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Stepping away from serendipity in Deep Eutectic Solvent formation: Prediction from precursors ratio. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120443] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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2
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Han J, Zarrabeitia M, Mariani A, Kuenzel M, Mullaliu A, Varzi A, Passerini S. Concentrated Electrolytes Enabling Stable Aqueous Ammonium-Ion Batteries. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2201877. [PMID: 35699646 DOI: 10.1002/adma.202201877] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2022] [Revised: 05/26/2022] [Indexed: 06/15/2023]
Abstract
Rechargeable aqueous batteries are promising devices for large-scale energy-storage applications because of their low-cost, inherent safety, and environmental friendliness. Among them, aqueous ammonium-ion (NH4 + ) batteries (AAIB) are currently emerging owing to the fast diffusion kinetics of NH4 + . Nevertheless, it is still a challenge to obtain stable AAIB with relatively high output potential, considering the instability of many electrode materials in an aqueous environment. Herein, a cell based on a concentrated (5.8 m) aqueous (NH4 )2 SO4 electrolyte, ammonium copper hexacyanoferrate (N-CuHCF) as the positive electrode (cathode), and 3,4,9,10-perylene-bis(dicarboximide) (PTCDI) as the negative electrode (anode) is reported. The solvation structure, electrochemical properties, as well as the electrode-electrolyte interface and interphase are systematically investigated by the combination of theoretical and experimental methods. The results indicate a remarkable cycling performance of the low-cost rocking-chair AAIB, which offers a capacity retention of ≈72% after 1000 cycles and an average output potential of ≈1.0 V.
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Affiliation(s)
- Jin Han
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Maider Zarrabeitia
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Alessandro Mariani
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Matthias Kuenzel
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Angelo Mullaliu
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Alberto Varzi
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Stefano Passerini
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
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3
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Han J, Mariani A, Zarrabeitia M, Jusys Z, Behm RJ, Varzi A, Passerini S. Zinc-Ion Hybrid Supercapacitors Employing Acetate-Based Water-in-Salt Electrolytes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2201563. [PMID: 35810459 DOI: 10.1002/smll.202201563] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Revised: 05/23/2022] [Indexed: 06/15/2023]
Abstract
Halide-free, water-in-salt electrolytes (WiSEs) composed of potassium acetate (KAc) and zinc acetate (ZnAc2 ) are investigated as electrolytes in zinc-ion hybrid supercapacitors (ZHSs). Molecular dynamics simulations demonstrate that water molecules are mostly non-interacting with each other in the highly concentrated WiSEs, while "bulk-like water" regions are present in the dilute electrolyte. Among the various concentrated electrolytes investigated, the 30 m KAc and 1 m ZnAc2 electrolyte (30K1Zn) grants the best performance in terms of reversibility and stability of Zn plating/stripping while the less concentrated electrolyte cannot suppress corrosion of Zn and hydrogen evolution. The ZHSs utilizing 30K1Zn, in combination with a commercial activated carbon (AC) positive electrode and Zn as the negative electrode, deliver a capacity of 65 mAh g-1 (based on the AC weight) at a current density of 5 A g-1 . They also offer an excellent capacity retention over 10 000 cycles and an impressive coulombic efficiency (≈100%).
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Affiliation(s)
- Jin Han
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Alessandro Mariani
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Maider Zarrabeitia
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Zenonas Jusys
- Institute of Surface Chemistry and Catalysis, Ulm University, Albert-Einstein-Allee 47, D-89081, Ulm, Germany
- Institute of Theoretical Chemistry, Ulm University, Albert-Einstein-Allee 11, D-89081, Ulm, Germany
| | - R Jürgen Behm
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Institute of Surface Chemistry and Catalysis, Ulm University, Albert-Einstein-Allee 47, D-89081, Ulm, Germany
- Institute of Theoretical Chemistry, Ulm University, Albert-Einstein-Allee 11, D-89081, Ulm, Germany
| | - Alberto Varzi
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Stefano Passerini
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
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4
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Structure and dynamics of dibutylphosphate/n-propylamine ionic liquid: A multi-scale theoretical study. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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5
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Mariani A, Innocenti A, Varzi A, Passerini S. On the nanoscopic structural heterogeneity of liquid n-alkyl carboxylic acids. Phys Chem Chem Phys 2021; 23:20282-20287. [PMID: 34486605 DOI: 10.1039/d1cp02846d] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Herein we report the first in-depth structural characterisation of simple linear carboxylic acids with alkyl tail length ranging from one to six carbon atoms. By means of the SWAXS technique, a pronounced nanoscopic heterogeneity evolving along the aliphatic portion of the molecule is highlighted. Via classical molecular dynamics, the origin of such heterogeneity is unambiguously assigned to the existence of aliphatic domains resulting from the self-segregation of the polar and apolar portions of the molecules. Furthermore, the structural correlation of aliphatic-separated polar domains is responsible for observing the so-called "pre-peak" in the SAXS region.
