation of Metal Nano-clusters for Live Cell Imaging. PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES INDIA SECTION A-PHYSICAL SCIENCES 2018. [DOI: 10.1007/s40010-018-0516-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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17
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Kobrak MN, Yager KG. X-Ray scattering and physicochemical studies of trialkylamine/carboxylic acid mixtures: nanoscale structure in pseudoprotic ionic liquids and related solutions. Phys Chem Chem Phys 2018; 20:18639-18646. [PMID: 29955736 DOI: 10.1039/c8cp02854k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
We report the results of X-ray scattering, physical, and spectroscopic measurements on a series of water-saturated trialkylamine/carboxylic acid mixtures. The results demonstrate the existence of well-defined nanoscale structures in bulk liquid mixtures at specific acid : amine ratios. These structures are analogous to those observed in ionic liquids but are driven by the formation of a hydrogen-bonded network rather than via inter-ion Coulomb forces. The results of the physical components of this study are closely analogous to prior observations on anhydrous, low molecular weight acid/amine mixtures, but this is to our knowledge the first time these observations have been augmented by the use of X-ray scattering. The results therefore bridge the gap between early work on amine/acid mixtures and recent studies of protic and pseudoprotic ionic liquids.
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Affiliation(s)
- Mark N Kobrak
- Department of Chemistry, Brooklyn College of the City University of New York, 2900 Bedford Ave., Brooklyn, NY 11210, USA.
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18
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Structures of binary mixtures of ionic liquid 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide with primary alcohols: The role of hydrogen-bonding. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.03.124] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Zhang C, Rao H, Zhao K. Dielectric Insights into the Microcosmic Behavior of Ionic Liquid-Based Self-Assembly—Microemulsions/Micelles. J Phys Chem B 2018; 122:7170-7177. [DOI: 10.1021/acs.jpcb.8b03024] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Cancan Zhang
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Haixia Rao
- College of Chemistry, Beijing Normal University, Beijing 100875, China
| | - Kongshuang Zhao
- College of Chemistry, Beijing Normal University, Beijing 100875, China
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20
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Lo Celso F, Triolo A, Gontrani L, Russina O. Communication: Anion-specific response of mesoscopic organization in ionic liquids upon pressurization. J Chem Phys 2018; 148:211102. [DOI: 10.1063/1.5036588] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Fabrizio Lo Celso
- Dipartimento di Fisica e Chimica, Università di Palermo, Palermo, Italy
- Laboratorio Liquidi Ionici, Istituto Struttura della Materia, CNR (ISM-CNR), Rome, Italy
| | - Alessandro Triolo
- Laboratorio Liquidi Ionici, Istituto Struttura della Materia, CNR (ISM-CNR), Rome, Italy
| | - Lorenzo Gontrani
- Dipartimento di Chimica, Sapienza University, P. le Aldo Moro 5, Roma, Italy
| | - Olga Russina
- Dipartimento di Chimica, Sapienza University, P. le Aldo Moro 5, Roma, Italy
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21
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McKenna GB. Soft matter: rubber and networks. REPORTS ON PROGRESS IN PHYSICS. PHYSICAL SOCIETY (GREAT BRITAIN) 2018; 81:066602. [PMID: 29671408 DOI: 10.1088/1361-6633/aaafe2] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
Rubber networks are important and form the basis for materials with properties ranging from rubber tires to super absorbents and contact lenses. The development of the entropy ideas of rubber deformation thermodynamics provides a powerful framework from which to understand and to use these materials. In addition, swelling of the rubber in the presence of small molecule liquids or solvents leads to materials that are very soft and 'gel' like in nature. The review covers the thermodynamics of polymer networks and gels from the perspective of the thermodynamics and mechanics of the strain energy density function. Important relationships are presented and experimental results show that the continuum ideas contained in the phenomenological thermodynamics are valid, but that the molecular bases for some of them remain to be fully elucidated. This is particularly so in the case of the entropic gels or swollen networks. The review is concluded with some perspectives on other networks, ranging from entropic polymer networks such as thermoplastic elastomers to physical gels in which cross-link points are formed by glassy or crystalline domains. A discussion is provided for other physical gels in which the network forms a spinodal-like decomposition, both in thermoplastic polymers that form a glassy network upon phase separation and for colloidal gels that seem to have a similar behavior.
