京都大学化学研究所研究者情報   [ English | Japanese ]


志津 功將(しづ かつゆき)

環境物質化学研究系 分子材料化学
助教
博士(工学)
URL:
E-mail: shizu at scl.kyoto-u.ac.jp
Tel: 0774-38-3152
Fax:
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研究・教育歴
専門分野
    主な研究テーマ
    主な論文・著書
    1. Wada, Y.; Shizu, K.; Kubo, S.; Fukushima, T.; Miwa, T.; Tanaka, H.; Adachi, C.; Kaji, H. , Highly efficient solution-processed host-free organic light-emitting diodes showing an external quantum efficiency of nearly 18% with a thermally activated delayed fluorescence emitter Appl. Phys. Expr. 9, 032102 (2016)
    2. Shizu, K.; Kaji, H., Organic Electroluminescent Materials Realizing Efficient Conversion from Electricity to Light J. Photopolym. Sci. Tech. 29, 305-310 (2016)
    3. Suzuki, K.; Kubo, S.; Shizu, K.; Fukushima, T.; Wakamiya, A.; Murata, Y.; Adachi, C.; Kaji, H., Triarylboron-based Fluorescent Organic Light-emitting Diodes with External Quantum Efficiencies Exceeding 20% Angew. Chem. Int. Ed. 127, 15446-15450 (2015)
    4. Shizu, K.; Noda, H.; Tanaka, H.; Taneda, M.; Uejima, M.; Sato, T.; Tanaka, K.; Kaji, H.; Adachi, C., Highly Efficient Blue Electroluminescence Using Delayed-Fluorescence Emitters with Large Overlap Density between Luminescent and Ground states J. Phys. Chem. C 119, 26283-26289 (2015)
    5. Wada, Y.; Shizu, K.; Kubo, S.; Suzuki, K.; Tanaka, H.; Adachi, C.; Kaji, H., Highly efficient electroluminescence from a solution-processable thermally activated delayed fluorescence emitter Appl. Phys. Lett. 107, 183303 (2015)
    6. Kaji, H.; Suzuki, H.; Fukushima, T.; Shizu, K.; Suzuki, K.; Kubo, S.; Komino, T.; Oiwa, H.; Suzuki, F.; Wakamiya, A.; Murata, Y.; Adachi, C., Purely organic electroluminescent material realizing 100% conversion from electricity to light. Nat. Commun. 6, 9476 (2015)
    7. Shizu, K.; Lee, J.; Tanaka, H.; Nomura, H.; Yasuda, T.; Kaji, H.; Adachi, C., Highly efficient electroluminescence from purely organic donor–acceptor systems Pure Appl. Chem. 87, 627-638 (2015)
    8. Suzuki, F.; Shizu, K.; Kawaguchi, H.; Furukawa, S.; Sato, T.; Tanaka, K.; Kaji, H., Multiscale Simulation of Charge Transport in a Host Material, N,N’-Dicarbazole-3,5-benzene (mCP), for Organic Light-Emitting Diodes. J. Mater. Chem. C 3, 5549-5555 (2015)
    9. Shizu, K.; Sakai, Y.; Tanaka, H.; Hirata, S.; Adachi, C.; Kaji, H., Meta-linking Strategy for Thermally Activated Delayed Fluorescence Emitters with a Small Singlet-Triplet Energy Gap ITE Trans. on MTA 3, 108-113 (2015)
    10. Taneda, M.; Shizu, K.; Tanaka, H.; Adachi, C., High efficiency thermally activated delayed fluorescence based on 1,3,5-tris(4-(diphenylamino)phenyl)-2,4,6-tricyanobenzene. Chem. Commun. 51, 5028-5031 (2015)  [pubmed]
    11. Sagara, Y.; Shizu, K.; Tanaka, H.; Miyazaki, H.; Goushi, K.; Kaji, H.; Adachi, C., Highly Efficient Thermally Activated Delayed Fluorescence Emitters with a Small Singlet-Triplet Energy Gap and Large Oscillator Strength Chem. Lett. 44, 360-362 (2015)
    12. Tanaka, H.; Shizu, K.; Lee, J.; Adachi, C., Effect of Atom Substitution in Chalcogenodiazole-Containing Thermally Activated Delayed Fluorescence Emitters on Radiationless Transition J. Phys. Chem. C 119, 2948-2955 (2015)