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Affiliation(s)
- Alessandro Mariani
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, Ulm 89081, Germany.,Karlsruhe Institute of Technology (KIT), P.O. Box 3640, Karlsruhe 76021, Germany.
| | - Alessandro Innocenti
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, Ulm 89081, Germany.,Karlsruhe Institute of Technology (KIT), P.O. Box 3640, Karlsruhe 76021, Germany.
| | - Alberto Varzi
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, Ulm 89081, Germany.,Karlsruhe Institute of Technology (KIT), P.O. Box 3640, Karlsruhe 76021, Germany.
| | - Stefano Passerini
- Helmholtz Institute Ulm (HIU), Helmholtzstrasse 11, Ulm 89081, Germany.,Karlsruhe Institute of Technology (KIT), P.O. Box 3640, Karlsruhe 76021, Germany.
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6
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Liu X, Zarrabeitia M, Mariani A, Gao X, Schütz HM, Fang S, Bizien T, Elia GA, Passerini S. Enhanced Li + Transport in Ionic Liquid-Based Electrolytes Aided by Fluorinated Ethers for Highly Efficient Lithium Metal Batteries with Improved Rate Capability. SMALL METHODS 2021; 5:e2100168. [PMID: 34927996 DOI: 10.1002/smtd.202100168] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/29/2021] [Indexed: 06/14/2023]
Abstract
FSI- -based ionic liquids (ILs) are promising electrolyte candidates for long-life and safe lithium metal batteries (LMBs). However, their practical application is hindered by sluggish Li+ transport at room temperature. Herein, it is shown that additions of bis(2,2,2-trifluoroethyl) ether (BTFE) to LiFSI-Pyr14 FSI ILs can effectively mitigate this shortcoming, while maintaining ILs' high compatibility with lithium metal. Raman spectroscopy and small-angle X-ray scattering indicate that the promoted Li+ transport in the optimized electrolyte, [LiFSI]3 [Pyr14 FSI]4 [BTFE]4 (Li3 Py4 BT4 ), originates from the reduced solution viscosity and increased formation of Li+ -FSI- complexes, which are associated with the low viscosity and non-coordinating character of BTFE. As a result, Li/LiFePO4 (LFP) cells using Li3 Py4 BT4 electrolyte reach 150 mAh g-1 at 1 C rate (1 mA cm-2 ) and a capacity retention of 94.6% after 400 cycles, revealing better characteristics with respect to the cells employing the LiFSI-Pyr14 FSI (operate only a few cycles) and commercial carbonate (80% retention after only 218 cycles) electrolytes. A wide operating temperature (from -10 to 40 °C) of the Li/Li3 Py4 BT4 /LFP cells and a good compatibility of Li3 Py4 BT4 with LiNi0.5 Mn0.3 Co0.2 O2 (NMC532) are demonstrated also. The insight into the enhanced Li+ transport and solid electrolyte interphase characteristics suggests valuable information to develop IL-based electrolytes for LMBs.
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Affiliation(s)
- Xu Liu
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Maider Zarrabeitia
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Alessandro Mariani
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Xinpei Gao
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Hanno Maria Schütz
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Shan Fang
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Thomas Bizien
- SWING beamline, SOLEIL Synchrotron, L'Orme des Merisiers, Saint-Aubin, 91190, France
| | - Giuseppe Antonio Elia
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
| | - Stefano Passerini
- Helmholtz Institute Ulm (HIU), Helmholtzstraße 11, D-89081, Ulm, Germany
- Karlsruhe Institute of Technology (KIT), P.O. Box 3640, D-76021, Karlsruhe, Germany
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7
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A Presentation of Ionic Liquids as Lubricants: Some Critical Comments. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11125677] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Ionic liquids (ILs) are liquid materials at room temperature with an ionic intrinsic nature. The electrostatic interactions therefore play a pivotal role in dictating their inner structure, which is then expected to be far from the traditional pattern of classical simple liquids. Therefore, the strength of such interactions and their long-range effects are responsible for the ionic liquid high viscosity, a fact that itself suggests their possible use as lubricants. More interestingly, the possibility to establish a wide scenario of possible interactions with solid surfaces constitutes a specific added value in this use. In this framework, the ionic liquid complex molecular structure and the huge variety of possible interactions cause a complex aggregation pattern which can depend on the presence of the solid surface itself. Although there is plenty of literature focusing on the lubricant properties of ionic liquids and their applications, the aim of this contribution is, instead, to furnish to the reader a panoramic view of this exciting problematic, commenting on interesting and speculative aspects which are sometimes neglected in standard works and trying to furnish an enriched vision of the topic. The present work constitutes an easy-to-read critical point of view which tries to interact with the imagination of readers, hopefully leading to the discovery of novel aspects and interconnections and ultimately stimulating new ideas and research.