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Affiliation(s)
- Gregory B McKenna
- Department of Chemical Engineering, Whitacre College of Engineering, Texas Tech University, Lubbock, TX 79409-3121, United States of America. Laboratoire Sciences et Ingénierie de la Matière Molle, CNRS UMR7615, Ecole Supérieure de Physique et de Chimie Industrielles de la Ville de Paris, ESPCI ParisTech, 10, rue Vauquelin, 75231 Paris cedex 05, France
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22
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Alcalde R, Atilhan M, Aparicio S. Intermolecular forces in 1-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide + ethanol mixtures. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.02.064] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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23
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Gutiérrez A, Atilhan M, Alcalde R, Trenzado J, Aparicio S. Insights on the mixtures of imidazolium based ionic liquids with molecular solvents. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.01.167] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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24
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Ren G, Chen L, Wang Y. Dynamic heterogeneity in aqueous ionic solutions. Phys Chem Chem Phys 2018; 20:21313-21324. [DOI: 10.1039/c8cp02787k] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
It is well known that supercooled liquids have heterogeneous dynamics, but it is still unclear whether dynamic heterogeneity also exists in aqueous ionic solutions at room or even higher temperatures.
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Affiliation(s)
- Gan Ren
- Department of Physics
- Civil Aviation Flight University of China
- Guanghan
- China
| | - Lin Chen
- State Key Laboratory of Environment-Friendly Energy Material
- Southwest University of Science and Technology
- Mianyang
- China
| | - Yanting Wang
- CAS Key Laboratory of Theoretical Physics
- Institute of Theoretical Physics
- Chinese Academy of Sciences
- Beijing
- China
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25
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Mariani A, Caminiti R, Ramondo F, Salvitti G, Mocci F, Gontrani L. Inhomogeneity in Ethylammonium Nitrate-Acetonitrile Binary Mixtures: The Highest "Low q Excess" Reported to Date. J Phys Chem Lett 2017. [PMID: 28651052 DOI: 10.1021/acs.jpclett.7b01244] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
The binary mixtures of the ionic liquid ethylammonium nitrate with acetonitrile have been studied by means of wide- and small-angle X-ray scattering and via two different computational methods, namely, classical molecular dynamics and DFT. The recently debated odd feature in the extreme low q region of some ionic liquid-based binary mixtures is linked to density fluctuations within the system. We show how the "low q excess" is due to some nanoscopic objects which are formed at certain compositions. These structures have different density with respect to the surrounding, thus generating the feature observed. Our results also show how the local arrangement is directly linked to the long-range structure. Moreover, we found once again a similarity in the physicochemical behavior of ethylammonium nitrate and water.
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Affiliation(s)
- Alessandro Mariani
- Dipartimento di Chimica, La Sapienza Università di Roma , Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Ruggero Caminiti
- Dipartimento di Chimica, La Sapienza Università di Roma , Piazzale Aldo Moro 5, 00185 Rome, Italy
- Centro di Ricerca per le Nanotecnologie Applicate all'Ingegneria, Laboratorio per le Nanotecnologie e le Nanoscienze, La Sapienza Università di Roma , Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Fabio Ramondo
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila , Via Vetoio, L'Aquila I-67100, Italy
| | - Giovanna Salvitti
- Dipartimento di Scienze Fisiche e Chimiche, Università degli Studi dell'Aquila , Via Vetoio, L'Aquila I-67100, Italy
| | - Francesca Mocci
- Dipartimento di Scienze Chimiche e Geologiche, Università di Cagliari , S.S. 554 Km 4,500, I-09042 Monserrato, Italy
| | - Lorenzo Gontrani
- Dipartimento di Chimica, La Sapienza Università di Roma , Piazzale Aldo Moro 5, 00185 Rome, Italy
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26
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Abe H, Kohki E, Nakada A, Kishimura H. Phase behavior in quaternary ammonium ionic liquid-propanol solutions: Hydrophobicity, molecular conformations, and isomer effects. Chem Phys 2017. [DOI: 10.1016/j.chemphys.2017.05.012] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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27
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Russina O, Lo Celso F, Plechkova N, Jafta CJ, Appetecchi GB, Triolo A. Mesoscopic organization in ionic liquids. Top Curr Chem (Cham) 2017; 375:58. [PMID: 28516337 DOI: 10.1007/s41061-017-0147-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 05/08/2017] [Indexed: 01/24/2023]
Abstract
We discuss some published results and provide new observations concerning the high level of structural complexity that lies behind the nanoscale correlations in ionic liquids (ILs) and their mixtures with molecular liquids. It turns out that this organization is a consequence of the hierarchical construction on both spatial (from ångström to several nanometer) and temporal (from fraction of picosecond to hundreds of nanosecond) scales, which requires joint use of experimental and computational tools.
