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Dicationic ionic liquids based on bis(4-oligoethyleneoxyphenyl) viologen bistriflimide salts exhibiting high ionic conductivities. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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2
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Spectroelectrochemical studies of electrochromic diarylethene ionic Liquids: From solution to ionogel based devices. Microchem J 2022. [DOI: 10.1016/j.microc.2022.107870] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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3
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Cruz H, Jordão N, Santiago S, Gago S, Villabona M, Hernando J, Guirado G, Branco LC. Photo‐electrochromic salt composed by viologen cation and diarylethene anion derivatives. ELECTROCHEMICAL SCIENCE ADVANCES 2022. [DOI: 10.1002/elsa.202100022] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Affiliation(s)
- Hugo Cruz
- Departamento de Química LAQV‐REQUIMTE Faculdade de Ciências e Tecnologia Universidade NOVA de Lisboa Caparica Portugal
| | - Noemi Jordão
- Departamento de Química LAQV‐REQUIMTE Faculdade de Ciências e Tecnologia Universidade NOVA de Lisboa Caparica Portugal
| | - Sara Santiago
- Departament de Química Universitat Autònoma de Barcelona Bellaterra Spain
| | - Sandra Gago
- Departamento de Química LAQV‐REQUIMTE Faculdade de Ciências e Tecnologia Universidade NOVA de Lisboa Caparica Portugal
| | - Marc Villabona
- Departament de Química Universitat Autònoma de Barcelona Bellaterra Spain
| | - Jordi Hernando
- Departament de Química Universitat Autònoma de Barcelona Bellaterra Spain
| | - Gonzalo Guirado
- Departament de Química Universitat Autònoma de Barcelona Bellaterra Spain
| | - Luís C. Branco
- Departamento de Química LAQV‐REQUIMTE Faculdade de Ciências e Tecnologia Universidade NOVA de Lisboa Caparica Portugal
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4
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Bhowmik PK, Noori O, Chen SL, Han H, Fisch MR, Robb CM, Variyam A, Martinez-Felipe A. Ionic liquid crystals: Synthesis and characterization via NMR, DSC, POM, X-ray diffraction and ionic conductivity of asymmetric viologen bistriflimide salts. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.115370] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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5
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Saielli G, Satoh K. A coarse-grained model of ionic liquid crystals: the effect of stoichiometry on the stability of the ionic nematic phase. Phys Chem Chem Phys 2019; 21:20327-20337. [PMID: 31495845 DOI: 10.1039/c9cp03296g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
We have investigated, by means of molecular dynamics simulations, the phase behaviour of mixtures of charged ellipsoidal Gay-Berne (GB) particles and spherical Lennard-Jones (LJ) particles, as a coarse-grained model of ionic liquid crystals (ILCs). The anisotropic GB particles represent cations usually found in ILCs, for example, pyridinium or bipyridinium salts, while the spherical LJ particles are taken as a model of anions like common halides, hexafluorophosphate and tetrafluoroborate. Here we have focused our attention on the effect of the stoichiometry of the system (that is, the GB : LJ ratio n : m in the salt formula [GB]n[LJ]m) on the stability and thermal range of the ionic liquid crystal phases formed, with special attention to the ionic nematic phase. To isolate the stoichiometry effect, a comparison of four different systems with GB : LJ ratios of 1 : 3, 1 : 2, 1 : 1 and 2 : 1 is made by keeping the packing fraction and the charge of the minor component fixed. Our results suggest a way to improve the stability of the ionic nematic phase by enhancing the anisotropic van der Waals interaction compared to the Coulomb interaction, and by increasing the proportion of anisotropic particles in the mixture.
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Affiliation(s)
- Giacomo Saielli
- CNR Institute on Membrane Technology, Unit of Padova, Via Marzolo, 1, 35131 Padova, Italy.
