Koichi Okamoto

Professor

Osaka University

Japan

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About

Koichi Okamoto is a Professor at Osaka Metropolitan University, Japan. His research primarily focuses on nanostructures and their applications in bioimaging and biosensing, as well as the optical properties of plasmonic materials. Recent publications include studies on surface plasmon coupling, emission enhancement in thin films, and the photophysical properties of nanopillar structures.

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Collaborators (7)

Jean-Pierre Bucher

University of Strasbourg

FRANCE

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Thasaneeya Kuboki

Assistant Professor

Kyushu University

JAPAN

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Hiroyoshi Naito

JAPAN

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Sou Ryuzaki

Associate Prof.

Hokkaido University

JAPAN

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Jun Onoe

Nagoya University

JAPAN

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Yoichi Kawakami

Professor

Kyoto University

JAPAN

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Yusuke Arima

Kyushu University

JAPAN

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Koichi Okamoto

Research Interests

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About

Articles (25)

Enhanced Localized Electric Field from Surface Plasmon Coupling in a Silver Nanostructure Array with a Silver Thin Film for Bioimaging and Biosensing

Emission Enhancement of ZnO Thin Films in Ultraviolet Wavelength Region Using Au Nano-Hemisphere on Al Mirror Structures

High-efficiency green light emission from InGaN/GaN using localized surface plasmon resonance tuned by combination of Ag nanoparticles and dielectric thin film

Evaluation of Phototoxicity of Short-Wavelength Laser Light Utilizing PCNA Accumulation

Effect of thermal annealing on the surface plasmon properties of gold and silver nanodisk structures fabricated by electron beam lithography

Novel Plasmonic Metamaterials Based on Metal Nano-Hemispheres and Metal-Dielectric Composites

Spatial and time-resolved properties of emission enhancement in polar/semi-polar InGaN/GaN by surface plasmon resonance

Ultrasonic velocity change imaging of a human forearm

Design and Optimization of Silver Nanostructured Arrays in Plasmonic Metamaterials for Sensitive Imaging Applications

Two-Dimensional Empty Liquid Composed of a Patchy Metal Nanoparticle Network Structure for Transparent Plasmonic Devices

Propagation loss in polyfluorene waveguides due to nanometer-roughness at their interfaces, studied by amplified spontaneous emission measurements

Correlated photoluminescence blinking phenomenon on InGaN/GaN nanopillar structures

Optical Properties and Applications of Diffraction Grating Using Localized Surface Plasmon Resonance with Metal Nano-Hemispheres

Tunable Plasmon Resonance in Silver Nanodisk-on-Mirror Structures and Scattering Enhancement by Annealing

Plasmonic Metamaterial Ag Nanostructures on a Mirror for Colorimetric Sensing

Flexible tuning of the peak wavelength and intensity of localized surface plasmon resonance by heat treatment of nanodisk structures fabricated by electron beam lithography

Enhancement of the bandgap emission from GaN epilayer by surface plasmon resonance in the quadrupole oscillation mode using Ag nanoparticles protected by an oxide thin film

Optimal Conditions for a Multimode Laser Diode with Delayed Optical Feedback in Terahertz Time-Domain Spectroscopy

Deep-ultraviolet localized surface plasmon resonance using Ga nanoparticles

Transient Nascent Adhesion at the Initial Stage of Cell Adhesion Visualized on a Plasmonic Metasurface

Erratum: “Morphological and optical properties of α- and β-phase zinc (II) phthalocyanine thin films for application to organic photovoltaic cells” [J. Chem. Phys. 153, 144704 (2020)]

Comparison of surface plasmon polariton characteristics of Ag- and Au-based InGaN/GaN nanocolumn plasmonic crystals

Erratum: “Photopolymerization effects on the external quantum efficiency of fullerene/zinc phthalocyanine heterojunction solar cells” [AIP Adv. 11, 075227 (2021)]

Photopolymerization effects on the external quantum efficiency of fullerene/zinc phthalocyanine heterojunction solar cells

Metallic nanovoid and nano hemisphere structures fabricated via simple methods to control localized surface plasmon resonances in UV and near IR wavelength regions

Collaborators (7)

Jean-Pierre Bucher

Thasaneeya Kuboki

Hiroyoshi Naito

Sou Ryuzaki

Jun Onoe

Yoichi Kawakami

Yusuke Arima

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