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Affiliation(s)
- Olga Russina
- Dipartimento di Chimica, Università di Roma Sapienza, Rome, Italy
| | - Fabrizio Lo Celso
- Dipartimento di Fisica e Chimica, Università di Palermo, Palermo, Italy
| | - Natalia Plechkova
- QUILL, The Queen's University of Belfast, Stranmillis Road, Belfast, Northern Ireland, UK
| | - Charl J Jafta
- Helmholtz-Zentrum Berlin für Materialien und Energie GmbH, Hahn-Meitner-Platz 1, Berlin, Germany
| | | | - Alessandro Triolo
- Laboratorio Liquidi Ionici, Istituto Struttura della Materia, Consiglio Nazionale delle Ricerche, Rome, Italy.
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28
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Zorębski E, Zorębski M, Dzida M, Lodowski P, Kowalska-Szojda K, Mirzaev SZ, Kaatze U. Supramolecular structure fluctuations of an imidazolium-based protic ionic liquid. J Chem Phys 2017; 146:134505. [DOI: 10.1063/1.4979287] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Edward Zorębski
- Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Michał Zorębski
- Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Marzena Dzida
- Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | - Piotr Lodowski
- Institute of Chemistry, University of Silesia, Szkolna 9, 40-006 Katowice, Poland
| | | | - Sirojiddin Z. Mirzaev
- Department of Engineering Physics, Tashkent State Technical University, Do’rmon Yuli 33, 100125 Tashkent, Uzbekistan
- Universität Göttingen, Drittes Physikalisches Institut, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
| | - Udo Kaatze
- Universität Göttingen, Drittes Physikalisches Institut, Friedrich-Hund-Platz 1, 37077 Göttingen, Germany
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29
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Montes-Campos H, Otero-Mato JM, Méndez-Morales T, López-Lago E, Russina O, Cabeza O, Gallego LJ, Varela LM. Nanostructured solvation in mixtures of protic ionic liquids and long-chained alcohols. J Chem Phys 2017; 146:124503. [DOI: 10.1063/1.4978943] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Hadrián Montes-Campos
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamentos de Física de Partículas e de Física Aplicada, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
| | - José M. Otero-Mato
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamentos de Física de Partículas e de Física Aplicada, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
| | - Trinidad Méndez-Morales
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamentos de Física de Partículas e de Física Aplicada, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
| | - Elena López-Lago
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamentos de Física de Partículas e de Física Aplicada, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
| | - Olga Russina
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro 5, I-00185 Roma, Italy
| | - Oscar Cabeza
- Facultade de Ciencias, Universidade da Coruña, Campus A Zapateira s/n, E-15071 A Coruña, Spain
| | - Luis J. Gallego
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamentos de Física de Partículas e de Física Aplicada, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
| | - Luis M. Varela
- Grupo de Nanomateriais, Fotónica e Materia Branda, Departamentos de Física de Partículas e de Física Aplicada, Universidade de Santiago de Compostela, Campus Vida s/n, E-15782 Santiago de Compostela, Spain
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30
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Russina O, Lo Celso F, Plechkova NV, Triolo A. Emerging Evidences of Mesoscopic-Scale Complexity in Neat Ionic Liquids and Their Mixtures. J Phys Chem Lett 2017; 8:1197-1204. [PMID: 28234000 DOI: 10.1021/acs.jpclett.6b02811] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Ionic liquids (ILs) represent a blooming class of continuously developing advanced materials, with the aiming of a green chemical industry. Their appealing physical and chemical properties are largely influenced by their micro- and mesoscopic structure that is known to possess a high degree of hierarchical organization. High-impact application fields are largely affected by the complex morphology of neat ionic liquids and their mixtures. This Perspective highlights new arising research directions that point to an enhanced level of structural complexity in several IL-based systems, including mixtures. The latter represent a change in paradigm in the approach to formulate new, task-specific IL-based media, and the reported phenomenology has the potential to further expand their range of applications by calling for a revisitation of the nature of interactions in these exciting media.
