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Gholivand H, Salehi-Khojin A, Khalili-Araghi F. Phase Separation and Ion Diffusion in Ionic Liquid, Organic Solvent, and Lithium Salt Electrolyte Mixtures. J Phys Chem B 2023; 127:7531-7541. [PMID: 37589395 DOI: 10.1021/acs.jpcb.3c01618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/18/2023]
Abstract
The highly desirable characteristics of ternary mixtures of ionic liquids, organic solvents, and metal salts make them a promising candidate for use in various electrothermal energy storage and conversion systems. In this study, using large-scale classical molecular dynamics simulations, we looked into 10 different ternary electrolyte mixtures using combinations of [EMIM]+, [BMIM]+, and [OMIM]+ cations with [NO3]-, [BF4]-, [PF6]-, [ClO4]-, [TFO]-, and [NTf2]- anions, tetraglyme, and Li salt to study the effect of ionic liquid composition on the phase behavior of ternary electrolyte mixtures. We uncovered that in these electrolytes, phase separation is mainly a function of pairwise binding energy of the constituents of the mixture. To corroborate this theory, several simulations are performed at various temperatures ranging from 260 to 500 K for each mixture, followed by calculating the binding energy of ionic liquid pairs using density functional theory. Our results verify that the transition temperature for the phase separation of each system is indeed a function of the pairwise binding energy of its ionic liquid pairs. It is also found that in some cases, the diffusion coefficient of the Li+ ions decreased even with the increase in the temperature, an effect that is attributed to the presence of condensed ionic domains in the electrolyte. This study provides a new insight for the design of multicomponent electrolyte mixtures for a wide range of energy applications.
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Affiliation(s)
- Hamed Gholivand
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Amin Salehi-Khojin
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Fatemeh Khalili-Araghi
- Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, United States
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Dudariev D, Koverga V, Kalugin O, Miannay FA, Polok K, Takamuku T, Jedlovszky P, Idrissi A. Insight to the Local Structure of Mixtures of Imidazolium-Based Ionic Liquids and Molecular Solvents from Molecular Dynamics Simulations and Voronoi Analysis. J Phys Chem B 2023; 127:2534-2545. [PMID: 36892904 DOI: 10.1021/acs.jpcb.2c08818] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/10/2023]
Abstract
While the physicochemical properties as well as the NMR and vibration spectroscopic data of the mixtures of ionic liquids (ILs) with molecular solvents undergo a drastic change around the IL mole fraction of 0.2, the local structure of the mixtures pertaining to this behavior remains unclear. In this work, the local structure of 12 mixtures of 1-butyl-3-methylimidazolium cation (C4mim+) combined with perfluorinated anions, such as tetrafluoroborate (BF4-), hexafluorophosphate (PF6-), trifluoromethylsulfonate (TFO-), and bis(trifluoromethanesulfonyl)imide, (TFSI-), and aprotic dipolar solvents, such as acetonitrile (AN), propylene carbonate (PC), and gamma butyrolactone (γ-BL) is studied by molecular dynamics simulations in the entire composition range, with an emphasis on the IL mole fractions around 0.2. Distributions of metric properties corresponding to the Voronoi polyhedra of the particles (volume assigned to the particles, local density, radius of spherical voids) are determined, using representative sites of the cations, anions, and the solvent molecules, to characterize the changes in the local structure of these mixtures. By analyzing the mole fraction dependence of the average value, fluctuation, and skewness parameter of these distributions, the present study reveals that, around the IL mole fraction of 0.2, the local structure of the mixture undergoes a transition between that determined by the interionic interactions and that determined by the interactions between the ions and solvent molecules. It should be noted that the strength of the interactions between the ions and the solvent molecules, modulated by the change in the composition of the mixture, plays an important role in the occurrence of this transition. The signature of the change in the local structure is traced back to the nonlinear change of the mean values, fluctuations, and skewness values of the metric Voronoi polyhedra distributions.
