1
|
Bernardino K, Ribeiro MCC. Confined ionic liquids films under shear: The importance of the chemical nature of the solid surface. J Chem Phys 2023; 158:094712. [PMID: 36889974 DOI: 10.1063/5.0141388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2023] Open
Abstract
Ionic liquids have generated interest in applications as lubricants and as additives to conventional lubricants due to their unique physical properties. In these applications, the liquid thin film can be subjected simultaneously to extremely high shear and loads in addition to nanoconfinement effects. Here, we use molecular dynamics simulations with a coarse-grained model to study a nanometric film of an ionic liquid confined between two planar solid surfaces both at equilibrium and at several shear rates. The strength of the interaction between the solid surface and the ions was changed by simulating three different surfaces with enhanced interactions with different ions. The increase in the interaction with either the cation or the anion leads to the formation of a solid-like layer that moves alongside the substrates; however, this layer can exhibit different structures and stability. An increase in the interaction with the high symmetry anion produces a more regular structure that is more resistant to the effects of shear and viscous heating. Two definitions were proposed and used for the calculation of the viscosity: a local definition based on the microscopic characteristics of the liquid and an engineering definition based on the forces measured at the solid surfaces, with the former displaying a correlation with the layered structure induced by the surfaces. Because of the shear thinning behavior of the ionic liquids as well as the temperature rise brought on by viscous heating, both the engineering and the local viscosities decrease as the shear rate increases.
Collapse
Affiliation(s)
- Kalil Bernardino
- Laboratório de Química Teórica, Departamento de Química, Universidade Federal de São Carlos, Rod. Washington Luiz S/n, 13565-905 São Carlos, Brazil
| | - Mauro C C Ribeiro
- Laboratório de Espectroscopia Molecular, Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, 05508-000 São Paulo, Brazil
| |
Collapse
|
2
|
Rheological mechanism of polymer nanocomposites filled with spherical nanoparticles: Insight from molecular dynamics simulation. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.124129] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
|
3
|
Bernardino K, Ribeiro MCC. Relating the structure and dynamics of ionic liquids under shear by means of reverse non-equilibrium molecular dynamics simulations. Phys Chem Chem Phys 2021; 23:13984-13995. [PMID: 34151339 DOI: 10.1039/d1cp01205c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The effect of the shear rate on the viscosity and the structure of 1-ethyl-3-methylimidazolium based ionic liquids with three different anions (tetrafluoroborate, dicyanamide, and bis(trifluoromethylsulfonyl)imide) was studied by means of reverse non-equilibrium molecular dynamics (RNEMD) simulations using a polarizable force field. The three liquids display a Newtonian plateau followed by a shear thinning regime at shear rates of the order of GHz. Even though the main features of the liquid structure remains under shear, systematic changes were noticed at the GHz rates, with coordination shells becoming more diffuse as noticed by the reduction in the difference between consecutive maxima and minima in the radial distribution function. Interestingly, these structural changes with the shear rate can be precisely fitted using the Carreau equation, which is a well-known expression for the shear rate dependence of the viscosity. The fitting parameters for different distributions can be used to explain qualitatively the shear thinning behavior of these liquids. In the GHz range, the cations and, in a minor extension, some anions, tend to assume preferentially a parallel orientation with the flux, which contributes to the shear thinning behavior and may have consequences for adhesion in applications as lubricants.
Collapse
Affiliation(s)
- Kalil Bernardino
- Laboratório de Espectroscopia Molecular, Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, 05508-000, Brazil.
| | - Mauro C C Ribeiro
- Laboratório de Espectroscopia Molecular, Departamento de Química Fundamental, Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes 748, 05508-000, Brazil.
