2020

  1. N. Aizawa, Y. Harabuchi, S. Maeda, Y.-J. Pu
    "Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules"
    Nature Communications, in press.

  2. B. H. Drummond, G. C. Hoover, A. J. Gillett, N. Aizawa, W. K. Myers, B. T. McAllister, S. T. E. Jones, Y.-J. Pu, D. Credgington, D. S. Seferos
    "Selenium Substitution Enhances Reverse Intersystem Crossing in a Delayed Fluorescence Emitter"
    The Journal of Physical Chemistry C, 124, 6364-6370 (2020).

2019
  1. Y.-J. Pu, Y. Koyama, D. Otsuki, M. Kim, H. Chubachi, Y. Seino, K. Enomoto, N. Aizawa
    "Exciplex Emissions Derived from Exceptionally Long-Distanced Donor and Acceptor Molecules"
    Chemical Science, 10, 9203-9208 (2019).

  2. K. Enomoto, D. Inoue, Y.-J. Pu
    "Controllable 1D patterned assembly of colloidal quantum dots on PbSO4 nanoribbons"
    Advanced Functional Materials, 29, 1905175 (2019).

  3. Y.-J. Pu, R. Satake, Y. Koyama, T. Otomo, R. Hayashi, N. Haruta, H. Katagiri, D. Otsuki, D. Kim, T. Sato
    "Absence of delayed fluorescence and triplet-triplet annihilation in organic light emitting diodes with spatially orthogonal bianthracenes"
    Journal of Materials Chemistry C, 7, 2541 (2019).

  4. S. Ohisa, T. Takahashi, M. Igarashi, H. Fukuda, T. Hikichi, R. Komatsu, E. Ueki, Y.-J. Pu, T. Chiba, J. Kido
    "An Indolocarbazole-Based Thermally Activated Delayed Fluorescence Host for Solution- Processed Phosphorescent Tandem Organic Light-Emitting Devices Exhibiting Extremely Small Efficiency Roll-Off"
    Advanced Functional Materials, 29, 1808022 (2019).

  5. H. Sasabe, Y. Kato, Y. Watanabe, T. Ohsawa, Naoya Aizawa, W. Fujiwara, Y.-J. Pu, H. Katagiri, J. Kido
    "Room‐Temperature Phosphorescence from a Series of 3‐Pyridylcarbazole Derivatives"
    Chemistry A Europian Journal, 25, 16294 (2019).

2018
  1. T. Chiba, Y. Hayashi, H. Ebe, K. Hoshi, J. Sato, S. Sato, Y.-J. Pu, S. Ohisa, J. Kido
    "Anion-exchange red perovskite quantum dots with ammonium iodine salts for highly efficient light-emitting devices"
    Nature Photonics, 12, 681–687 (2018)

  2. S. Sato, S. Ohisa, Y. Hayashi, R. Sato, D. Yokoyama, T. Kato, M. Suzuki, T. Chiba, Y.‐J. Pu, J. Kido
    "Air-Stable and High-Performance Solution-Processed Organic Light-Emitting Devices Based on Hydrophobic Polymeric Ionic Liquid Carrier-Injection Layers"
    Advanced Materials, 30, 1705915 (2018).

  3. S. Ohisa, K. Endo, K. Kasuga, T. Chiba, Y.-J. Pu, J. Kido
    "Post-Treatment-Free Solution-Processed Reduced Phosphomolybdic Acid Containing Molybdenum Oxide Units for Efficient Hole-Injection Layers in Organic Light-Emitting Devices"
    Inorganic Chemistry, 57 (4), 1950-1957 (2018).

  4. S. Ohisa, T. Hikichi, Y.-J. Pu, T. Chiba, J. Kido
    "Two-Dimensional Ca2Nb3O10 Perovskite Nanosheets for Electron Injection Layers in Organic Light-Emitting Devices"
    ACS Applied Materials & Interfaces, 10 (33), 27885-27893 (2018).