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8
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Mariani A, Bonomo M, Gao X, Centrella B, Nucara A, Buscaino R, Barge A, Barbero N, Gontrani L, Passerini S. The unseen evidence of Reduced Ionicity: The elephant in (the) room temperature ionic liquids. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2020.115069] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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9
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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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10
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Calandra P. On the physico-chemical basis of self-nanosegregation giving magnetically-induced birefringence in dibutyl phosphate/bis(2-ethylhexyl) amine systems. J Mol Liq 2020. [DOI: 10.1016/j.molliq.2020.113186] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
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11
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Brehm M, Thomas M, Gehrke S, Kirchner B. TRAVIS—A free analyzer for trajectories from molecular simulation. J Chem Phys 2020; 152:164105. [DOI: 10.1063/5.0005078] [Citation(s) in RCA: 164] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Affiliation(s)
- M. Brehm
- Institut für Chemie, Martin-Luther-Universität Halle–Wittenberg, von-Danckelmann-Platz 4, D-06120 Halle (Saale), Germany
| | - M. Thomas
- Institut für Chemie, Martin-Luther-Universität Halle–Wittenberg, von-Danckelmann-Platz 4, D-06120 Halle (Saale), Germany
| | - S. Gehrke
- Mulliken Center for Theoretical Chemistry, Rheinische Friedrich-Wilhelms-Universität Bonn, Beringstr. 4+6, D-53115 Bonn, Germany
| | - B. Kirchner
- Mulliken Center for Theoretical Chemistry, Rheinische Friedrich-Wilhelms-Universität Bonn, Beringstr. 4+6, D-53115 Bonn, Germany
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12
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Reddy TDN, Mallik BS. Heterogeneity in the microstructure and dynamics of tetraalkylammonium hydroxide ionic liquids: insight from classical molecular dynamics simulations and Voronoi tessellation analysis. Phys Chem Chem Phys 2020; 22:3466-3480. [DOI: 10.1039/c9cp06796e] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Microscopic structural and dynamic heterogeneities were investigated for three ionic liquids (ILs), tetraethylammonium hydroxide, tetrapropylammonium hydroxide, and tetrabutylammonium hydroxide employing classical molecular dynamics (MD) simulations.
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Affiliation(s)
| | - Bhabani S. Mallik
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Sangareddy
- India
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13
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Statistic-Driven Proton Transfer Affecting Nanoscopic Organization in an Ethylammonium Nitrate Ionic Liquid and 1,4-Diaminobutane Binary Mixture: A Steamy Pizza Model. Symmetry (Basel) 2019. [DOI: 10.3390/sym11111425] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Herein, we report on the theoretical and experimental investigation of the chemical equilibrium in a Ethylammonium Nitrate (EAN)/1,4-Diaminobutane (DAB) binary mixture displaying a significant excess of the latter component (namely, a 1:9 mole ratio). Both the neutral compounds, i.e., ethylamine (EtNH2) and DAB, present very similar chemical properties, especially concerning their basic strength, resulting in a continuous jump of the proton from the ethylammonium to the diamine (and vice-versa). Due to the significant excess of DAB, the proton is (statistically) expected to be bound to one of its nitrogen atoms, leading to the formation of a new (ternary) mixture containing DAB (ca. 80%), ethylamine (ca. 10%) and 4-amino-1-butylammonium nitrate (ABAN, ca. 10%). This is probed by means of SAXS measurements, showing LqE (low q excess) that increases over time. This feature tends to stabilize after approximately one day. When the measurement is repeated after one year, the LqE feature shows an increased intensity. Based on the results of our simulations, we suggest that this phenomenon is likely due to partial ethylamine evaporation, pushing the equilibrium toward the formation of ABAN.