| |
Collapse
|
4
|
Shao C, Ong WL, Shiomi J, McGaughey AJH. Nanoconfinement between Graphene Walls Suppresses the Near-Wall Diffusion of the Ionic Liquid [BMIM][PF 6]. J Phys Chem B 2021; 125:4527-4535. [PMID: 33885322 DOI: 10.1021/acs.jpcb.1c02562] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
We identify two distinct regimes for the diffusion of the ionic liquid [BMIM][PF6] confined between parallel graphene walls using molecular dynamics simulations. Within 2 nm of the wall, the cations and anions form a well-defined layered structure. In this region, the in-plane diffusion coefficients are suppressed when compared to their bulk values and increase monotonically with the distance away from the wall. Beyond 2 nm from the wall, the density profile and in-plane diffusion coefficients recover their bulk values. The channel-averaged in-plane diffusion coefficients increase monotonically with wall separation and recover the bulk values at a separation of 15 nm. A simple semianalytical model is proposed that mirrors this trend. The results also highlight the importance of applying a finite-size correction to molecular dynamics-predicted diffusion coefficients of confined liquids, which may otherwise be unusually larger than their bulk values.
Collapse
Affiliation(s)
- Cheng Shao
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States.,University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China.,Department of Mechanical Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
| | - Wee-Liat Ong
- ZJU-UIUC Institute, College of Energy Engineering, Zhejiang University, Haining, Zhejiang 314400, People's Republic of China.,State Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou, Zhejiang 310027, China
| | - Junichiro Shiomi
- Department of Mechanical Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo 113-8656, Japan
| | - Alan J H McGaughey
- Department of Mechanical Engineering, Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, United States
| |
Collapse
|
5
|
Howard MP, Statt A, Stone HA, Truskett TM. Stability of force-driven shear flows in nonequilibrium molecular simulations with periodic boundaries. J Chem Phys 2020; 152:214113. [DOI: 10.1063/5.0010697] [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)
- Michael P. Howard
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas 78712, USA
| | - Antonia Statt
- Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA
| | - Howard A. Stone
- Department of Mechanical and Aerospace Engineering, Princeton University, Princeton, New Jersey 08544, USA
| | - Thomas M. Truskett
- McKetta Department of Chemical Engineering, University of Texas at Austin, Austin, Texas 78712, USA
- Department of Physics, University of Texas at Austin, Austin, Texas 78712, USA
| |
Collapse
|
6
|
Viscosity calculation of 1‑ethyl‑3‑methyl‑imidazolium chloride ionic liquids based on three-body potential hydrogen bond model. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.09.035] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
|
7
|
Safinejad R, Mehdipour N, Eslami H. Atomistic reverse nonequilibrium molecular dynamics simulation of the viscosity of ionic liquid 1-n-butyl 3-methylimidazolium bis(trifluoromethylsulfonyl)imide [bmim][Tf 2N]. Phys Chem Chem Phys 2018; 20:21544-21551. [PMID: 30094445 DOI: 10.1039/c8cp02393j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
The shear viscosity of room-temperature ionic liquid (IL) 1-n-butyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [bmim][Tf2N] is calculated over a temperature range 298-353 K, using the reverse nonequilibrium molecular dynamics simulation technique. The results of this work show that while the use of equilibrium molecular dynamics simulation techniques might be inefficient for viscosity calculations of ILs, the reverse nonequilibrium molecular dynamics technique is an efficient tool for this purpose. Our findings indicate that the shear rate for crossover from the Newtonian plateau to the shear thinning regime, corresponds to the relaxation time for the slowest microscopic scale motions, i.e., exchange of counterions in an ion's solvation shell (ion-pair relaxation time). The closeness of the time scales and activation energies for zero-shear-rate viscosities to the relaxation times and the corresponding activation energies for ion-pair formation/rupture, connects macroscopic dynamic properties with local atomic-level motions of the IL. The calculated viscosity coefficients and relaxation times for reorientations of the cation and anion as well as their corresponding activation energies are in very good agreement with experimental data.
Collapse
Affiliation(s)
- Rouhollah Safinejad
- Department of Chemistry, College of Sciences, Persian Gulf University, Boushehr 75168, Iran.
| | | | | |
Collapse
|
8
|
Sarman S, Wang YL, Rohlmann P, Glavatskih S, Laaksonen A. Rheology of phosphonium ionic liquids: a molecular dynamics and experimental study. Phys Chem Chem Phys 2018; 20:10193-10203. [DOI: 10.1039/c7cp08349a] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Comparison between the theoretical and experimental viscosity of an ionic liquid.