  5. S. Ohisa, T. Kato, T. Takahashi, M. Suzuki, Y. Hayashi, T. Koganezawa, C. R. McNeill, T. Chiba, Y.-J. Pu, J. Kido
    "Conjugated Polyelectrolyte Blend with Polyethyleneimine Ethoxylated for Thickness-Insensitive Electron Injection Layers in Organic Light-Emitting Devices"
    ACS Applied Materials & Interfaces, 10 (20), 17318-17326 (2018).

  6. S. Ohisa, K. Kasuga, K. Endo, Y.-J. Pu, T. Chiba, J. Kido
    "Operation behaviors of interconnecting-layers in solution-processed tandem organic light-emitting devices"
    Organic Electronics, 63, 98-103 (2018).

  7. K. Umemoto, Y.-J. Pu, C. Yumusak, M. C. Scharber, M. S. White, N. S. Sariciftci, T. Yoshida, J. Matsui, H. Uji-i, A. Masuhara
    "Size control of CH3NH3PbBr3 perovskite cuboid fine crystals synthesized by ligand-free reprecipitation method"
    Microsystem Technologies, 24 (1), 619-623 (2018).

2017
  1. S. Ohisa, T. Karasawa, Y. Watanabe, T. Ohsawa, Y.-J. Pu, T. Koganezawa, H. Sasabe, J. Kido
    "A Series of Lithium Pyridyl Phenolate. Complexes with a Pendant Pyridyl Group for Electron-Injection Layers in Organic Light-Emitting Devices"
    ACS Applied Materials & Interfaces, 9 (46), 40541-40548 (2017).

  2. S. Tohru, R. Hayashi, N. Haruta, Y.-J. Pu
    "Fluorescence via Reverse Intersystem Crossing from Higher Triplet States in a Bisanthracene Derivative"
    Scientific Reports, 7, 4820 (2017).

  3. T. Chiba, Y.-J. Pu, T. Ide, S. Ohisa, H. Fukuda, T. Hikichi, D. Takashima, T. Takahashi, S. Kawata, J. Kido "Addition of Lithium 8-Quinolate into Polyethylenimine Electron-Injection Layer in OLEDs: Not Only Reducing Driving Voltage but Also Improving Device Lifetime"
    ACS Applied Materials & Interfaces, 9 (21), 18113-18119 (2017).

  4. H. Minaki, S. Kawata, J. Furudate, A. Saito, H. Katagiri, Y.-J. Pu
    "Donor- or Acceptor-Type 9,9'-Bifluorenylidene Derivatives for Attaining Singlet Fission Character in Organic Photovoltaics"
    Chemistry Letters, 46, 1126-1129 (2017).

  5. T. Chiba, K. Hoshi, Y.-J. Pu, Y. Takeda, Y. Hayashi, S. Ohisa, S. Kawata, J. Kido
    "High Efficiency Perovskite Quantum-Dot Light-Emitting Devices by Effective Washing Process and Interfacial Energy Level Alignment"
    ACS Applied Materials & Interfaces, 9 (21), 18054-18060 (2017).

  6. S. Kawata, J. Furudate, T. Kimura, H. Minaki, A. Saito, H, Katagiri, Y.-J. Pu
    "Controlling the Excited-State Energy Levels of 9,9'-Bifluorenylidene Derivatives by Twisting their Structure for Attaining Singlet Fission Character in Organic Photovoltaics"
    Journal of Materials Chemistry C, 5, 4909-4914 (2017).

  7. M. J. Sung, H. Chubachi, R. Sato, M.-K. Shin, S.-K. Kwon, Y.-J. Pu, Y.-H. Kim
    "Dimethylsilyl-linked Anthracene-Pyrene Dimers and Their Efficient Triplet-Triplet Annihilation in Organic Light Emitting Diodes"
    Journal of Materials Chemistry C, 5, 1090-1094 (2017).