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Affiliation(s)
- Dmytro Dudariev
- University of Lille, CNRS UMR 8516 -LASIRe - Laboratoire Avancé de Spectroscopie pour les Interactions la Réactivité et l'environnement, 59000 Lille, France
- Department of Inorganic Chemistry, V.N. Karazin Kharkiv National University, Svobody sq. 4, 61022 Kharkiv, Ukraine
| | - Volodymyr Koverga
- Department of Chemical Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
- Materials Science Division, Argonne National Laboratory, Lemont, Illinois 60439, United States
| | - Oleg Kalugin
- Department of Inorganic Chemistry, V.N. Karazin Kharkiv National University, Svobody sq. 4, 61022 Kharkiv, Ukraine
| | - François-Alexandre Miannay
- University of Lille, CNRS UMR 8516 -LASIRe - Laboratoire Avancé de Spectroscopie pour les Interactions la Réactivité et l'environnement, 59000 Lille, France
| | - Kamil Polok
- Faculty of Chemistry, Laboratory of Spectroscopy and Intermolecular Interactions, University of Warsaw, Żwirki i Wigury 101, Warsaw 02-089, Poland
| | - Toshiyuki Takamuku
- Department of Chemistry and Applied Chemistry, Faculty of Science and Engineering, Saga University, Honjo-machi, Saga 840-8502, Japan
| | - Pál Jedlovszky
- Department of Chemistry, Eszterházy Károly University, Leányka u. 6, 3300 Eger, Hungary
| | - Abdenacer Idrissi
- University of Lille, CNRS UMR 8516 -LASIRe - Laboratoire Avancé de Spectroscopie pour les Interactions la Réactivité et l'environnement, 59000 Lille, France
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Fuladi S, Gholivand H, Ahmadiparidari A, Curtiss LA, Salehi-Khojin A, Khalili-Araghi F. Multicomponent Phase Separation in Ternary Mixture Ionic Liquid Electrolytes. J Phys Chem B 2021; 125:7024-7032. [PMID: 34102840 DOI: 10.1021/acs.jpcb.1c01327] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We investigate the phase behavior of ternary mixtures of ionic liquid, organic solvent, and lithium salt by molecular dynamics simulations. We find that at room temperature, the electrolyte separates into distinct phases with specific compositions; an ion-rich domain that contains a fraction of solvent molecules and a second domain of pure solvent. The phase separation is shown to be entropy-driven and is independent of lithium salt concentration. Phase separation is only observed at microsecond time scales and greatly affects the transport properties of the electrolyte.
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Affiliation(s)
- Shadi Fuladi
- Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Hamed Gholivand
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Alireza Ahmadiparidari
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Larry A Curtiss
- Materials Science Division, Argonne National Laboratory, Argonne, Illinois 60439, United States
| | - Amin Salehi-Khojin
- Department of Mechanical and Industrial Engineering, University of Illinois at Chicago, Chicago, Illinois 60607, United States
| | - Fatemeh Khalili-Araghi
- Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60607, United States
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Koverga V, Maity N, Miannay FA, Kalugin ON, Juhasz A, Świątek A, Polok K, Takamuku T, Jedlovszky P, Idrissi A. Voronoi Polyhedra as a Tool for the Characterization of Inhomogeneous Distribution in 1-Butyl-3-methylimidazolium Cation-Based Ionic Liquids. J Phys Chem B 2020; 124:10419-10434. [PMID: 33151074 DOI: 10.1021/acs.jpcb.0c07398] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The inhomogeneity distribution in four imidazolium-based ionic liquids (ILs) containing the 1-butyl-3-methylimidazolium (C4mim) cation, coupled with tetrafluoroborate (BF4), hexafluorophosphate (PF6), bis(trifluoromethanesulfonyl)amide (TFSA), and trifluoromethanesulfonate (TfO) anions, was characterized using Voronoi polyhedra. For this purpose, molecular dynamic simulations have been performed on the isothermal-isobaric (NpT) ensemble. We checked the ability of the potential