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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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Dasari S, Mallik BS. Nondiffusive Rotational Jump Dynamics in Ethyl Ammonium Nitrate. J Phys Chem B 2018; 122:9738-9746. [PMID: 30272452 DOI: 10.1021/acs.jpcb.8b06372] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Sathish Dasari
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502 285, Telangana, India
| | - Bhabani S. Mallik
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502 285, Telangana, India
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16
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Hosseini S, Aparicio S, Alavianmehr M, Khalifeh R. On the volumetric properties of 2-hydroxy ethylammonium formate ionic liquid under high-pressures: Measurement and molecular dynamics. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.06.074] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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17
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Turco Liveri V, Lombardo D, Pochylski M, Calandra P. Molecular association of small amphiphiles: Origin of ionic liquid properties in dibutyl phosphate/propylamine binary mixtures. J Mol Liq 2018. [DOI: 10.1016/j.molliq.2018.05.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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18
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Gontrani L, Trequattrini F, Palumbo O, Bencivenni L, Paolone A. New Experimental Evidences Regarding Conformational Equilibrium in Ammonium−Bis(trifluoromethanesulfonyl)imide Ionic Liquids. Chemphyschem 2018; 19:2776-2781. [DOI: 10.1002/cphc.201800442] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Lorenzo Gontrani
- Dipartimento di Chimica; Sapienza Università di Roma; Piazzale A. Moro 5 I-00185 Roma Italy
- Present address: Dipartimento di Chimica “Giacomo Ciamician”; Università di Bologna; Via F. Selmi 2 I-40126 - Bologna Italy
| | - Francesco Trequattrini
- Istituto dei Sistemi Complessi, U.O.S. La Sapienza; Consiglio Nazionale delle Ricerche; Piazzale A. Moro 5 I-00185 Roma Italy
- Dipartimento di Fisica; Sapienza Università di Roma; Piazzale A. Moro 5 I-00185 Roma Italy
| | - Oriele Palumbo
- Istituto dei Sistemi Complessi, U.O.S. La Sapienza; Consiglio Nazionale delle Ricerche; Piazzale A. Moro 5 I-00185 Roma Italy
| | - Luigi Bencivenni
- Dipartimento di Chimica; Sapienza Università di Roma; Piazzale A. Moro 5 I-00185 Roma Italy
| | - Annalisa Paolone
- Istituto dei Sistemi Complessi, U.O.S. La Sapienza; Consiglio Nazionale delle Ricerche; Piazzale A. Moro 5 I-00185 Roma Italy
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19
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Campetella M, Mariani A, Sadun C, Wu B, Castner EW, Gontrani L. Structure and dynamics of propylammonium nitrate-acetonitrile mixtures: An intricate multi-scale system probed with experimental and theoretical techniques. J Chem Phys 2018; 148:134507. [PMID: 29626911 DOI: 10.1063/1.5021868] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
In this article, we report the study of structural and dynamical properties for a series of acetonitrile/propylammonium nitrate mixtures as a function of their composition. These systems display an unusual increase in intensity in their X-ray diffraction patterns in the low-q regime, and their 1H-NMR diffusion-ordered NMR spectroscopy (DOSY) spectra display unusual diffusivities. However, the magnitude of both phenomena for mixtures of propylammonium nitrate is smaller than those observed for ethylammonium nitrate mixtures with the same cosolvent, suggesting that the cation alkyl tail plays an important role in these observations. The experimental X-ray scattering data are compared with the results of molecular dynamics simulations, including both ab initio studies used to interpret short-range interactions and classical simulations to describe longer range interactions. The higher level calculations highlight the presence of a strong hydrogen bond network within the ionic liquid, only slightly perturbed even at high acetonitrile concentration. These strong interactions lead to the symmetry breaking of the NO3- vibrations, with a splitting of about 88 cm-1 in the ν3 antisymmetric stretch. The classical force field simulations use a greater number of ion pairs, but are not capable of fully describing the longest range interactions, although they do successfully account for the observed concentration trend, and the analysis of the models confirms the nano-inhomogeneity of these kinds of samples.