  8. S. Ohisa, Y.-J. Pu, N. L. Yamada, G. Matsuba, J. Kido
    "Influence of Solution- and Thermal-annealing Processes on the Sub-nanometer-ordered Organic–Organic Interface Structure of Organic Light-Emitting Devices"
    Nanoscale, 9 (1), 25-30 (2017).

  9. S. Ohisa, Y.-J. Pu, S. Takahashi, T. Chiba, J. Kido
    "Inhibition of solution-processed 1,4,5,8,9,11-hexaazatriphenylene-hexacarbonitrile crystallization by mixing additives for hole injection layers in organic light-emitting devices"
    Polymer Journal, 49, 149-154 (2017).

  10. S. Ohisa, T. Hikichi, Yong-Jin Pu, T. Kato, T. Takahashi, T. Chiba, J. Kido
    "Surface-Modified Zinc Oxide Nanoparticles for Electron Injection Layers in Organic Light-Emitting Devices"
    Journal of Photopolymer Science and Technology, 30, 483-488 (2017).

2016
  1. S. Kawata, Y.-J. Pu, A. Saito, Y. Kurashige, T. Beppu, H. Katagiri, M. Hada, J. Kido
    "Singlet Fission of Non-polycyclic Aromatic Molecules in Organic Photovoltaics"
    Journal of Materials Chemistry C, 28 (8), 1585-1590 (2016).

  2. Y. Seino, S. Inomata, H. Sasabe, Y.-J. Pu, J. Kido
    "High performance Green Organic LEDs Using Thermally Activated Delayed Fluorescence with Power Efficiency of 100 lm/W"
    Advanced Materials, 28 (13), 2638-2643 (2016).

  3. S. Ohisa, S. Kagami, Y.-J. Pu, T. Chiba, J. Kido
    "A Solution-Processed Heteropoly Acid Containing MoO3 Units as a Hole-Injection Material for Highly Stable Organic Light-Emitting Devices"
    ACS Applied Materials & Interfaces, 8 (32), 20946-20954 (2016).

  4. T. Chiba, Y.-J. Pu, J. Kido
    "Organic Light-Emitting Devices with Tandem Structure"
    Topics in Current Chemistry, 374 (3), 1-17 (2016).

  5. S. Ohisa, Y.-J. Pu, J. Kido
    "Poly(pyridinium iodide ionic liquid)-based Electron Injection Layer for Solution-processed Organic Light-emitting Devices"
    Journal of Materials Chemistry C, 4 (28), 6713-6719 (2016).

  6. T. Chiba, A. Fukada, M. Igarashi, T. Hikichi, S. Ohisa, Y.-J. Pu, J. Kido
    "A solution-processable small-molecule host for phosphorescent organic light-emitting devices"
    Journal of Photopolymer Science and Technology, 29 (2), 317-321 (2016).

2015
  1. T. Chiba, Y.-J. Pu, J. Kido
    "Solution-Processed White Phosphorescent Tandem Organic Light-Emitting Devices"
    Advanced Materials, 27 (32), 4681-4687 (2015).

  2. Y.-J. Pu, T. Chiba, K. Ideta, S. Takahashi, N. Aizawa, T. Hikichi, J. Kido
    "Fabrication of organic light-emitting devices comprising stacked light-emitting units by solution-based processes"
    Advanced Materials, 27 (8), 1327-1332 (2015).

  3. Y.-J. Pu, N. Morishita, T. Chiba, S. Ohisa, M. Igarashi, A. Masuhara, J. Kido
    "Efficient Electron Injection by Size- and Shape-Controlled Zinc Oxide Nanoparticles in Organic Light Emitting Devices"
    ACS Applied Materials & Interfaces, 7 (45), 25373-25377 (2015).

  4. S. Ohisa, Y.-J. Pu, N. L. Yamada, G. Matsuba, J. Kido
    "Molecular Interdiffusion between Stacked Layers by Solution- and Thermal Annealing-Process in Organic Light Emitting Devices"
    ACS Applied Materials & Interfaces, 7 (37), 20779-20785 (2015).