models to reproduce the experimental density, heat of vaporization, and transport properties (diffusion and viscosity) of these ionic liquids. The inhomogeneity distribution of ions around the ring, methyl, and butyl chain terminal hydrogen atoms of the C4mim cation was investigated by means of Voronoi polyhedra analysis. For this purpose, the position of the C4mim cation was described successively by the ring, methyl, and butyl chain terminal hydrogen atoms, while that of the anions was described by their F or O atom. We calculated the Voronoi polyhedra distributions of the volume, the density, and the asphericity parameters as well as that of the radius of the spherical intermolecular voids. We carried out the analysis in two steps. In the first step, both ions were taken into account. The calculated distributions gave information on the neighboring ions around a reference one. In the second step, to distinguish between like and oppositely charged ions and then to get information on the inhomogeneity distribution of the like ions, we repeated the same calculations on the same sample configurations and removed one of the ions and considered only the other one. Detailed analysis of these distributions has revealed that the ring hydrogen atoms are mainly solvated by the anions, while the methyl and butyl terminal H atoms are surrounded by like atoms. The extent of this inhomogeneity was assessed by calculating the cluster size distribution that shows that the dimers are the most abundant ones.
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Affiliation(s)
- Volodymyr Koverga
- Laboratoire de Spectrochimie Infrarouge et Raman, UMR CNRS A8516, Université de Lille, Science et Technologies, 59655 Villeneuve d'Ascq Cedex, France.,Institut des Sciences Analytiques et de Physico-Chimie pour l'Environnement et les Matériaux (IPREM), Université de Pau et des Pays de l'Adour, Technopôle Helioparc, 2, Avenue Pierre Angot, 64053 Pau Cedex 9, Nouvelle Aquitaine, France
| | - Nishith Maity
- Laboratoire de Spectrochimie Infrarouge et Raman, UMR CNRS A8516, Université de Lille, Science et Technologies, 59655 Villeneuve d'Ascq Cedex, France
| | - François Alexandre Miannay
- Laboratoire de Spectrochimie Infrarouge et Raman, UMR CNRS A8516, Université de Lille, Science et Technologies, 59655 Villeneuve d'Ascq Cedex, France
| | - Oleg N Kalugin
- Department of Inorganic Chemistry, V.N. Karazin Kharkiv National University, Svoboda Square 4, Kharkiv 61022, Ukraine
| | - Akos Juhasz
- Laboratory of Nanochemistry, Department of Biophysics Radiation Biology, Semmelweis University, Nagyvárad tér 4, Budapest 1089, Hungary
| | - Adam Świątek
- Laboratory of Spectroscopy and Intermolecular Interactions, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Kamil Polok
- Laboratory of Spectroscopy and Intermolecular Interactions, Department of Chemistry, University of Warsaw, ul. Żwirki i Wigury 101, 02-089 Warsaw, Poland
| | - Toshiyuki Takamuku
- Department of Chemistry and Applied Chemistry, Faculty of Science and Engineering, Saga University, Honjo-machi, Saga 840-8502, Japan
| | - Pál Jedlovszky
- Department of Chemistry, Eszterházy Károly University, Leányka utca 6, H-3300 Eger, Hungary
| | - Abdenacer Idrissi
- Laboratoire de Spectrochimie Infrarouge et Raman, UMR CNRS A8516, Université de Lille, Science et Technologies, 59655 Villeneuve d'Ascq Cedex, France
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Guan KH, Farhana NK, Omar FS, Saidi NM, Bashir S, Ramesh S, Ramesh K. Influence of tetraglyme towards magnesium salt dissociation in solid polymer electrolyte for electric double layer capacitor. JOURNAL OF POLYMER RESEARCH 2020. [DOI: 10.1007/s10965-020-02070-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Alavianmehr M, Afshar S, Aparicio S, Haghani A, Hosseini S, Khalifeh R. Experimental and theoretical study of 2-hydroxyethylammonium formate ionic liquid + alcohol mixtures. J Mol Liq 2019. [DOI: 10.1016/j.molliq.2019.02.063] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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7
