Search Results - "Nagano, Shusaku"
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Versatility of photoalignment techniques: From nematics to a wide range of functional materials
Published in Polymer (Guilford) (18-10-2013)“…Alignment methods of nematic liquid crystals (LCs) by surface photoreactions on substrate surfaces were initially proposed around 1990, and the photoalignment…”
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2
Band-like Transport of Charge Carriers in Oriented Two-Dimensional Conjugated Covalent Organic Frameworks
Published in Chemistry of materials (25-01-2022)“…A tunable topology and a porous network make π-conjugated covalent organic frameworks (COFs) a new class of organic semiconductors for optoelectronic, smart…”
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3
Simple linear ionic polysiloxane showing unexpected nanostructure and mechanical properties
Published in Scientific reports (03-09-2021)“…Polysiloxanes are ubiquitous materials in industry and daily life derived from silicates, an abundant resource. They exhibit various properties, which depend…”
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4
Induced Smectic E Phase in a Binary Blend of Side‐Chain Liquid Crystalline Polymers
Published in Macromolecular rapid communications. (01-03-2023)“…Two liquid crystalline polymers containing an azobenzene or cyanobiphenyl mesogenic side chain that adopt smectic A phases are mechanically mixed at 1:1…”
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Induction of Highly Ordered Smectic Phases in Side Chain Liquid Crystalline Polymers by Means of Random Copolymerization
Published in Macromolecules (24-03-2020)“…The glass transition and melting temperatures of binary random copolymers are mostly observed as nearly the average of each homopolymer with moderate…”
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Photoinitiated Marangoni flow morphing in a liquid crystalline polymer film directed by super-inkjet printing patterns
Published in Scientific reports (22-02-2019)“…Slight contaminations existing in a material lead to substantial defects in applied paint. Herein, we propose a strategy to convert this nuisance to a…”
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Photo-triggered large mass transport driven only by a photoresponsive surface skin layer
Published in Scientific reports (29-07-2020)“…Since the discovery 25 years ago, many investigations have reported light-induced macroscopic mass migration of azobenzene-containing polymer films. Various…”
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Reversible “On/Off” Chiral Amplification of Pillar[5]arene Assemblies by Dual External Stimuli
Published in ACS nano (26-10-2021)Get full text
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9
Metal–Organic Coordination Network Thin Film by Surface-Induced Assembly
Published in Langmuir (05-07-2016)“…The growth of metal–organic coordination network thin films on surfaces has been pursued extensively and intensively to manipulate the molecular arrangement…”
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10
High-Density Liquid-Crystalline Polymer Brushes Formed by Surface Segregation and Self-Assembly
Published in Angewandte Chemie International Edition (02-11-2016)“…High‐density polymer brushes on substrates exhibit unique properties and functions stemming from the extended conformations due to the surface constraint. To…”
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Free Surface Command Layer for Photoswitchable Out-of-Plane Alignment Control in Liquid Crystalline Polymer Films
Published in Langmuir (26-01-2016)“…To date, reversible alignment controls of liquid crystalline materials have widely been achieved by photoreactive layers on solid substrates. In contrast, this…”
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High Contrast Fluorescence Patterning in Cyanostilbene-Based Crystalline Thin Films: Crystallization-Induced Mass Flow Via a Photo-Triggered Phase Transition
Published in Advanced materials (Weinheim) (05-03-2014)“…A facile and innovative method for the fabrication of highly fluorescent micro‐patterns is presented, which operates on the principle of phototriggered phase…”
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13
Crystallization-Induced Uniform Nanodot Formation of Titanium Dioxide Films
Published in Bulletin of the Chemical Society of Japan (15-02-2022)“…We propose a simple technique to fabricate a uniform nanodot array of titanium dioxide via two-dimensional shrinkage in the amorphous-to-crystalline (anatase)…”
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14
Photo-triggered surface relief formation of polystyrene films based on the Marangoni flow driven by a surface photoresponsive skin layer
Published in Molecular Crystals and Liquid Crystals (22-09-2021)“…Surface relief gratings (SRGs) are widely investigated in azobenzene-containing polymer films. We have recently demonstrated that a photoresponsive azobenzene…”
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15
Liquid-Crystalline Polymer and Block Copolymer Domain Alignment Controlled by Free-Surface Segregation
Published in Angewandte Chemie International Edition (03-06-2013)“…An orientational change from homeotropic to planar of liquid crystal (LC) mesogens and the microphase separation (MPS) domains is attained by the segregated…”
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Photo‐Responsive Soft Ionic Crystals: Ion‐Pairing Assemblies of Azobenzene Carboxylates
Published in Chemistry : a European journal (12-07-2017)“…This report delineates the design and synthesis of negatively charged azobenzene derivatives that form photo‐responsive ion‐pairing assemblies. The azobenzene…”
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Formation of unusual microphase-separated ultrathin films of poly(vinyl catechol-block-styrene) (PVCa-b-PSt) at the air–water interface by solution casting onto water
Published in RSC advances (2017)“…This report describes the preparation of ultrathin films possessing unusual fingerprint-like morphologies for poly(vinyl catechol- block -styrene) (PVCa- b…”
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18
Effect of Surface Silanol Density on the Proton Conductivity of Polymer-Surface-Functionalized Silica Nanoparticles
Published in ACS sustainable chemistry & engineering (02-08-2021)“…We have developed a polymer electrolyte membrane (PEM) material using polymer-coated silica nanoparticles (NPs) by the reversible addition-fragmentation…”
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19
Photoalignment and Photofixation of Chromonic Mesophase in Ionic Linear Polysiloxanes Using a Dual Irradiation System
Published in Crystals (Basel) (01-02-2023)“…Photoalignment technology enables macroscopic alignment of liquid crystalline molecules and their aggregates in a non-contact process by irradiating…”
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Photoinduced 3D Ordering and Patterning of Microphase-Separated Nanostructure in Polystyrene-Based Block Copolymer
Published in Chemistry of materials (03-04-2007)Get full text
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