Masafumi Yoshio
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View article: In Situ Photopolymerization of Smectic B Liquid‐Crystalline Electrolytes from Mesogenic Phosphate–Diacrylate/Ionic Liquid Complexes for High‐Performance Soft Ionic Actuators
In Situ Photopolymerization of Smectic B Liquid‐Crystalline Electrolytes from Mesogenic Phosphate–Diacrylate/Ionic Liquid Complexes for High‐Performance Soft Ionic Actuators Open
Nanostructured liquid‐crystalline (LC) electrolyte membranes hold significant promise for achieving both efficient ion transport and mechanical robustness—key requirements for high‐performance ionic actuators. Here, we report an in situ ph…
View article: Electroactive soft actuators utilizing PEDOT:PSS and 3D lithium-ion-conducting phosphate columnar liquid crystals embedded in a porous polyethylene membrane
Electroactive soft actuators utilizing PEDOT:PSS and 3D lithium-ion-conducting phosphate columnar liquid crystals embedded in a porous polyethylene membrane Open
This study introduces a novel supramolecular thermotropic columnar liquid-crystalline (LC) electrolyte tailored for high-performance ionic electroactive polymer (iEAP) actuators. The electrolyte is designed by integrating lithium salts int…
View article: Mechanically Tough Micellar Cubic Liquid‐Crystalline Polymer Electrolytes for Electromechanical Actuators
Mechanically Tough Micellar Cubic Liquid‐Crystalline Polymer Electrolytes for Electromechanical Actuators Open
This study presents a novel micellar cubic ionic liquid‐crystalline polymer electrolyte, featuring an alignment‐free spherical structure with unimpeded 3D ionic pathways, aimed at enhancing the performance of an ionic electroactive polymer…
View article: Luminescent and photoconductive liquid crystalline lamellar and helical network phases of achiral polycatenars
Luminescent and photoconductive liquid crystalline lamellar and helical network phases of achiral polycatenars Open
Lamellar and helical network phases of achiral polycatenars. Functional achiral triple chain π-conjugated rod-like molecules were investigated for their photoconductivity, photoluminescence, phosphorescence, and electroluminescence propert…
View article: Room-Temperature Zwitterionic Liquid Crystals for Mechanical Actuators
Room-Temperature Zwitterionic Liquid Crystals for Mechanical Actuators Open
We have developed room-temperature smectic liquid-crystalline (LC) ion conductors by the self-assembly of a zwitterionic mesogenic compound and a series of fluorinated lithium salts. The conductivity of lithium bis(trifluoromethylsulfonyl)…
View article: Fabrication of solution-processable OFET memory using a nano-floating gate based on a phthalocyanine-cored star-shaped polymer
Fabrication of solution-processable OFET memory using a nano-floating gate based on a phthalocyanine-cored star-shaped polymer Open
A simple one-pot solution-processed OFET memory device has been fabricated based on the vertical phase separation of phthalocyanine-cored star-shaped polystyrene and an organic semiconductor.
View article: Oxidation-degree-dependent moisture-induced actuation of a graphene oxide film
Oxidation-degree-dependent moisture-induced actuation of a graphene oxide film Open
The moisture-induced actuation behavior of graphene oxide (GO) thin films was found to depend on their extent of oxidation.
View article: Self-healing and shape memory functions exhibited by supramolecular liquid-crystalline networks formed by combination of hydrogen bonding interactions and coordination bonding
Self-healing and shape memory functions exhibited by supramolecular liquid-crystalline networks formed by combination of hydrogen bonding interactions and coordination bonding Open
New supramolecular hybrid liquid-crystalline networks exhibiting self-healing and shape memory properties are developed by self-assembly of small components through hydrogen bonding interactions and coordination bonding.
View article: Ion-Conductive Nanostructured Polymer Films Formed by Photopolymerization of Lyotropic Columnar Liquid-Crystalline Monomers, Composed of a Zwitterionic Compound and a Protic Ionic Liquid
Ion-Conductive Nanostructured Polymer Films Formed by Photopolymerization of Lyotropic Columnar Liquid-Crystalline Monomers, Composed of a Zwitterionic Compound and a Protic Ionic Liquid Open
Here, we report on a new family of columnar nanostructured polymer films forming protic nanochannels that exhibit good ionic conductivities in the order of 10−4–10−3 S cm−1 at ambient temperature. These polymer films were obtained by the i…
View article: Self-Assembled Liquid-Crystalline Ion Conductors: Odd-Even Effects of Flexible Spacers Binding a Carbonate Moiety and an Aliphatic Rod-Like Core on Phase Transition Properties and Ion Conductivities
Self-Assembled Liquid-Crystalline Ion Conductors: Odd-Even Effects of Flexible Spacers Binding a Carbonate Moiety and an Aliphatic Rod-Like Core on Phase Transition Properties and Ion Conductivities Open
Liquid-crystalline compounds consisting of mesogenic cores linked to cyclic carbonates through flexible spacers have been developed. These liquid crystals form complexes with lithium salts and self-assemble into nanostructures with well-de…
View article: Noncovalent Approach to Liquid-Crystalline Ion Conductors: High-Rate Performances and Room-Temperature Operation for Li-Ion Batteries
Noncovalent Approach to Liquid-Crystalline Ion Conductors: High-Rate Performances and Room-Temperature Operation for Li-Ion Batteries Open
We report advanced liquid-crystalline (LC) electrolytes for use in lithium-ion batteries (LIBs). We evaluated the potential of LC electrolytes with a half cell composed of Li metal and LiFePO4 which is a conventional positive el…
View article: Development of Nanostructured Water Treatment Membranes Based on Thermotropic Liquid Crystals: Molecular Design of Sub‐Nanoporous Materials
Development of Nanostructured Water Treatment Membranes Based on Thermotropic Liquid Crystals: Molecular Design of Sub‐Nanoporous Materials Open
Supply of safe fresh water is currently one of the most important global issues. Membranes technologies are essential to treat water efficiently with low costs and energy consumption. Here, the development of self‐organized nanostructured …
View article: Guanine–oligothiophene conjugates: liquid-crystalline properties, photoconductivities and ion-responsive emission of their nanoscale assemblies
Guanine–oligothiophene conjugates: liquid-crystalline properties, photoconductivities and ion-responsive emission of their nanoscale assemblies Open
Liquid-crystalline conjugated guanine–oligothiophene derivatives show electron or ambipolar carrier transport properties and ion-induced phase transition accompanied by a luminescence colour change.