Collapse
Affiliation(s)
- Sten Sarman
- Department of Materials and Environmental Chemistry
- Arrhenius Laboratory
- Stockholm University
- 106 91 Stockholm
- Sweden
| | - Yong-Lei Wang
- Department of Materials and Environmental Chemistry
- Arrhenius Laboratory
- Stockholm University
- 106 91 Stockholm
- Sweden
| | - Patrick Rohlmann
- Department of Machine Design
- Royal Institute of Technology
- 100 44 Stockholm
- Sweden
| | - Sergei Glavatskih
- Department of Machine Design
- Royal Institute of Technology
- 100 44 Stockholm
- Sweden
- Department of Electrical Energy, Metals, Mechanical Constructions and Systems
| | - Aatto Laaksonen
- Department of Materials and Environmental Chemistry
- Arrhenius Laboratory
- Stockholm University
- 106 91 Stockholm
- Sweden
| |
Collapse
|
9
|
Yang D, Fu F, Li L, Yang Z, Wan Z, Luo Y, Hu N, Chen X, Zeng G. Unique orientations and rotational dynamics of a 1-butyl-3-methyl-imidazolium hexafluorophosphate ionic liquid at the gas–liquid interface: the effects of the hydrogen bond and hydrophobic interactions. Phys Chem Chem Phys 2018; 20:12043-12052. [DOI: 10.1039/c8cp00839f] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two-stage rotational motions of the interfacial [BMIM]+ cations are essentially determined by both hydrophobic and hydrogen-bonding interactions.
Collapse
Affiliation(s)
- Deshuai Yang
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
- Kuang Yaming Honors School, Nanjing University
- Nanjing 210023
| | - Fangjia Fu
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
| | - Li Li
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
| | - Zhen Yang
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
| | - Zheng Wan
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
| | - Yi Luo
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
| | - Na Hu
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
| | - Xiangshu Chen
- Institute of Advanced Materials (IAM), State-Province Joint Engineering Laboratory of Zeolite Membrane Materials, College of Chemistry and Chemical Engineering, Jiangxi Normal University
- Nanchang 330022
- People's Republic of China
| | - Guixiang Zeng
- Kuang Yaming Honors School, Nanjing University
- Nanjing 210023
- People's Republic of China
| |
Collapse
|
10
|
Lashkarbolooki M. Neural network modeling as an efficient approach to predict the density of ionic liquids/ethanol binary systems. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY 2017. [DOI: 10.1142/s0219633617500316] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Ionic liquids (ILs) especially their mixtures are of high interest within the different scientific societies due to their amazing properties. In this regard, a number of attempts have been made to measure, correlate, estimate and calculate the properties of ILs in the neat or mixture forms. Among the different possible predictive methods, artificial neural networks (ANNs) are widely used because of their unique and amazing capabilities for prediction of different parameters. With respect to this paper, a feed-forward ANN model is proposed to model the densities of different binary mixtures of ILs/ethanol. The proposed network is trained and tested with 1078 binary data points gathered by mining into the different published literatures. The data gathered from previously published literatures are separated into two different subsets namely training and testing. The statistical error analysis has shown that the proposed neural network correlated the binary densities with the overall mean absolute percentage error (MAPE), average relative deviation percentage error (ARD%), minimum relative deviation percent (RDmin%), maximum relative deviation Percent (RDmax%) and correlation coefficient ([Formula: see text] of 1.5%, [Formula: see text]0.1%, [Formula: see text]13.0%, 15.0% and 0.9712, respectively.