    13. Shizu, K.; Uejima, M.; Nomura, H.; Sato, T.; Tanaka, K.; Kaji, H.; Adachi, C., Enhanced Electroluminescence from a Thermally Activated Delayed Fluorescence Emitter by Suppressing Non-radiative Decay Phys. Rev. Applied 3, 014001 (2015)
    14. Shizu, K.; Tanaka, H.; Uejima, M.; Sato, T.; Tanaka, K.; Kaji, H.; Adachi, C., A Strategy for Designing Electron Donors for Thermally Activated Delayed Fluorescence Emitters J. Phys. Chem. C 119, 1291-1297 (2015)
    15. Lee, J.; Shizu, K.; Tanaka, H.; Nakanotani, H.; Yasuda, T.; Kaji, H.; Adachi, C., Controlled Emission Colors and Singlet-Triplet Energy Gaps of Dihydrophenazine-Based Thermally Activated Delayed Fluorescence Emitters J. Mater. Chem. C 3, 2175-2181 (2015)
    16. Hirata, S.; Sakai, Y.; Masui, K.; Tanaka, H.; Lee, S. Y.; Nomura, H.; Nakamura, N.; Yasumatsu, M.; Nakanotani, H.; Zhang, Q.; Shizu, K.; Miyazaki, H.; Adachi, C., Highly Efficient Blue Electroluminescence Based on Thermally Activated Delayed Fluorescence Nat. Mater. 14, 330-336 (2015)  [pubmed]
    17. Shizu, K.; Tanaka, H.; Nakanotani, H.; Adachi, C., Dual Intramolecular Charge-Transfer Fluorescence Derived from a Phenothiazine-Triphenyltriazine Derivative J. Phys. Chem. C 118, 15985-15994 (2014)
    18. Takahashi, T.; Shizu, K.; Yasuda, T.; Togashi, K.; Adachi, C., Donor–Acceptor-Structured 1,4-Diazatriphenylene Derivatives Exhibiting Thermally Activated Delayed Fluorescence: Design and Synthesis, Photophysical Properties and OLED Characteristics. Sci. Tech. Adv. Mater. 15, 034202 (2014)
    19. Ohkuma, H.; Nakagawa, T.; Shizu, K.; Yasuda, T.; Adachi, C., Thermally Activated Delayed Fluorescence from a Spiro-diazafluorene Derivative Chem. Lett. 43, 1017-1019 (2014)
    20. Shizu, K.; Sato, T.; Tanaka, K., Inverse Relationship of Reorganization Energy to the Number of π Electrons from Perspective of Vibronic Coupling Density J. Comput. Chem., Jpn. 12, 215-221 (2013)
    21. Sato, K.; Shizu, K.; Yoshimura, K.; Kawada, A.; Miyazaki, H.; Adachi, C., Organic Luminescent Molecule with Energetically Equivalent Singlet and Triplet Excited States for Organic Light-Emitting Diodes. Phys. Rev. Lett. 110, 247401 (2013)  [pubmed]
    22. Tanaka, H.; Shizu, K.; Nakanotani, H.; Adachi, C., Twisted Intramolecular Charge Transfer State for Long-Wavelength Thermally Activated Delayed Fluorescence Chem. Mater. 25, 3766-3771 (2013)
    23. Lee, J.; Shizu, K.; Tanaka, H.; Nomura, H.; Yasuda, T.; Adachi, C., Oxadiazole- and Triazole-Based Highly-Efficient Thermally Activated Delayed Fluorescence Emitters for Organic Light-Emitting Diodes J. Mater. Chem. C 1, 4599-4604 (2013)
    24. Ishimatsu, R.; Matsunami, S.; Shizu, K.; Adachi, C.; Nakano, K.; Imato, T., Solvent Effect on Thermally Activated Delayed Fluorescence by 1,2,3,5-Tetrakis(carbazol-9-yl)-4,6-dicyanobenzene. J. Phys. Chem. A 117, 5607-5612 (2013)  [pubmed]
    25. Sato, T.; Uejima, M.; Iwahara, N.; Haruta, N.; Shizu, K.; Tanaka, K., Vibronic Coupling Density and Related Concepts J. Phys.: Conf. Ser. 428, 012010 (2013)