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Affiliation(s)
- Marco Campetella
- Institut de Recherche de Chimie Paris, CNRS, PSL Research University, Chimie ParisTech, F-75005 Paris, France
| | - Alessandro Mariani
- Beamline ID02, ESRF-European Synchrotron Radiation Facility, 71 Avenue des Martyrs, F-38000 Grenoble, France
| | - Claudia Sadun
- Università degli Studi di Roma "La Sapienza," P. le Aldo Moro 5, I-00185 Roma, Italy
| | - Boning Wu
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, USA
| | - Edward W Castner
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, 610 Taylor Road, Piscataway, New Jersey 08854, USA
| | - Lorenzo Gontrani
- Università degli Studi di Roma "La Sapienza," P. le Aldo Moro 5, I-00185 Roma, Italy
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20
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Mariani A, Bonomo M, Wu B, Centrella B, Dini D, Castner EW, Gontrani L. Intriguing transport dynamics of ethylammonium nitrate-acetonitrile binary mixtures arising from nano-inhomogeneity. Phys Chem Chem Phys 2018; 19:27212-27220. [PMID: 28975937 DOI: 10.1039/c7cp04592a] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Binary mixtures of ethylammonium nitrate and acetonitrile show interesting properties that originate from the structural and dynamical nano-heterogeneity present in ionic liquids. These effects are most pronounced when the ionic liquid is the minority compound. In this study the transport properties of such mixtures are studied, including viscosity, self-diffusion and conductivity. The results strongly support the presence of structural inhomogeneity and show an interesting composition-dependent behaviour in the mixtures.
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Affiliation(s)
- Alessandro Mariani
- Department of Chemistry, La Sapienza University of Rome, P.le A. Moro 5, 00185 Rome, Italy.
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21
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22
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Thummuru DNR, Mallik BS. Structure and Dynamics of Hydroxyl-Functionalized Protic Ammonium Carboxylate Ionic Liquids. J Phys Chem A 2017; 121:8097-8107. [DOI: 10.1021/acs.jpca.7b05995] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dhileep Nagi Reddy Thummuru
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi-502 285, Sangareddy, Telangana, India
| | - Bhabani S. Mallik
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi-502 285, Sangareddy, Telangana, India
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23
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A structural and theoretical study of the alkylammonium nitrates forefather: Liquid methylammonium nitrate. Chem Phys Lett 2017. [DOI: 10.1016/j.cplett.2017.07.017] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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24
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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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25
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Dhungana KB, Margulis CJ. Comparison of the Structural Response to Pressure of Ionic Liquids with Ether and Alkyl Functionalities. J Phys Chem B 2017. [DOI: 10.1021/acs.jpcb.7b04038] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kamal B. Dhungana
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
| | - Claudio J. Margulis
- Department of Chemistry, University of Iowa, Iowa City, Iowa 52242, United States
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26
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Campetella M, Macchiagodena M, Gontrani L, Kirchner B. Effect of alkyl chain length in protic ionic liquids: an AIMD perspective. Mol Phys 2017. [DOI: 10.1080/00268976.2017.1308027] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- M. Campetella
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro, Rome, Italy
| | - M. Macchiagodena
- Mulliken Center for Theoretical Chemistry, Institut für Physikalische und Theoretische Chemie, Universität Bonn, Beringstraße, Bonn,Germany
| | - L. Gontrani
- Dipartimento di Chimica, Sapienza Università di Roma, Piazzale Aldo Moro, Rome, Italy
| | - B. Kirchner
- Mulliken Center for Theoretical Chemistry, Institut für Physikalische und Theoretische Chemie, Universität Bonn, Beringstraße, Bonn,Germany
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27
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Takekiyo T, Koyama Y, Shigemi M, Matsuishi K, Abe H, Hamaya N, Yoshimura Y. Conformational adjustment for high-pressure glass formation of 1-alkyl-3-methylimidazolium tetrafluoroborate. Phys Chem Chem Phys 2017; 19:863-870. [DOI: 10.1039/c6cp06212a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The role of the alkyl-chain length (the conformational adjustment effect) in high pressure glass formation of 1-alkyl-3-methylimidazolum tetrafluoroborate.
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Affiliation(s)
- Takahiro Takekiyo
- Department of Applied Chemistry
- National Defense Academy
- Yokosuka
- Japan
| | - Yoshihiro Koyama
- Graduate School of Pure and Applied Science
- University of Tsukuba
- Tsukuba
- Japan
| | - Machiko Shigemi
- Department of Applied Chemistry
- National Defense Academy
- Yokosuka
- Japan
| | - Kiyoto Matsuishi
- Graduate School of Pure and Applied Science
- University of Tsukuba
- Tsukuba
- Japan
| | - Hiroshi Abe
- Department of Materials Science and Technology
- National Defense Academy
- Yokosuka
- Japan
| | - Nozomu Hamaya
- Graduate School of Humanities and Sciences
- Ochanomizu University
- Bunkyo-ku
- Japan
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28
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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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29
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Mariani A, Caminiti R, Gontrani L. Water and hexane in an ionic liquid: computational evidence of association under high pressure. Phys Chem Chem Phys 2017; 19:8661-8666. [DOI: 10.1039/c6cp08450h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Dissolving water and hexane in an ionic liquid, our simulations clearly show association between them at high pressures.