Collapse
Affiliation(s)
- Mostafa Lashkarbolooki
- School of Chemical Engineering, Babol Noshirvani University of Technology, Babol 47148–71167, Iran
| |
Collapse
|
11
|
Henritzi P, Bormuth A, Klameth F, Vogel M. A molecular dynamics simulations study on the relations between dynamical heterogeneity, structural relaxation, and self-diffusion in viscous liquids. J Chem Phys 2016; 143:164502. [PMID: 26520522 DOI: 10.1063/1.4933208] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
We perform molecular dynamics simulations for viscous liquids to study the relations between dynamical heterogeneity, structural (α) relaxation, and self-diffusion. For atomistic models of supercooled water, polymer melts, and an ionic liquid, we characterize the space-time characteristics of dynamical heterogeneity by the degree of deviations from Gaussian displacement statistics (α2), the size of clusters comprising highly mobile particles (S(w)), and the length of strings consisting of cooperatively moving particles (L(w)). Comparison of our findings with previous simulation results for a large variety of viscous liquids, ranging from monoatomic liquids to silica melt, reveals a nearly universal decoupling between the time scales of maximum non-Gaussian parameter (τ(α2)) and the time constant of the α relaxation (τ(α)) upon cooling, explicitly, τ(α2) ∝τ(α)(3/4). Such uniform relation was not observed between the peak times of S(w) or L(w) and τ(α). On the other hand, the temperature-dependent time scale of maximum string length (τ(L)) follows the inverse of the self-diffusion coefficient (D) for various systems at sufficiently low temperatures, i.e., τ(L) ∝ D(-1). These observations are discussed in view of a breakdown of the Stokes-Einstein relation for the studied systems. It is found that the degree of deviation from this relation is correlated with the stretching of the α relaxation.
Collapse
Affiliation(s)
- Patrick Henritzi
- Institut für Festkörperphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - André Bormuth
- Institut für Festkörperphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - Felix Klameth
- Institut für Festkörperphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| | - Michael Vogel
- Institut für Festkörperphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany
| |
Collapse
|
12
|
Tietze AA, Bordusa F, Giernoth R, Imhof D, Lenzer T, Maaß A, Mrestani-Klaus C, Neundorf I, Oum K, Reith D, Stark A. On the Nature of Interactions between Ionic Liquids and Small Amino-Acid-Based Biomolecules. Chemphyschem 2013; 14:4044-64. [DOI: 10.1002/cphc.201300736] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2013] [Revised: 09/03/2013] [Indexed: 01/18/2023]
|
13
|
Zhang J, Müller-Plathe F, Yahia-Ouahmed M, Leroy F. A steady-state non-equilibrium molecular dynamics approach for the study of evaporation processes. J Chem Phys 2013; 139:134701. [DOI: 10.1063/1.4822098] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
14
|
Gabl S, Schröder C, Steinhauser O. Computational studies of ionic liquids: size does matter and time too. J Chem Phys 2013; 137:094501. [PMID: 22957575 DOI: 10.1063/1.4748352] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
Taking the molecular ionic liquid 1-ethyl-3-methylimidazolium triflate as a reference system, the size and time dependence of molecular dynamics simulation studies is analyzed in a systematic way. Based on an all atom force field, trajectories of 70 ns length, covering samples of 8-2000 ion pairs, were generated and analyzed in terms of structure as well as single particle and collective dynamics. Although 50 ion pairs seemed sufficient for structure, at least 500 ion pairs were needed for the correct handling of dynamics. For larger systems a linear regime is found, i.e., the respective dynamical properties are a linear function of the inverse box length. In case of translational diffusion coefficients, this linear relation can be rationalised in hydrodynamic terms. The respective formula is essentially determined by viscosity and the inverse box length. Concerning the time dependence, consistent dynamical properties required a time period of 20-30 ns. Nevertheless, size dependence dominates time dependence and has to be primarily addressed.