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Affiliation(s)
- Olga Russina
- Dipartimento di Chimica, Università di Roma Sapienza , Rome 00185, Italy
| | - Fabrizio Lo Celso
- Dipartimento di Fisica e Chimica, Università degli Studi di Palermo , viale delle Scienze, ed. 17, 90128 Palermo, Italy
| | - Natalia V Plechkova
- QUILL, The Queen's University of Belfast , Stranmillis Road, Belfast, Northern Ireland, United Kingdom BT9 5AG
| | - Alessandro Triolo
- Laboratorio Liquidi Ionici, Istituto Struttura della Materia, Consiglio Nazionale delle Ricerche , Rome 00133, Italy
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31
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Shrivastav G, Gupta A, Rastogi A, Dhabal D, Kashyap HK. Molecular dynamics study of nanoscale organization and hydrogen bonding in binary mixtures of butylammonium nitrate ionic liquid and primary alcohols. J Chem Phys 2017; 146:064503. [DOI: 10.1063/1.4975172] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Affiliation(s)
- Gourav Shrivastav
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Aditya Gupta
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Aman Rastogi
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Debdas Dhabal
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
| | - Hemant K. Kashyap
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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32
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Gontrani L, Scarpellini E, Caminiti R, Campetella M. Bio ionic liquids and water mixtures: a structural study. RSC Adv 2017. [DOI: 10.1039/c6ra28545g] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
In this study we have explored, by means of ab initio molecular dynamics, a subset of three different water/cho+–phe− mixtures.
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Affiliation(s)
- Lorenzo Gontrani
- Department of Chemistry
- “La Sapienza” University of Rome
- 00185 Rome
- Italy
| | | | - Ruggero Caminiti
- Department of Chemistry
- “La Sapienza” University of Rome
- 00185 Rome
- Italy
| | - Marco Campetella
- Department of Chemistry
- “La Sapienza” University of Rome
- 00185 Rome
- Italy
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33
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Prevost S, Lopian T, Pleines M, Diat O, Zemb T. Small-angle scattering and morphologies of ultra-flexible microemulsions. J Appl Crystallogr 2016; 49:2063-2072. [PMID: 27980512 PMCID: PMC5139994 DOI: 10.1107/s1600576716016150] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2016] [Accepted: 10/11/2016] [Indexed: 11/23/2022] Open
Abstract
Three-component fluids can exhibit structured density fluctuations, and their small-angle scattering patterns present similarities to those of classical microemulsions. One general analytical expression with two additive contributions (one for the two immiscible fluids and a smaller one for a structured fluid) allows the whole phase diagram to be mapped in the single-phase domain. The phase diagrams of ternary mixtures of partly miscible solvents containing a hydrotropic co-solvent exhibit a variable miscibility gap and one critical point. This work investigates the entire monophasic region far from and near to the miscibility gap in octan-1-ol/ethanol/water, for which ultra-flexible microemulsions (UFMEs) are observed by small-angle scattering techniques. SWAXS (combined small- and wide-angle X-ray scattering) allows the elucidation of these types of structure. Three distinct areas can be identified in the phase diagram, with scattering data resembling those from direct, bicontinuous and reverse local structures. These UFMEs are far more polydisperse than their surfactant-based counterparts. Water-rich and solvent-rich domains are only delimited by a small excess of hydrotrope, instead of a well defined surfactant layer of fixed area per molecule. It is shown that all scattering spectra obtained for the nanostructured compositions can be modelled by a simple unified analytical model composed of two uncorrelated contributions. The main one is the Ornstein–Zernike formula for composition fluctuations which gives information about the pseudo-phase domain size. The second is a Lorentzian that captures the structure of at least one of the coexisting pseudo-phases. No Porod law can be measured in the SAXS domain. The proposed expression gives access to two characteristic sizes as well as one inter-aggregate distance.