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6
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Jordão N, Ferreira P, Cruz H, Parola AJ, Branco LC. Photochromic Room Temperature Ionic Liquids Based on Anionic Diarylethene Derivatives. CHEMPHOTOCHEM 2019. [DOI: 10.1002/cptc.201900028] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Noémi Jordão
- LAQV-REQUIMTE, Departamento de Química Faculdade de Ciências e TecnologiaUniversidade Nova de Lisboa 2829-516 Caparica Portugal
| | - Pedro Ferreira
- LAQV-REQUIMTE, Departamento de Química Faculdade de Ciências e TecnologiaUniversidade Nova de Lisboa 2829-516 Caparica Portugal
| | - Hugo Cruz
- LAQV-REQUIMTE, Departamento de Química Faculdade de Ciências e TecnologiaUniversidade Nova de Lisboa 2829-516 Caparica Portugal
| | - A. Jorge Parola
- LAQV-REQUIMTE, Departamento de Química Faculdade de Ciências e TecnologiaUniversidade Nova de Lisboa 2829-516 Caparica Portugal
| | - Luís C. Branco
- LAQV-REQUIMTE, Departamento de Química Faculdade de Ciências e TecnologiaUniversidade Nova de Lisboa 2829-516 Caparica Portugal
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7
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Thermotropic Liquid-Crystalline Properties of Viologens Containing 4-n-alkylbenzenesulfonates. CRYSTALS 2019. [DOI: 10.3390/cryst9020077] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
A series of viologens containing 4-n-alkylbenzenesulfonates were synthesized by the metathesis reaction of 4-n-alkylbenzenesulfonic acids or sodium 4-n-alkylbezenesulfonates with the respective viologen dibromide in alcohols. Their chemical structures were characterized by Fourier Transform Infrared, 1H and 13C Nuclear Magnetic Resonance spectra and elemental analysis. Their thermotropic liquid-crystalline (LC) properties were examined by differential scanning calorimetry and polarizing optical microscopy. They formed LC phases above their melting transitions and showed isotropic transitions. As expected, all the viologen salts had excellent stabilities in the temperature range of 278–295 °C as determined by thermogravimetric analysis.
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8
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Cruz H, Jordão N, Dionísio M, Pina F, Branco LC. Intrinsically Electrochromic Deep Eutectic Solvents. ChemistrySelect 2019. [DOI: 10.1002/slct.201801054] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Hugo Cruz
- LAQV-REQUIMTE, Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Campus da Faculdade de Ciências e Tecnologia (FCT-NOVA) 2829-516 Caparica Portuga
| | - Noémi Jordão
- LAQV-REQUIMTE, Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Campus da Faculdade de Ciências e Tecnologia (FCT-NOVA) 2829-516 Caparica Portuga
| | - Madalena Dionísio
- LAQV-REQUIMTE, Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Campus da Faculdade de Ciências e Tecnologia (FCT-NOVA) 2829-516 Caparica Portuga
| | - Fernando Pina
- LAQV-REQUIMTE, Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Campus da Faculdade de Ciências e Tecnologia (FCT-NOVA) 2829-516 Caparica Portuga
| | - Luís C. Branco
- LAQV-REQUIMTE, Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; Campus da Faculdade de Ciências e Tecnologia (FCT-NOVA) 2829-516 Caparica Portuga
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9
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Tahara H, Uranaka K, Hirano M, Ikeda T, Sagara T, Murakami H. Electrochromism of Ferrocene- and Viologen-Based Redox-Active Ionic Liquids Composite. ACS APPLIED MATERIALS & INTERFACES 2019; 11:1-6. [PMID: 30582681 DOI: 10.1021/acsami.8b16410] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Redox-active ionic liquids (RAILs) require no other additional reagents such as solvent and supporting electrolyte for electrochemical reactions under undiluted condition. Viologen-based RAILs are one of the electrochromic (EC) ionic liquids with sharp color contrast and high chemical stability. An operation of an EC cell requires two electroactive elements, an EC material and a charge compensating material. In this study, an equimolar composite of a viologen-based RAIL as the EC material and a ferrocene-based RAIL as the charge compensation material, was synthesized and applied to an EC cell. The EC cell with the composite RAIL of as high concentration as 0.92 M each redox species showed good coloration efficiency (91.4 cm2 C-1 at 540 nm on 1.0 V). The coloration process of the EC cell was diffusion-limited process. The current and absorbance of the EC cell reached constant values at large enough bias voltage because of the charge recombination between reduced viologens and oxidized ferrocenes. The recombination affected rapid color erasing process. Almost no deterioration of the composite RAIL was found by 1H NMR after 13 000 potential cycle durability experiment.