Collapse
Affiliation(s)
- Sonja Gabl
- University of Vienna, Department of Computational Biological Chemistry, Vienna, Austria
| | | | | |
Collapse
|
15
|
Butler SN, Müller-Plathe F. A Molecular Dynamics Study of Viscosity in Ionic Liquids Directed by Quantitative Structure-Property Relationships. Chemphyschem 2012; 13:1791-801. [DOI: 10.1002/cphc.201200039] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Indexed: 11/08/2022]
|
16
|
Singh Payal R, Balasubramanian S. Orientational Ordering of Ionic Liquids near a Charged Mica Surface. Chemphyschem 2012; 13:1764-71. [DOI: 10.1002/cphc.201100871] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Revised: 02/08/2012] [Indexed: 11/10/2022]
|
17
|
Dommert F, Wendler K, Berger R, Delle Site L, Holm C. Force Fields for Studying the Structure and Dynamics of Ionic Liquids: A Critical Review of Recent Developments. Chemphyschem 2012; 13:1625-37. [DOI: 10.1002/cphc.201100997] [Citation(s) in RCA: 226] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2011] [Indexed: 11/06/2022]
|
18
|
Frost DS, Dai LL. Molecular dynamics simulations of nanoparticle self-assembly at ionic liquid-water and ionic liquid-oil interfaces. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:11339-11346. [PMID: 21823636 DOI: 10.1021/la202069m] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We have studied the self-assembly of hydrophobic nanoparticles at ionic liquid (IL)-water and IL-oil (hexane) interfaces using molecular dynamics (MD) simulations. For the 1-butyl-3-methylimidazolium hexafluorophosphate ([BMIM][PF(6)])/water system, the nanoparticles rapidly approached the IL-water interface and equilibrated more into the IL phase although they were initially in the water phase. In contrast, when the nanoparticles were dispersed in the hexane phase, they slowly approached the IL-hexane interface but remained primarily in the hexane phase. Consequently, the IL-hexane interface was rather undisturbed by the nanoparticles whereas the IL-water interface changed significantly in width and morphology to accommodate the presence of the nanoparticles. The equilibrium positions of the nanoparticles were also supported and explained by potential of mean force (PMF) calculations. Interesting ordering and charge distributions were observed at the IL-liquid interfaces. At the IL-hexane interface, the [BMIM] cations preferentially oriented themselves so that they were immersed more in the hexane phase and packed efficiently to reduce steric hindrance. The ordering likely contributed to a heightened IL density and a slightly positive charge at the IL-hexane interface. In contrast, the cations at the IL-water interface were oriented isotropically unless in the presence of nanoparticles, where the cations aligned across the nanoparticle surfaces.
Collapse
Affiliation(s)
- Denzil S Frost
- The School for Engineering of Matter, Transport, and Energy, Arizona State University, Tempe, Arizona 85287, USA
| | | |
Collapse
|
19
|
Kuang S, Gezelter JD. A gentler approach to RNEMD: Nonisotropic velocity scaling for computing thermal conductivity and shear viscosity. J Chem Phys 2010; 133:164101. [DOI: 10.1063/1.3499947] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
20
|
Umebayashi Y, Hamano H, Tsuzuki S, Canongia Lopes JN, Pádua AAH, Kameda Y, Kohara S, Yamaguchi T, Fujii K, Ishiguro SI. Dependence of the Conformational Isomerism in 1-n-Butyl-3-methylimidazolium Ionic Liquids on the Nature of the Halide Anion. J Phys Chem B 2010; 114:11715-24. [DOI: 10.1021/jp1044755] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Affiliation(s)
- Yasuhiro Umebayashi
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Hiroshi Hamano
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Seiji Tsuzuki
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - José N. Canongia Lopes
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Agilio A. H. Pádua
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Yasuo Kameda
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Shinji Kohara
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Taishi Yamaguchi
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Kenta Fujii
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| | - Shin-ichi Ishiguro
- Department of Chemistry, Faculty of Science, Kyushu University, Hakozaki, Higashi-ku, Fukuoka 812-8581, Japan, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Center 5, Tsukuba, Ibaraki 305-8565, Japan, Centro de Química Estrutural, Instituto Superior Técnico, 1049 001 Lisboa, and Instituto de Tecnologia Química e Biológica, UNL, Av. República Ap. 127, 2780 901 Oeiras, Portugal, Laboratoire Thermodynamique et Interactions Moléculaires, Université Blaise Pascal Clermont
| |
Collapse
|
21
|