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Affiliation(s)
- A. Mariani
- Department of Chemistry
- “La Sapienza” University of Rome
- 00185 Rome
- Italy
| | - R. Caminiti
- Department of Chemistry
- “La Sapienza” University of Rome
- 00185 Rome
- Italy
- Centro di Ricerca per le Nanotecnologie Applicate all’Ingegneria
| | - L. Gontrani
- Department of Chemistry
- “La Sapienza” University of Rome
- 00185 Rome
- Italy
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30
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Reddy TDN, Mallik BS. Protic ammonium carboxylate ionic liquids: insight into structure, dynamics and thermophysical properties by alkyl group functionalization. Phys Chem Chem Phys 2017; 19:10358-10370. [DOI: 10.1039/c6cp08884h] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This study is aimed at characterising the structure, dynamics and thermophysical properties of five alkylammonium carboxylate ionic liquids (ILs) from classical molecular dynamics simulations.
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Affiliation(s)
- Th. Dhileep N. Reddy
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Sangareddy-502285
- India
| | - Bhabani S. Mallik
- Department of Chemistry
- Indian Institute of Technology Hyderabad
- Sangareddy-502285
- India
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31
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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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32
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Mariani A, Ballirano P, Angiolari F, Caminiti R, Gontrani L. Does High Pressure Induce Structural Reorganization in Linear Alcohols? A Computational Answer. Chemphyschem 2016; 17:3023-3029. [DOI: 10.1002/cphc.201600268] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Indexed: 11/06/2022]
Affiliation(s)
- Alessandro Mariani
- Dipartimento di Chimica; “La Sapienza” Università di Roma; Piazzale Aldo Moro, 5 - 00185 Roma Italy
| | - Paolo Ballirano
- Dipartimento di Scienze della Terra; “La Sapienza” Università di Roma; Piazzale Aldo Moro, 5 - 00185 Roma 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 Roma Italy
| | - Federica Angiolari
- Dipartimento di Chimica; “La Sapienza” Università di Roma; Piazzale Aldo Moro, 5 - 00185 Roma Italy
| | - Ruggero Caminiti
- Dipartimento di Chimica; “La Sapienza” Università di Roma; Piazzale Aldo Moro, 5 - 00185 Roma 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 Roma Italy
| | - Lorenzo Gontrani
- Dipartimento di Chimica; “La Sapienza” Università di Roma; Piazzale Aldo Moro, 5 - 00185 Roma Italy
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33
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Sharma S, Gupta A, Kashyap HK. How the Structure of Pyrrolidinium Ionic Liquids Is Susceptible to High Pressure. J Phys Chem B 2016; 120:3206-14. [DOI: 10.1021/acs.jpcb.6b01133] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Shobha Sharma
- 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
| | - Hemant K. Kashyap
- Department of Chemistry, Indian Institute of Technology Delhi, Hauz Khas, New Delhi 110016, India
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34
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Salma U, Ballirano P, Usula M, Caminiti R, Plechkova NV, Seddon KR, Gontrani L. A new insight into the nanostructure of alkylammonium alkanoates based ionic liquids in water. Phys Chem Chem Phys 2016; 18:11497-502. [DOI: 10.1039/c5cp07953e] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
In this paper, small angle X-ray scattering has been used to study a series of ionic liquids, alkylammonium alkanoates ([N0 0 0 n][CmCO2]), with varying alkyl chain lengths in the cation and the anion.
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Affiliation(s)
- Umme Salma
- Dipartimento di Chimica
- Università di Roma
- I-00185 Roma
- Italy
| | - Paolo Ballirano
- Dipartimento di Scienze della Terra
- Università di Roma
- I-00185 Roma
- Italy
| | - Marianna Usula
- Dipartimento di Scienze Chimiche e Geologiche – Università degli Studi di Cagliari
- Cittadella Universitaria di Monserrato
- I-09042 Monserrato
- Italy
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