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Hirotaka Kojima

Observed names: H. Kojima, Hirotaka KOJIMA, KOJIMA Hirotaka, Kojima, Hirotaka
ORCID: 0000-0003-1166-9300
Observed ORCID: 0000-0003-1166-9300
OpenAlex ID: A5017463982
Light-driven molecular switch for reconfigurable spin filters
2019 · Masayuki Suda, Yuranan Thathong, et al. · Nature Communications · 186
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From materials to device design of a thermoelectric fabric for wearable energy harvesters
2017 · Mitsuhiro Ito, Takuya Koizumi, et al. · Journal of Materials Chemistry A · 146
High performance ambipolar organic field-effect transistors based on indigo derivatives
2014 · Oratai Pitayatanakul, Toshiki Higashino, et al. · Journal of Materials Chemistry C · 94
Correlation of mobility and molecular packing in organic transistors based on cycloalkyl naphthalene diimides
2013 · Tomoyuki Kakinuma, Hirotaka Kojima, et al. · Journal of Materials Chemistry C · 50
Conducting Organic Frameworks Based on a Main‐Group Metal and Organocyanide Radicals
2013 · Zhongyue Zhang, Hanhua Zhao, et al. · Chemistry - A European Journal · 42
Evaluating Computational Shortcuts in Supercell-Based Phonon Calculations of Molecular Crystals: The Instructive Case of Naphthalene
2020 · Tomas Kamencek, Sandro Wieser, et al. · Journal of Chemical Theory and Computation · 41
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Universality of the giant Seebeck effect in organic small molecules
2018 · Hirotaka Kojima, Ryo Abe, et al. · Materials Chemistry Frontiers · 39
Enhancement of thermoelectric properties of carbon nanotube composites by inserting biomolecules at nanotube junctions
2014 · Mitsuhiro Ito, Naofumi Okamoto, et al. · Applied Physics Express · 39
Dihedral Angle Dependence of Transfer Integrals in Organic Semiconductors with Herringbone Structures
2011 · Hirotaka Kojima, Takehiko Mori · Bulletin of the Chemical Society of Japan · 33
Giant Seebeck effect in pure fullerene thin films
2015 · Hirotaka Kojima, Ryo Abe, et al. · Applied Physics Express · 31
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Giant phototransistor response in dithienyltetrathiafulvalene derivatives
2013 · Tomoyuki Kakinuma, Hirotaka Kojima, et al. · Journal of Materials Chemistry C · 26
Organic Semiconductors and Conductors with tert-Butyl Substituents
2012 · Toshiki Higashino, Yuto Akiyama, et al. · Crystals · 23
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Estimated Mobility of Ambipolar Organic Semiconductors, Indigo and Diketopyrrolopyrrole
2012 · Hirotaka Kojima, Takehiko Mori · Chemistry Letters · 22
Giant Seebeck effect over 0.1 V K −1 – is this an intrinsic phenomenon in organic semiconductors?
2023 · Masakazu Nakamura, Hirotaka Kojima, et al. · Faraday Discussions · 15
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Thermoelectric and Thermal Transport Properties in Sumanene Crystals
2018 · Hirotaka Kojima, Mario Nakagawa, et al. · Chemistry Letters · 15
Formation of CH3NH2-incorporated intermediate state in CH3NH3PbI3 hybrid perovskite thin film formed by sequential vacuum evaporation
2018 · Min-Cherl Jung, Sora Kobori, et al. · Applied Physics Express · 14
Error factors in precise thermal conductivity measurement using 3ω method for wire samples
2023 · Yuki Sekimoto, Ryo Abe, et al. · Journal of Thermal Analysis and Calorimetry · 13
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Energy band structure and metal–organic interactions in tetracyanoquinodimethane (TCNQ) and N,N′-dicyanoquinonediimine (DCNQI) materials
2012 · Hirotaka Kojima, Zhongyue Zhang, et al. · Journal of Materials Chemistry C · 13
Diffusion and influence on photovoltaic characteristics of p-type dopants in organic photovoltaics for energy harvesting from blue-light
2017 · Min-Cherl Jung, Hirotaka Kojima, et al. · Organic Electronics · 12
Enhancement of Short-Range Ordering of Low-Bandgap Donor–Acceptor Conjugated Polymer in Polymer/Polymer Blend Films
2020 · Anjar Taufik Hidayat, Hiroaki Benten, et al. · Macromolecules · 10
Combining Photosynthesis and Photovoltaics: A Hybrid Energy-Harvesting System Using Optical Antennas
2020 · Asman Tamang, Rion Parsons, et al. · ACS Applied Materials & Interfaces · 9
Lateral electric-field control of giant magnetoresistance in Co/Cu/Fe/BaTiO3 multiferroic heterostructure
2015 · S. Savitha Pillai, H. Kojima, et al. · Applied Physics Letters · 8
Benzothienobenzothiophene: recent uses as a transistor material and derivatization for adding new features in device functions
2025 · Tomofumi Kadoya, Takuto Imai, et al. · CrystEngComm · 7
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Broadband infrared absorption spectroscopy of low-frequency inter-molecular vibrations in crystalline poly(L-lactide)
2022 · Nobuya Hiroshiba, Mitsuru Akiraka, et al. · Physica B Condensed Matter · 6
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Chain aggregation dictates bimolecular charge recombination and fill factor of all-polymer blend solar cells
2022 · Ren Hagio, Hiroaki Benten, et al. · Journal of Materials Chemistry A · 6
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Works count: 85
Citation count: 911
H-index: 15
I10-index: 20
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