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Luo XY, Chen XY, Qiu RX, Pei BY, Wei Y, Hu M, Lin JQ, Zhang JY, Luo GG. Enhanced CO 2 capture by reducing cation-anion interactions in hydroxyl-pyridine anion-based ionic liquids. Dalton Trans 2019; 48:2300-2307. [PMID: 30648718 DOI: 10.1039/c8dt04680h] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
In this work, an efficient strategy for improving CO2 capture based on anion-functionalized ionic liquids (ILs) by reducing cation-anion interactions in ILs was reported. The influence of the cationic species on CO2 absorption was investigated using 2-hydroxyl pyridium anions ([2-Op]) as a probe. CO2 capture experiments indicated that the CO2 absorption capacity in [2-Op] anion-based ILs varied from 0.94 to 1.69 mol CO2 per mol IL at 30 °C and 1 atm. Spectroscopic analysis and quantum chemical calculations suggested that the increase of the CO2 absorption capacity may be ascribed to the reduction of the strength of cation-anion interactions in ILs, and stronger cation-anion interactions would make one CO2 site in the [2-Op] anion inactive. Furthermore, the effect of the cation unit on the anion was evidenced by FT-IR spectra, implying that strong interactions between ions may lead to the decrease of the IR absorption wavenumber of hydroxy pyridium and work against CO2 capture. Following this strategy, it was finally found that [Ph-C8eim][2-Op] (Ph-C8eim = 1-N-ethyl-3-N-octyl-2-phenylimidazolium) with weaker cation-anion interactions exhibited a significant increase in the CO2 uptake capacity, and extremely high capacities of 1.69 and 1.83 mol CO2 per mol IL could be achieved at 30 and 20 °C, respectively. The study presented here would be helpful for further designing novel and effective ILs for advancing CO2 capturing performance.
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Affiliation(s)
- Xiao-Yan Luo
- Key Laboratory of Environmental Friendly Function Materials, Ministry of Education, College of Materials Science and Engineering, Huaqiao University, Xiamen 361021, P.R. China.
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Molecular dynamics and experimental characterization of [BMIM][BF4] and [BMIM][PF6] with ether cosolvent binary mixtures. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.08.031] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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9
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Kusuma VA, Macala MK, Baker JS, Hopkinson D. Cross-Linked Poly(ethylene oxide) Ion Gels Containing Functionalized Imidazolium Ionic Liquids as Carbon Dioxide Separation Membranes. Ind Eng Chem Res 2018. [DOI: 10.1021/acs.iecr.8b02739] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Victor A. Kusuma
- U.S. Department of Energy, National Energy Technology Laboratory, 626 Cochrans Mill Road, Pittsburgh, Pennsylvania 15236, United States
- AECOM Corporation, 626 Cochrans Mill Road, Pittsburgh, Pennsylvania 15236, United States
| | - Megan K. Macala
- U.S. Department of Energy, National Energy Technology Laboratory, 626 Cochrans Mill Road, Pittsburgh, Pennsylvania 15236, United States
- AECOM Corporation, 626 Cochrans Mill Road, Pittsburgh, Pennsylvania 15236, United States
| | - James S. Baker
- U.S. Department of Energy, National Energy Technology Laboratory, 626 Cochrans Mill Road, Pittsburgh, Pennsylvania 15236, United States
| | - David Hopkinson
- U.S. Department of Energy, National Energy Technology Laboratory, 626 Cochrans Mill Road, Pittsburgh, Pennsylvania 15236, United States
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Haddad B, Paolone A, Villemin D, Lohier JF, Drai M, Bresson S, Abbas O, Belarbi EH. para‑Xylyl bis‑1‑methylimidazolium bis(trifluoromethanesulfonyl)imide: Synthesis, crystal structure, thermal stability, vibrational studies. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.03.113] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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11