Sarangi S, Zhao W, Müller-Plathe F, Balasubramanian S. Correlation between Dynamic Heterogeneity and Local Structure in a Room-Temperature Ionic Liquid: A Molecular Dynamics Study of [bmim][PF6]. Chemphyschem 2010; 11:2001-10. [DOI: 10.1002/cphc.201000111] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
|
22
|
Petersen MK, Lechman JB, Plimpton SJ, Grest GS, in ’t Veld PJ, Schunk PR. Mesoscale hydrodynamics via stochastic rotation dynamics: Comparison with Lennard-Jones fluid. J Chem Phys 2010; 132:174106. [DOI: 10.1063/1.3419070] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
|
23
|
Yan T, Wang Y, Knox C. On the Dynamics of Ionic Liquids: Comparisons between Electronically Polarizable and Nonpolarizable Models II. J Phys Chem B 2010; 114:6886-904. [DOI: 10.1021/jp908914d] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Affiliation(s)
- Tianying Yan
- Institute of New Energy Material Chemistry and Department of Material Chemistry, Nankai University, Tianjin 300071, China, Key Laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 55 East Zhongguancun Road, Beijing, 100190, China, and Center for Biophysical Modeling and Simulation and Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850
| | - Yanting Wang
- Institute of New Energy Material Chemistry and Department of Material Chemistry, Nankai University, Tianjin 300071, China, Key Laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 55 East Zhongguancun Road, Beijing, 100190, China, and Center for Biophysical Modeling and Simulation and Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850
| | - Craig Knox
- Institute of New Energy Material Chemistry and Department of Material Chemistry, Nankai University, Tianjin 300071, China, Key Laboratory of Frontiers in Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 55 East Zhongguancun Road, Beijing, 100190, China, and Center for Biophysical Modeling and Simulation and Department of Chemistry, University of Utah, Salt Lake City, Utah 84112-0850
| |
Collapse
|
24
|
Heggen B, Zhao W, Leroy F, Dammers AJ, Müller-Plathe F. Interfacial Properties of an Ionic Liquid by Molecular Dynamics. J Phys Chem B 2010; 114:6954-61. [DOI: 10.1021/jp911128j] [Citation(s) in RCA: 26] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Affiliation(s)
- Berit Heggen
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, 64287 Darmstadt, Germany, Max-Planck-Insitut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Department of Chemical Engineering, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Biometris — Applied Statistics, Wageningen University, P.O. Box 100, 6700 AC Wageningen, The Netherlands
| | - Wei Zhao
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, 64287 Darmstadt, Germany, Max-Planck-Insitut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Department of Chemical Engineering, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Biometris — Applied Statistics, Wageningen University, P.O. Box 100, 6700 AC Wageningen, The Netherlands
| | - Frédéric Leroy
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, 64287 Darmstadt, Germany, Max-Planck-Insitut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Department of Chemical Engineering, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Biometris — Applied Statistics, Wageningen University, P.O. Box 100, 6700 AC Wageningen, The Netherlands
| | - Anton J. Dammers
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, 64287 Darmstadt, Germany, Max-Planck-Insitut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Department of Chemical Engineering, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Biometris — Applied Statistics, Wageningen University, P.O. Box 100, 6700 AC Wageningen, The Netherlands
| | - Florian Müller-Plathe
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, 64287 Darmstadt, Germany, Max-Planck-Insitut für Kohlenforschung, Kaiser-Wilhelm-Platz 1, 45470 Mülheim an der Ruhr, Department of Chemical Engineering, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands, and Biometris — Applied Statistics, Wageningen University, P.O. Box 100, 6700 AC Wageningen, The Netherlands
| |
Collapse
|
25
|
Liu Z, Chen T, Bell A, Smit B. Improved United-Atom Force Field for 1-Alkyl-3-methylimidazolium Chloride. J Phys Chem B 2010; 114:4572-82. [DOI: 10.1021/jp911337f] [Citation(s) in RCA: 71] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Zhiping Liu
- Energy Biosciences Institute and Department of Chemical Engineering, University of California, Berkeley, Berkeley, California 94720-1462
| | - Ting Chen
- Energy Biosciences Institute and Department of Chemical Engineering, University of California, Berkeley, Berkeley, California 94720-1462
| | - Alex Bell
- Energy Biosciences Institute and Department of Chemical Engineering, University of California, Berkeley, Berkeley, California 94720-1462
| | - Berend Smit
- Energy Biosciences Institute and Department of Chemical Engineering, University of California, Berkeley, Berkeley, California 94720-1462
