Search Results - "Kanemoto, Katsuichi"
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Visualizing electroluminescence process in light-emitting electrochemical cells
Published in Nature communications (01-03-2023)“…Electroluminescence occurs via recombination reactions between electrons and holes, but these processes have not been directly evaluated. Here, we explore the…”
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Determining internal screening electric field of working polymer light emitting diodes
Published in Applied physics letters (04-07-2016)“…This study provides a method of determining the internal electric field of polymer light emitting diodes (LEDs) in the working condition. The method employs…”
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3
Magneto-capacitance effects induced by air-generated traps in organic semiconductors
Published in Polyhedron (04-11-2017)“…The polymer diode designed to generate plenty of trapped photocarriers by air-treatment is shown to exhibit magneto-capacitance effect under photoirradiation…”
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Electron–Hole Pairs Generated in the Crystalline Phase of Polymer Diodes Studied by Electrically Detected Magnetic Resonance Techniques
Published in Journal of physical chemistry. C (31-10-2019)“…The properties of electron–hole (e–h) pairs generated in a working poly(3-hexylthiophene) (P3HT) diode are investigated by electrically detected magnetic…”
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Quantifying Power Flow Processes Mediated by Spin Currents
Published in ACS applied electronic materials (27-04-2021)“…The power flow process mediated by spin current in the bilayer device consisting of ferromagnetic metal (FM) and nonmagnetic metal (NM) layers is examined by…”
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Spectroscopic investigations on Stark components observed in photoinduced absorption measurements for dye-sensitized solar cells
Published in Thin solid films (03-03-2014)“…Spectral features of the Stark signals that are observed in photoinduced optical spectra for dye-sensitized solar cell systems are examined using…”
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Origin of Stark Signals Induced by Continuous Photoirradiation for Working Dye-Sensitized Solar Cells Revealed by Photoinduced Absorption Measurements
Published in Journal of physical chemistry. C (07-08-2014)“…It has recently been reported that characteristic signals resulting from a Stark effect are included in the spectra of photoinduced absorption (PIA)…”
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Direct monitoring of bias-dependent variations in the exciton formation ratio of working organic light emitting diodes
Published in Scientific reports (21-10-2015)“…In typical operation of organic light emitting diodes (OLEDs), excitons are assumed to generate with a ratio of 1:3 for singlet and triplet excitons,…”
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Spectroscopic observation of triplet exciton dynamics during operation in polymer light emitting diodes
Published in Molecular Crystals and Liquid Crystals (12-04-2016)“…In typical fluorescent organic light emitting diodes (LEDs), the observation of triplet excitons is difficult because of their non-radiative features of decay…”
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10
Displacement Current Induced by Electron Spin Resonance in Organic Semiconductor
Published in Molecular Crystals and Liquid Crystals (22-11-2015)“…A current induced by electron spin resonance (ESR) transitions is investigated for polymer diodes using electrically detected magnetic resonance techniques…”
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Displacement current induced by spin resonance in air-treated conjugated polymer diodes
Published in Physical review. B, Condensed matter and materials physics (04-09-2012)“…We demonstrate that air-treated conjugated polymer diodes under photoexcitation give rise to a transient current exceeding a steady-state photocurrent by…”
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Polaron Dynamics of Heavily Doped Regioregular and Regiorandom Poly(3-alkylthiophenes) Revealed by Electron Spin Resonance Spectroscopy
Published in The journal of physical chemistry. B (04-09-2008)“…Electron spin resonance (ESR) features in heavily doped conjugated polymers are investigated through the comparison of temperature dependences of ESR spectra…”
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Morphology-dependent carrier and exciton generations in regioregular poly(3-hexylthiophene) polymer diodes as revealed by bleaching spectroscopy
Published in Physical review letters (30-10-2009)“…Bleaching probe spectroscopy performed for regioregular poly(3-hexylthiophene) diodes reveals that coexistent morphological phases determine the conducting and…”
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Direct optical probing of negative carriers from an operating [6,6]-phenyl C61 butyric acid methyl ester diode
Published in Applied physics letters (19-07-2010)“…We have performed spectroscopic measurements combining with the diode operation of [6,6]-phenyl C61 butyric acid methyl ester (PCBM) for directly…”
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Polycationic States of Oligoanilines Based on Wurster's Blue
Published in European Journal of Organic Chemistry (01-09-2009)“…Polycations of two oligoanilines based on Wurster's blue,N,N′,N″‐tris[4‐(dimethylamino)phenyl]‐N,N′,N″‐trimethyl‐1,3,5‐benzenetriamine (2) and…”
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Book Review Journal Article -
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Time-Resolved Operando Spectroscopy for Dye-Sensitized Solar Cells from Multiple Perspectives
Published in Journal of physical chemistry. C (05-05-2022)“…We have performed time-resolved operando measurements based on continuous wave photo-induced absorption (cw-PIA) spectroscopy to investigate the behaviors of…”
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Structure Study and Luminescence Thermochromism in Hexanuclear 6-Methyl-2-Pyridinethiolato Copper(I) Crystals
Published in The journal of physical chemistry. B (19-05-2005)“…The structure of hexanuclear 6-methyl-2-pyridinethiolato copper(I) [Cu6(6-mpyt)6] crystals has been studied by the X-ray diffraction analysis. These crystals…”
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Probing electron-hole pairs in polymer light emitting diodes using electrically- and electroluminescence-detected magnetic resonance techniques
Published in Polyhedron (04-11-2017)“…Changes of current and electroluminescence intensity induced by ESR transitions were measured to examine behaviors of electron–hole pairs in operating organic…”
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Power-Dependent Characteristics of Spin Current Transfer in Metal Bilayer Devices under High-Power Pulse Excitation
Published in ACS applied materials & interfaces (11-05-2022)“…The power-dependent transfer characteristics of spin currents generated at the interface of the permalloy/Pt bilayer device have been investigated over a wide…”
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