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Affiliation(s)
- Hironobu Tahara
- Graduate School of Engineering , Nagasaki University 1-14 Bunkyo , Nagasaki , 852-8521 , Japan
| | - Kazuaki Uranaka
- Graduate School of Engineering , Nagasaki University 1-14 Bunkyo , Nagasaki , 852-8521 , Japan
| | - Makoto Hirano
- School of Engineering , Nagasaki University 1-14 Bunkyo , Nagasaki , 852-8521 , Japan
| | - Tomoya Ikeda
- Graduate School of Engineering , Nagasaki University 1-14 Bunkyo , Nagasaki , 852-8521 , Japan
| | - Takamasa Sagara
- Graduate School of Engineering , Nagasaki University 1-14 Bunkyo , Nagasaki , 852-8521 , Japan
| | - Hiroto Murakami
- Graduate School of Engineering , Nagasaki University 1-14 Bunkyo , Nagasaki , 852-8521 , Japan
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10
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Jordão N, Cruz H, Pina F, Branco LC. Studies of bipyridinium ionic liquids and deep eutectic solvents as electrolytes for electrochromic devices. Electrochim Acta 2018. [DOI: 10.1016/j.electacta.2018.04.179] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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11
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Caram JA, Jiménez Macías JP, Arroyo NR, Martínez Suárez JF, Gennaro AM, Echeverría GA, Piro OE, Mirífico MV. Stability of the Monoelectronic Reduction Product from 1,2,5‐Thiadiazole S,S‐Dioxides. Electrochemical, Chemical, and Photoinduced Doping. ChemistrySelect 2018. [DOI: 10.1002/slct.201801237] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- José A. Caram
- Department of ChemistryInstituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)CCT La Plata-CONICETFacultad de Ciencias ExactasUniversidad Nacional de La Plata (UNLP) Casilla de Correo 16, Sucursal 4 1900 La Plata Argentina
| | - Julyleth P. Jiménez Macías
- Department of ChemistryInstituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)CCT La Plata-CONICETFacultad de Ciencias ExactasUniversidad Nacional de La Plata (UNLP) Casilla de Correo 16, Sucursal 4 1900 La Plata Argentina
| | - Nelson Rodríguez Arroyo
- Department of ChemistryInstituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)CCT La Plata-CONICETFacultad de Ciencias ExactasUniversidad Nacional de La Plata (UNLP) Casilla de Correo 16, Sucursal 4 1900 La Plata Argentina
| | - Jaime F. Martínez Suárez
- Department of ChemistryInstituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)CCT La Plata-CONICETFacultad de Ciencias ExactasUniversidad Nacional de La Plata (UNLP) Casilla de Correo 16, Sucursal 4 1900 La Plata Argentina
| | - Ana M. Gennaro
- IFIS Litoral- UNL-CONICET and Department of PhysicsFacultad de Bioquímica y Ciencias Biológicas, UNL, Güemes 3450 3000 Santa Fe Argentina
| | - Gustavo A. Echeverría
- Department of PhysicsFacultad de Ciencias ExactasUniversidad Nacional de La Plata e Instituto IFLP (CONICET, CCT−La Plata), C. C. 67 1900 La Plata Argentina
| | - Oscar E. Piro
- Department of PhysicsFacultad de Ciencias ExactasUniversidad Nacional de La Plata e Instituto IFLP (CONICET, CCT−La Plata), C. C. 67 1900 La Plata Argentina
| | - María V. Mirífico
- Department of ChemistryInstituto de Investigaciones Fisicoquímicas Teóricas y Aplicadas (INIFTA)CCT La Plata-CONICETFacultad de Ciencias ExactasUniversidad Nacional de La Plata (UNLP) Casilla de Correo 16, Sucursal 4 1900 La Plata Argentina
- Department of Chemical EngineeringFacultad de IngenieríaUniversidad Nacional de La Plata, Calle 47 y 1 1900 La Plata Argentina
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12
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Jordão N, Cruz H, Branco A, Pina F, Branco LC. Bis(bipyridinium) Salts as Multicolored Electrochromic Devices. Chempluschem 2017; 82:1211-1217. [DOI: 10.1002/cplu.201700229] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 07/24/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Noémi Jordão
- LAQV-REQUIMTE; Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; 2829-516 Caparica Portugal
| | - Hugo Cruz
- LAQV-REQUIMTE; Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; 2829-516 Caparica Portugal
| | - Aida Branco
- Ynvisible; Rua Mouzinho de Albuquerque 7 2070-104 Cartaxo Portugal
| | - Fernando Pina
- LAQV-REQUIMTE; Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; 2829-516 Caparica Portugal
| | - Luís C. Branco
- LAQV-REQUIMTE; Departamento de Química; Faculdade de Ciências e Tecnologia; Universidade Nova de Lisboa; 2829-516 Caparica Portugal
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13
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Tahara H, Baba R, Iwanaga K, Sagara T, Murakami H. Electrochromism of a bipolar reversible redox-active ferrocene–viologen linked ionic liquid. Chem Commun (Camb) 2017; 53:2455-2458. [DOI: 10.1039/c6cc09412k] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
A ferrocene–viologen linked “bipolar” type redox-active ionic liquid ([FcC11VC1][TFSI]2) was synthesized as an electrochromic (EC) material that functions without any other additives: solvents, supporting electrolytes and sacrificial agents.