| |
Collapse
|
26
|
Tenney CM, Maginn EJ. Limitations and recommendations for the calculation of shear viscosity using reverse nonequilibrium molecular dynamics. J Chem Phys 2010; 132:014103. [DOI: 10.1063/1.3276454] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
|
27
|
Van-Oanh NT, Houriez C, Rousseau B. Viscosity of the 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ionic liquid from equilibrium and nonequilibrium molecular dynamics. Phys Chem Chem Phys 2010; 12:930-6. [DOI: 10.1039/b918191a] [Citation(s) in RCA: 65] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
|
28
|
Eslami H, Müller-Plathe F. Viscosity of Nanoconfined Polyamide-6,6 Oligomers: Atomistic Reverse Nonequilibrium Molecular Dynamics Simulation. J Phys Chem B 2009; 114:387-95. [DOI: 10.1021/jp908659w] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Hossein Eslami
- Eduard-Zintl Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287, Germany, and Department of Chemistry, College of Sciences, Persian Gulf University, Boushehr 75168, Iran
| | - Florian Müller-Plathe
- Eduard-Zintl Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287, Germany, and Department of Chemistry, College of Sciences, Persian Gulf University, Boushehr 75168, Iran
| |
Collapse
|
29
|
Zhao W, Leroy F, Heggen B, Zahn S, Kirchner B, Balasubramanian S, Müller-Plathe F. Are There Stable Ion-Pairs in Room-Temperature Ionic Liquids? Molecular Dynamics Simulations of 1-n-Butyl-3-methylimidazolium Hexafluorophosphate. J Am Chem Soc 2009; 131:15825-33. [DOI: 10.1021/ja906337p] [Citation(s) in RCA: 249] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Wei Zhao
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287 Darmstadt, Germany, Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstrasse 2, D-04103 Leipzig, Germany, and Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India
| | - Frédéric Leroy
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287 Darmstadt, Germany, Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstrasse 2, D-04103 Leipzig, Germany, and Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India
| | - Berit Heggen
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287 Darmstadt, Germany, Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstrasse 2, D-04103 Leipzig, Germany, and Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India
| | - Stefan Zahn
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287 Darmstadt, Germany, Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstrasse 2, D-04103 Leipzig, Germany, and Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India
| | - Barbara Kirchner
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287 Darmstadt, Germany, Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstrasse 2, D-04103 Leipzig, Germany, and Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India
| | - Sundaram Balasubramanian
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287 Darmstadt, Germany, Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstrasse 2, D-04103 Leipzig, Germany, and Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India
| | - Florian Müller-Plathe
- Eduard-Zintl-Institut für Anorganische und Physikalische Chemie, Technische Universität Darmstadt, Petersenstrasse 20, D-64287 Darmstadt, Germany, Wilhelm-Ostwald Institute of Physical and Theoretical Chemistry, University of Leipzig, Linnéstrasse 2, D-04103 Leipzig, Germany, and Chemistry and Physics of Materials Unit, Jawaharlal Nehru Centre for Advanced Scientific Research, Jakkur, Bangalore 560 064, India
| |
Collapse
|
30
|
Picálek J, Kolafa J. Shear viscosity of ionic liquids from non-equilibrium molecular dynamics simulation. MOLECULAR SIMULATION 2009. [DOI: 10.1080/08927020802680703] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
|
31
|
Köddermann T, Fumino K, Ludwig R, Canongia Lopes JN, Pádua AAH. What Far-Infrared Spectra Can Contribute to the Development of Force Fields for Ionic Liquids Used in Molecular Dynamics Simulations. Chemphyschem 2009; 10:1181-6. [DOI: 10.1002/cphc.200900144] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
|
32
|
Abstract
A very great deal of the experimental work on room-temperature ionic liquids was done after high-performance computing became readily available for quantum-chemical or molecular-dynamic calculations. I explore the use of modern computational methods to guide or aid laboratory work, and the importance of ‘old-fashioned’ theory, from before the age of fast computers. Debye and Hückel published the first really important theoretical work on correlations between charged particles, and the Nernst–Einstein formula is still used to understand electrical conductivities. I assess the usefulness of all these theoretical methods and ideas, and discuss the particular difficulties presented by ionic liquids.
Collapse
|
33
|
|