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Affiliation(s)
- Sylvain Prevost
- ESRF - The European Synchrotron, 71 avenue des Martyrs, 38000 Grenoble, France
| | - Tobias Lopian
- Institut de Chimie Séparative de Marcoule (ICSM), UMR 5257 (CEA/CNRS/UM2/ENCSM), 30207 Bagnols-sur-Cèze, France; Institute of Physical and Theoretical Chemistry, University of Regensburg, 93040 Regensburg, Germany
| | - Maximilian Pleines
- Institut de Chimie Séparative de Marcoule (ICSM), UMR 5257 (CEA/CNRS/UM2/ENCSM), 30207 Bagnols-sur-Cèze, France; Institute of Physical and Theoretical Chemistry, University of Regensburg, 93040 Regensburg, Germany
| | - Olivier Diat
- Institut de Chimie Séparative de Marcoule (ICSM), UMR 5257 (CEA/CNRS/UM2/ENCSM), 30207 Bagnols-sur-Cèze, France
| | - Thomas Zemb
- Institut de Chimie Séparative de Marcoule (ICSM), UMR 5257 (CEA/CNRS/UM2/ENCSM), 30207 Bagnols-sur-Cèze, France
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34
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Mariani A, Dattani R, Caminiti R, Gontrani L. Nanoscale Density Fluctuations in Ionic Liquid Binary Mixtures with Nonamphiphilic Compounds: First Experimental Evidence. J Phys Chem B 2016; 120:10540-10546. [DOI: 10.1021/acs.jpcb.6b07295] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alessandro Mariani
- Department
of Chemistry, “La Sapienza” University of Rome, Piazzale
Aldo Moro 5, 00185 Rome, Italy
| | - Rajeev Dattani
- Beamline
ID02, ESRF-The European Synchrotron, CS 40220, 38043 Grenoble Cedex 9, France
| | - Ruggero Caminiti
- Department
of Chemistry, “La Sapienza” University of Rome, Piazzale
Aldo Moro 5, 00185 Rome, Italy
- Centro
di Ricerca per le Nanotecnologie Applicate all’Ingegneria,
Laboratorio per le Nanotecnologie e le Nanoscienze, “La Sapienza” University of Rome, Piazzale Aldo Moro 5, 00185 Rome, Italy
| | - Lorenzo Gontrani
- Department
of Chemistry, “La Sapienza” University of Rome, Piazzale
Aldo Moro 5, 00185 Rome, Italy
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35
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Vaz ICM, Bhattacharjee A, Rocha MAA, Coutinho JAP, Bastos M, Santos LMNBF. Alcohols as molecular probes in ionic liquids: evidence for nanostructuration. Phys Chem Chem Phys 2016; 18:19267-75. [DOI: 10.1039/c6cp03616c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A comprehensive study of the solution and solvation of linear alcohols (propan-1-ol, butan-1-ol and pentan-1-ol) in ionic liquids (ILs) is presented.
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Affiliation(s)
- Inês C. M. Vaz
- Centro de Investigação em Química
- Departamento de Química e Bioquímica
- Faculdade de Ciências da Universidade do Porto
- P-4169-007 Porto
- Portugal
| | - Arijit Bhattacharjee
- Centro de Investigação em Química
- Departamento de Química e Bioquímica
- Faculdade de Ciências da Universidade do Porto
- P-4169-007 Porto
- Portugal
| | - Marisa A. A. Rocha
- Centro de Investigação em Química
- Departamento de Química e Bioquímica
- Faculdade de Ciências da Universidade do Porto
- P-4169-007 Porto
- Portugal
| | - João A. P. Coutinho
- Departamento de Química
- CICECO
- Universidade de Aveiro
- P-3810-193 Aveiro
- Portugal
| | - Margarida Bastos
- Centro de Investigação em Química
- Departamento de Química e Bioquímica
- Faculdade de Ciências da Universidade do Porto
- P-4169-007 Porto
- Portugal
| | - Luís M. N. B. F. Santos
- Centro de Investigação em Química
- Departamento de Química e Bioquímica
- Faculdade de Ciências da Universidade do Porto
- P-4169-007 Porto
- Portugal
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36
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Murphy T, Hayes R, Imberti S, Warr GG, Atkin R. Ionic liquid nanostructure enables alcohol self assembly. Phys Chem Chem Phys 2016; 18:12797-809. [DOI: 10.1039/c6cp01739h] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Weakly structured solutions are formed from mixtures of one or more amphiphiles and a polar solvent (usually water), and often contain additional organic components.
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Affiliation(s)
- Thomas Murphy
- Priority Research Centre for Advanced Fluids and Interfaces
- Newcastle Institute for Energy & Resources
- University of Newcastle
- Callaghan
- Australia
| | - Robert Hayes
- Priority Research Centre for Advanced Fluids and Interfaces
- Newcastle Institute for Energy & Resources
- University of Newcastle
- Callaghan
- Australia
| | | | | | - Rob Atkin
- Priority Research Centre for Advanced Fluids and Interfaces
- Newcastle Institute for Energy & Resources
- University of Newcastle
- Callaghan
- Australia
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