Search Results - "Ohtani, Naoki"
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Synthesis of branched inner-core oligosaccharides of neisserial lipooligosaccharides
Published in Tetrahedron (10-09-2021)“…In this study, branched inner-core oligosaccharides of neisserial lipooligosaccharides was successively synthesized. We found that the glycosylation of a…”
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Study of isolation method of green fluorescent pigments contained in cherry tomatoes using column chromatography
Published in Japanese Journal of Applied Physics (01-02-2020)“…We investigated a method to isolate the green fluorescent pigments contained in cherry tomatoes using column chromatography. To determine the best developing…”
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3
Structural and optical studies of pure and Ni-doped ZnO nanoparticles synthesized by simple solution combustion method
Published in Japanese Journal of Applied Physics (01-05-2014)“…In this paper, the structural and optical studies of pure and Ni-doped ZnO nanoparticles synthesized by the simple solution combustion method are reported. The…”
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4
Fabrication and optical characterization of organic-inorganic hybrid films using ultraviolet-curable silsesquioxanes
Published in Japanese Journal of Applied Physics (01-02-2014)“…Novel organic-inorganic hybrid materials consisting of organic emissive materials in SiO2 were fabricated by an ultraviolet (UV) curing method using curable…”
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5
Transmission electron microscope observation of organic–inorganic hybrid thin active layers of light-emitting diodes
Published in Nanoscale research letters (25-10-2012)“…We performed transmission electron microscope (TEM) observation of organic–inorganic hybrid thin films fabricated by the sol–gel reaction and used as the…”
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Characterization of dopant density dependence on transmittance and resistance of ZnO films fabricated using spin-coating method
Published in Molecular Crystals and Liquid Crystals (11-12-2016)“…We fabricated aluminum (Al) and gallium (Ga) co-doped ZnO films by wet-process and evaluated their sheet resistances and transmission spectra. It was found…”
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Fabrication of ultra-high density InAs-stacked quantum dots by strain-controlled growth on InP(3 1 1)B substrate
Published in Journal of crystal growth (01-11-2002)“…We have fabricated stacked InAs quantum dots (QDs) on InP(3 1 1)B substrates. An ultra-high density of QDs was obtained by a method of compensation of strain…”
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Fabrication of Organic Light-Emitting Diodes Using Photosynthetic Pigments Extracted from Spinach
Published in Japanese Journal of Applied Physics (01-01-2011)“…We fabricated organic light-emitting diodes (OLEDs) containing chlorophylls in the active region, which were extracted from spinach using a chemical method…”
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Fabrication of near-infrared polymer light-emitting-diodes using dispersed laser dye
Published in Journal of the Korean Physical Society (01-05-2012)“…The purpose of this research is to fabricate polymer light-emitting diodes (PLEDs) operating in the near-infrared (NIR) region. IR-140 is a laser-dye, whose…”
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Long-wavelength light emission from InAs quantum dots covered by GaAsSb grown on GaAs substrates
Published in Physica. E, Low-dimensional systems & nanostructures (01-03-2004)“…We fabricated InAs quantum dots (QDs) with a GaAsSb strain-reducing layer (SRL) on a GaAs(0 0 1) substrate. The wavelength of emission from InAs QD is shown to…”
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Polymer light-emitting diodes operating in ultraviolet region consisting of simple bilayer polymer thin film
Published in Molecular Crystals and Liquid Crystals (02-09-2023)“…We fabricated polymer light-emitting diodes (PLEDs) operating in the ultraviolet (UV) region by a wet-process. The samples consist of only a simple bilayer…”
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Fabrication of Organic Light-Emitting Diodes Using Photosynthetic Pigments Extracted from Spinach
Published in Japanese Journal of Applied Physics (01-01-2011)Get full text
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13
White Organic Light-Emitting Diodes Using Two Phosphorescence Materials in a Starburst Hole-Transporting Layer
Published in International journal of photoenergy (01-01-2012)“…We fabricated two kinds of white organic light-emitting diodes (WOLEDs); one consisted of two emissive materials of red and blue, and the other of three…”
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(In)GaSb/AlGaSb quantum wells grown on Si substrates
Published in Thin solid films (26-03-2007)“…We have successfully grown GaSb and InGaSb quantum wells (QW) on a Si(001) substrate, and evaluated their optical properties using photoluminescence (PL). The…”
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Journal Article Conference Proceeding -
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Fabrication and Characterization of Carbon Nitride Fluorescent Material Using Annealed Melamine
Published in physica status solidi (b) (01-06-2019)“…Fluorescent carbon nitride (CN) thin films are fabricated by annealing melamine powder. Four kinds of fabrication methods are tested: (1) annealing melamine…”
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Anomalous photoluminescence properties of emissive polymer originating from modulated chemical structures affected by antioxidant effect of natural β-carotene
Published in Japanese Journal of Applied Physics (01-05-2021)“…Abstract We investigated the antioxidant effect of natural β -carotene on the photoluminescence (PL) properties of emissive polymers and extracted the β…”
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Site control of very low density InAs QDs on patterned GaAs nano-wire surfaces
Published in Journal of crystal growth (01-04-2007)“…Self-organized InAs quantum dots (QDs) were grown on patterned GaAs substrates. A 2.5-ML-thick InAs grown on self-organized GaAs nano-wire surfaces showed QD…”
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Journal Article Conference Proceeding -
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Fabrication of sodium-doped graphitic carbon nitride for photoelectrochemical water splitting into hydrogen
Published in Japanese Journal of Applied Physics (01-01-2024)“…Abstract We observed and analyzed the physical properties of samples that underwent hydrothermal polymerization in a sodium hydroxide (NaOH) solution applied…”
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Preparation of red fluorescent materials for a solution process using europium-doped benzoguanamine
Published in Japanese Journal of Applied Physics (29-02-2024)“…Abstract This study aims to develop a novel, efficient, and stable red-emitting material using benzoguanamine in which europium (Eu) is doped. We have…”
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Chronic subdural hematoma complicating arachnoid cyst secondary to soccer-related head injury: case report
Published in Neurosurgery (01-07-2003)Get full text
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