View article: Self‐Assembly of Giant Spherical Liquid‐Crystalline Complexes and Formation of Nanostructured Dynamic Gels that Exhibit Self‐Healing Properties
Self‐Assembly of Giant Spherical Liquid‐Crystalline Complexes and Formation of Nanostructured Dynamic Gels that Exhibit Self‐Healing Properties Open
Supramolecular self‐assembly of 24 forklike mesogenic ligands and 12 transition metal ions led to the formation of giant spherical coordination complexes that exhibit liquid‐crystalline (LC) phases. Self‐healing LC supramolecular gels were…
View article: Redox-active Supramolecular Fibers of a Nitronyl Nitroxide-based Gelator
Redox-active Supramolecular Fibers of a Nitronyl Nitroxide-based Gelator Open
Redox-active supramolecular fibers of a nitronyl nitroxide radical molecule have been developed. The organic radical gelator forms self-assembled fibers in organic solvents via intermolecular hydrogen bonds to yield physical gels. The redo…
View article: Columnar liquid-crystalline assemblies of X-shaped pyrene–oligothiophene conjugates: photoconductivities and mechanochromic functions
Columnar liquid-crystalline assemblies of X-shaped pyrene–oligothiophene conjugates: photoconductivities and mechanochromic functions Open
The self-assembly of X-shaped pyrene–oligothiophene conjugated molecules results in the formation of columnar liquid-crystalline structures that exhibit hole carrier transport properties and shear-induced phase transition accompanied by th…
View article: Mechanoresponsive liquid crystals exhibiting reversible luminescent color changes at ambient temperature
Mechanoresponsive liquid crystals exhibiting reversible luminescent color changes at ambient temperature Open
Oligothiophene-based liquid crystals having a wide luminescent color variation exhibit reversible luminescent color changes induced by mechanical shearing and subsequent aging at ambient temperature.
View article: 3C09 Self-Assembled Liquid Crystals as Electrolytes for Thermally Stable Dye-Sensitized Solar Cells
3C09 Self-Assembled Liquid Crystals as Electrolytes for Thermally Stable Dye-Sensitized Solar Cells Open
View article: Liquid Crystals: Liquid‐Crystalline Electrolytes for Lithium‐Ion Batteries: Ordered Assemblies of a Mesogen‐Containing Carbonate and a Lithium Salt (Adv. Funct. Mater. 8/2015)
Liquid Crystals: Liquid‐Crystalline Electrolytes for Lithium‐Ion Batteries: Ordered Assemblies of a Mesogen‐Containing Carbonate and a Lithium Salt (Adv. Funct. Mater. 8/2015) Open
The application of thermotropic liquid-crystalline (LC) electrolytes to lithium-ion batteries is demonstrated for the first time by T. Kato and co-workers on page 1206. The LC electrolytes form 2D ion-conductive pathways in their LC layere…
View article: Development of Gyroid Structures through the Design of Self-organizing Ionic Liquids and Their Application
Development of Gyroid Structures through the Design of Self-organizing Ionic Liquids and Their Application Open
Recently, there has been increasing attention on the design of nanostructured materials having gyroid structures due to their unique three-dimensionally ordered structures. In this paper, bicontinuous cubic liquid crystal, one of represent…
View article: Zwitterionic liquid crystals as 1D and 3D lithium ion transport media
Zwitterionic liquid crystals as 1D and 3D lithium ion transport media Open
3D and 1D lithium ion transport is achieved along nanostructured ionic pathways built through co-assembly of a zwitterionic liquid crystal, a lithium salt and propylene carbonate.
View article: 2D assemblies of ionic liquid crystals based on imidazolium moieties: formation of ion-conductive layers
2D assemblies of ionic liquid crystals based on imidazolium moieties: formation of ion-conductive layers Open
Organization of imidazolium ionic liquids into 2D ion-conductive pathways enhances the ionic conductivity of the imidazolium-based ionic liquid crystals.
View article: Use of a protic salt for the formation of liquid-crystalline proton-conductive complexes with mesomorphic diols
Use of a protic salt for the formation of liquid-crystalline proton-conductive complexes with mesomorphic diols Open
Co-assembly of an imidazolium-based protic salt and wedge-shaped mesomorphic diols forms 1D and 2D proton transport pathways.