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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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12
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Kliemann C, Kleiber M, Müller K. Rheological Behavior of Mixtures of Ionic Liquids with Water. Chem Eng Technol 2018. [DOI: 10.1002/ceat.201600413] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Christian Kliemann
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU); Institute of Separation Science and Technology; Egerlandstrasse 3 91058 Erlangen Germany
| | - Michael Kleiber
- thyssenkrupp Industrial Solutions AG; Friedrich-Uhde-Strasse 2 65812 Bad Soden Germany
| | - Karsten Müller
- Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU); Institute of Separation Science and Technology; Egerlandstrasse 3 91058 Erlangen Germany
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Herrera C, Alcalde R, Atilhan M, Aparicio S. Microscopic characterization of mixtures of amino acid ionic liquids and organic solvents. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2017.11.131] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Hog M, Schneider M, Krossing I. Synthesis and Characterization of Bromoaluminate Ionic Liquids. Chemistry 2017; 23:9821-9830. [DOI: 10.1002/chem.201700105] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Michael Hog
- Institut für Anorganische und Analytische Chemie; Universität Freiburg; Albertstr. 21 79104 Freiburg Germany
- Freiburger Materialforschungszentrum (FMF); Universität Freiburg; Stefan-Meier-Strasse 21 79104 Freiburg Germany
| | - Marius Schneider
- Institut für Anorganische und Analytische Chemie; Universität Freiburg; Albertstr. 21 79104 Freiburg Germany
| | - Ingo Krossing
- Institut für Anorganische und Analytische Chemie; Universität Freiburg; Albertstr. 21 79104 Freiburg Germany
- Freiburger Materialforschungszentrum (FMF); Universität Freiburg; Stefan-Meier-Strasse 21 79104 Freiburg Germany
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Saeva DR, Petenuci J, Hoffmann MM. Transport Properties of the 1-Hexyl-3-methylimidazolium Bis(trifluoromethylsulfonyl)amide–Trichloromethane Binary System: Indication of Trichloromethane Segregation. J Phys Chem B 2016; 120:9745-54. [DOI: 10.1021/acs.jpcb.6b06974] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Affiliation(s)
- David R. Saeva
- The College at Brockport, State University of New York, Brockport, New York 14420, United States
| | - João Petenuci
- The College at Brockport, State University of New York, Brockport, New York 14420, United States
| | - Markus M. Hoffmann
- The College at Brockport, State University of New York, Brockport, New York 14420, United States
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Moultos OA, Zhang Y, Tsimpanogiannis IN, Economou IG, Maginn EJ. System-size corrections for self-diffusion coefficients calculated from molecular dynamics simulations: The case of CO2, n-alkanes, and poly(ethylene glycol) dimethyl ethers. J Chem Phys 2016; 145:074109. [DOI: 10.1063/1.4960776] [Citation(s) in RCA: 70] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Affiliation(s)
- Othonas A. Moultos
- Chemical Engineering Program, Texas A&M University at Qatar, P.O. Box 23847, Doha, Qatar
| | - Yong Zhang
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
| | - Ioannis N. Tsimpanogiannis
- Chemical Engineering Program, Texas A&M University at Qatar, P.O. Box 23847, Doha, Qatar
- Environmental Research Laboratory, National Center for Scientific Research “Demokritos,” 15310 Aghia Paraskevi Attikis, Greece
| | - Ioannis G. Economou
- Chemical Engineering Program, Texas A&M University at Qatar, P.O. Box 23847, Doha, Qatar
| | - Edward J. Maginn
- Department of Chemical and Biomolecular Engineering, University of Notre Dame, Notre Dame, Indiana 46556, USA
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