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Affiliation(s)
- Hironobu Tahara
- Graduate School of Engineering
- Nagasaki University 1-14 Bunkyo
- Nagasaki 852-8521
- Japan
| | - Rei Baba
- Graduate School of Engineering
- Nagasaki University 1-14 Bunkyo
- Nagasaki 852-8521
- Japan
| | - Kodai Iwanaga
- Graduate School of Engineering
- Nagasaki University 1-14 Bunkyo
- Nagasaki 852-8521
- Japan
| | - Takamasa Sagara
- Graduate School of Engineering
- Nagasaki University 1-14 Bunkyo
- Nagasaki 852-8521
- Japan
| | - Hiroto Murakami
- Graduate School of Engineering
- Nagasaki University 1-14 Bunkyo
- Nagasaki 852-8521
- Japan
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14
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Goossens K, Lava K, Bielawski CW, Binnemans K. Ionic Liquid Crystals: Versatile Materials. Chem Rev 2016; 116:4643-807. [PMID: 27088310 DOI: 10.1021/cr400334b] [Citation(s) in RCA: 411] [Impact Index Per Article: 51.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
This Review covers the recent developments (2005-2015) in the design, synthesis, characterization, and application of thermotropic ionic liquid crystals. It was designed to give a comprehensive overview of the "state-of-the-art" in the field. The discussion is focused on low molar mass and dendrimeric thermotropic ionic mesogens, as well as selected metal-containing compounds (metallomesogens), but some references to polymeric and/or lyotropic ionic liquid crystals and particularly to ionic liquids will also be provided. Although zwitterionic and mesoionic mesogens are also treated to some extent, emphasis will be directed toward liquid-crystalline materials consisting of organic cations and organic/inorganic anions that are not covalently bound but interact via electrostatic and other noncovalent interactions.
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Affiliation(s)
- Karel Goossens
- Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science (IBS) , Ulsan 689-798, Republic of Korea.,Department of Chemistry, KU Leuven , Celestijnenlaan 200F, P.O. Box 2404, B-3001 Heverlee, Belgium
| | - Kathleen Lava
- Department of Chemistry, KU Leuven , Celestijnenlaan 200F, P.O. Box 2404, B-3001 Heverlee, Belgium.,Department of Organic and Macromolecular Chemistry, Ghent University , Krijgslaan 281 S4, B-9000 Ghent, Belgium
| | - Christopher W Bielawski
- Center for Multidimensional Carbon Materials (CMCM), Institute for Basic Science (IBS) , Ulsan 689-798, Republic of Korea.,Department of Chemistry and Department of Energy Engineering, Ulsan National Institute of Science and Technology (UNIST) , Ulsan 689-798, Republic of Korea
| | - Koen Binnemans
- Department of Chemistry, KU Leuven , Celestijnenlaan 200F, P.O. Box 2404, B-3001 Heverlee, Belgium
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Jordão N, Cruz H, Branco A, Pinheiro C, Pina F, Branco LC. Switchable electrochromic devices based on disubstituted bipyridinium derivatives. RSC Adv 2015. [DOI: 10.1039/c5ra02368h] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Gel switchable electrochromic devices based on disubstituted bipyridinium derivatives have been developed.
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Affiliation(s)
- Noémi Jordão
- REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Monte de Caparica
| | - Hugo Cruz
- REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Monte de Caparica
| | | | | | - Fernando Pina
- REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Monte de Caparica
| | - Luís C. Branco
- REQUIMTE
- Departamento de Química
- Faculdade de Ciências e Tecnologia
- Universidade Nova de Lisboa
- 2829-516 Monte de Caparica
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