    26. Uoyama, H.; Goushi, K.; Shizu, K.; Nomura, H.; Adachi, C., Highly Efficient Organic Light-Emitting Diodes from Delayed Fluorescence Nature 492, 234-238 (2012)  [pubmed]
    27. Zhang, Q.; Li, J.; Shizu, K.; Huang, S.; Hirata, S.; Miyazaki, H.; Adachi, C., Design of Efficient Thermally Activated Delayed Fluorescence Materials for Pure Blue Organic Light Emitting Diodes. J. Am. Chem. Soc. 134, 14706-14709 (2012)  [pubmed]
    28. Tanaka, H.; Shizu, K.; Miyazaki, H.; Adachi, C., Efficient Green Thermally Activated Delayed Fluorescence (TADF) from a Phenoxazine-Triphenyltriazine (PXZ-TRZ) Derivative Chem. Commun. 48, 11392-11394 (2012)  [pubmed]
    29. Sato, T.; Shizu, K.; Tanaka, K.; Kaji, H., Theoretical Design for Carrier-Transporting Molecules in View of Vibronic Couplings J. Photon. Energy 2, 021201 (2012)
    30. Shizu, K.; Sato, T.; Tanaka, K., Vibronic Coupling Density Analysis for Free-Base Porphin Cation Chem. Phys. Lett. 505, 42-46 (2011)
    31. Shizu, K.; Sato, T.; Ito, A.; Tanaka, K.; Kaji, H., Theoretical Design of a Hole-Transporting Molecule: hexaaza[16]parabiphenylophane J. Mater. Chem. C 21, 6375-6382 (2011)
    32. Sato, T.; Shizu, K.; Uegaito, K.; Iwahara, N.; Tanaka, K.; Kaji, H., Vibronic Interactions in Hole-Transporting Molecules: An Interplay with Electron-Hole Interactions Chem. Phys. Lett. 507, 151-156 (2011)
    33. Shizu, K.; Sato, T.; Tanaka, K.; Kaji, H., Vibronic Coupling Density Analysis of Hole-Transporting Materials: Electron-Density Difference in DFT and HF Methods Org. Electron. 11, 1277-1287 (2010)
    34. Shizu, K.; Sato, T.; Tanaka, K.; Kaji, H., Electron-Vibration Interactions in Triphenylamine Cation: Why Are Triphenylamine-Based Molecules Good Hole-Transport Materials? Chem. Phys. Lett. 486, 130-136 (2010)
    35. Shizu, K.; Sato, T.; Tanaka, K.; Kaji, H., A Boron-Containing Molecule as an Efficient Electron-Transporting Material with Low-Power Consumption Appl. Phys. Lett. 97, 142111 (2010)
    36. Shizu, K.; Sato, T.; Tanaka, K., Reduced Vibronic Coupling Density and Its Application to Bis(ethylenedithio)tetrathiafulvalene (BEDT-TTF) Chem. Phys. Lett. 491, 65-71 (2010)
    37. Shizu, K.; Sato, T.; Tanaka, K., Inelastic electron tunneling spectra and vibronic coupling density analysis of 2,5-dimercapto-1,3,4-thiadiazole and tetrathiafulvalene dithiol. Nanoscale 2, 2186-94 (2010)  [pubmed]
    38. Shizu, K.; Sato, T.; Tanaka, K., Vibronic Coupling Density Analysis for α-oligothiophene Cations: A New Insight for Polaronic Defects Chem. Phys. 369, 108-121 (2010)
    39. Ito, A.; Yokoyama, Y.; Aihara, R.; Fukui, K.; Eguchi, S.; Shizu, K.; Sato, T.; Tanaka, K., Preparation and Characterization of N-Anisyl-Substituted Hexaaza[16]paracyclophane. Angew. Chem. Int. Ed. 49, 8205-8208 (2010)  [pubmed]
    40. Sato, T.; Shizu, K.; Kuga, T.; Tanaka, K.; Kaji, H., Electron-Vibration Interactions in Carrier-Transport Material: Vibronic Coupling Density Analysis in TPD Chem. Phys. Lett. 458, 152-156 (2008)


    Update: Jul 18,2017