Search Results - "Hirai, Yutaro"
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Self-assembled microrings of Au nanoparticle and Au nanorod clusters formed at the equators of Janus particles
Published in RSC advances (03-06-2019)“…A method for fabricating polymer Janus particles with microring structures at their equators has been developed. This method allows gold nanoparticles and…”
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Fe azaphthalocyanine unimolecular layers (Fe AzULs) on carbon nanotubes for realizing highly active oxygen reduction reaction (ORR) catalytic electrodes
Published in NPG Asia materials (18-10-2019)“…A new class of Pt-free catalysts was designed that included molecular iron phthalocyanine (FePc) derivatives, namely, iron azaphthalocyanine (FeAzPc)…”
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3
Rare-metal-free hydrogen evolution reaction electrocatalysts based on metal azaphthalocyanine molecular layer for anion exchange membrane water electrolysis
Published in Discover chemical engineering (01-12-2024)“…In this report, we elucidated the hydrogen evolution reaction (HER) catalytic activity of different metal-azaphthalocyanine unimolecular layer (AZUL) catalysts…”
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4
Controlling the Formation of Polyhedral Block Copolymer Nanoparticles: Insights from Process Variables and Dynamic Modeling
Published in ACS omega (16-04-2024)“…This study delves into the formation of nanoscale polyhedral block copolymer particles (PBCPs) exhibiting cubic, octahedral, and variant geometries. These…”
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5
Low Friction of Graphene Oxide Aggregates in Lubricant Oil between a Steel Ball and Glass Disk under Boundary Lubrication
Published in ACS omega (15-11-2022)“…Previously, isolated nanocarbons in lubricating oils were considered essential for good lubrication. However, we observed that graphene oxide (GO) aggregates…”
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6
Thermally Stable Honeycomb-Patterned Porous Films of a Poly(L-lactic acid) and Poly(D-lactic acid) Stereo Complex Prepared Using the Breath Figure Technique
Published in Macromolecular materials and engineering (01-05-2016)“…Porous polymer materials prepared from biodegradable polymers have received considerable attention due to their potential as cell culture scaffolds for tissue…”
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7
Metal Phthalocyanine Derivative Nanocrystals: Color-controlled and Transparent Dispersions by a One-pot UV-assisted Synthetic Process
Published in Chemistry letters (2017)“…Metal phthalocyanines (PCs) and their derivatives (PCDs) have been considered for applications in color filters, photovoltaic cells, and photodynamic therapy,…”
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Ashura Particles: Experimental and Theoretical Approaches for Creating Phase-Separated Structures of Ternary Blended Polymers in Three-Dimensionally Confined Spaces
Published in ACS omega (20-08-2019)“…Unique morphologies were found in binary and ternary polymer blended particles, including Ashura-type phase separation, which has three different polymer…”
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9
Enhanced Fluorescence Emission and Magnetic Alignment Control of Biphasic Functionalized Composite Janus Particles
Published in Particle & particle systems characterization (01-01-2019)“…Janus particles, particles that have two distinct aspects on their surface or interiors, have attracted much attention due to their potential for application…”
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10
Preparation of Hierarchic Porous Films of α‑MnO2 Nanoparticles by Using the Breath Figure Technique and Application for Hybrid Capacitor Electrodes
Published in ACS omega (28-02-2019)“…The honeycomb-structured film has advantages such as high wettability and high surface area. This structure and properties are suitable for the capacitor…”
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11
Study on a Novel Sample Preparation Method for Organic Materials in Atom Probe Tomography
Published in E-journal of surface science and nanotechnology (01-01-2016)“…It is important to study the distribution of host and guest molecules in organic electroluminescence materials because their distribution dramatically affects…”
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12
A Molecular Adsorption Concept for Increasing Energy Density of Hybrid Supercapacitors
Published in ACS applied materials & interfaces (03-07-2024)“…In this report, we demonstrate that high-capacity hybrid supercapacitors can be realized by utilizing iron azaphthalocyanine (FeAzPc-4N) adsorbed activated…”
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13
Benchmarking pH-field coupled microkinetic modeling against oxygen reduction in large-scale Fe-azaphthalocyanine catalysts
Published in Chemical science (Cambridge) (03-04-2024)“…Molecular metal-nitrogen-carbon (M-N-C) catalysts with well-defined structures and metal-coordination environments exhibit distinct structural properties and…”
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14
Near-Infrared-Excitable SERS Measurement Using Magneto-Responsive Metafluids for in Situ Molecular Analysis
Published in ACS applied nano materials (28-09-2018)“…Metal nanoparticle clusters are regarded as metamaterials, and dispersions of nanoparticle clusters are regarded as metafluids. Surface-enhanced Raman…”
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15
Designing “Metamolecules” for Photonic Function: Reduced Backscattering
Published in physica status solidi (b) (01-12-2020)“…Metamaterials, subwavelength nanostructured materials, can exhibit novel optical properties such as a negative index of refraction. Dielectric…”
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Janus Particles: Enhanced Fluorescence Emission and Magnetic Alignment Control of Biphasic Functionalized Composite Janus Particles (Part. Part. Syst. Charact. 1/2019)
Published in Particle & particle systems characterization (01-01-2019)“…Magneto‐responsive fluorescent Janus particles have been successfully prepared by simple self‐organization of polymers and gold nanoparticles. In article…”
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17
Preparation of Hierarchic Porous Films of α-MnO 2 Nanoparticles by Using the Breath Figure Technique and Application for Hybrid Capacitor Electrodes
Published in ACS omega (28-02-2019)“…The honeycomb-structured film has advantages such as high wettability and high surface area. This structure and properties are suitable for the capacitor…”
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Journal Article