  5. T. Chiba, Y.-J. Pu, J. Kido
    "Solution-Processable Electron Injection Materials for Organic Light-Emitting Devices"
    Journal of Materials Chemistry C, 3 (44), 11567-11576 (2015).

  6. T. Beppu, K. Tomiguchi, A. Masuhara, Y.-J. Pu, H. Katagiri
    "Single Benzene Green Fluorophore: Solid-State Emissive, Water- Soluble, and Solvent and pH Independent Fluorescence with Large Stokes Shifts"
    Angewandte Chemie International Edition, 54 (25), 7332-7335 (2015).

  7. Y. Watanabe, H. Sasabe, D. Yokoyama, T. Beppu, H. Katagiri, Y.-J. Pu, J. Kido
    "Simultaneous Manipulation of Intramolecular and Intermolecular Hydrogen Bonds in n-Type Organic Semiconductor Layers: Realization of Horizontal Orientation in OLEDs"
    Advanced Optical Materials, 3 (6), 769-773 (2015).

  8. R. Komatsu, H. Sasabe, S. Inomata, Y.-J. Pu, J. Kido
    "High efficiency solution processed OLEDs using a thermally activated delayed fluorescence emitter"
    Synthetic Metals, 202, 165-168 (2015).

  9. C.-H. Jun, S. Ohisa, Y.-J. Pu, T. Chiba, J. Kido
    "Comparison of spin and blade coating methods in solution-process for organic light-emitting devices"
    Journal of Photopolymer Science and Technology, 28 (3), 343-347 (2015).

2014
  1. N. Aizawa, Y.-J. Pu, M. Watanabe, T. Chiba, K. Ideta, N. Toyota, M. Igarashi, Y. Suzuri, H. Sasabe, J Kido
    "Solution-processed multilayer small-molecule light-emitting devices with high-efficiency white-light emission"
    Nature Communications, 5, 5756 (2014).

  2. N. Aizawa, Y.-J. Pu, T. Chiba, S. Kawata, H. Sasabe, J. Kido
    "Instant Low-Temperature Cross-Linking of Poly(N-vinylcarbazole) for Solution-Processed Multilayer Blue Phosphorescent Organic Light-Emitting Devices"
    Advanced Materials, 26 (45), 7543-7546 (2014).

  3. T. Chiba, Y.-J. Pu, S. Takahashi, H. Sasabe, J. Kido
    "Lithium phenolate complexes with pyridine-containing polymer for solution-processable electron injection layers in PLEDs"
    Advanced Functional Materials, 24 (38), 6038-6045 (2014).

  4. J.-Y. Hu, Y.-J. Pu, F. Satoh, S. Kawata, H. Katagiri, H. Sasabe, J. Kido
    "Bisanthracene-Based Donor-Acceptor type Light-Emitting Dopants: Highly Efficient Deep-Blue Emission in Organic Light-Emitting Devices"
    Advanced Functional Materials, 24 (14), 2064-2071 (2014).

  5. S. Kawata Y.-J. Pu, C. Ohashi, K. Nakayama, Z. Hong, J. Kido
    "Morphology control layer of a pyrene dimer enhances the efficiency in small molecule organic photovoltaic cells"
    Journal of Materials Chemistry C, 2 (3), 501-509 (2014).

  6. S. Ohisa, G. Matsuba, N. L. Yamada, Y.-J. Pu, H. Sasabe, J. Kido
    "Precise Evaluation of Angstrom-Ordered Mixed Interfaces in Solution-Processed OLEDs by Neutron Reflectometry"
    Advanced Materials Interfaces, 1 (9), 1400097 (2014).

  7. S. Ohisa, N. Takahashi, Y.-J. Pu, J. Kido
    "Fabrication of Light Scattering Structure by Self-organization of a Polymer: Application to Light Out-coupling Enhancement in OLEDs"
    Journal of Photopolymer Science and Technology, 27 (3), 363-367 (2014).

  8. C.-H. Jun, Y.-J. Pu, M. Igarashi, T. Chiba, H. Sasabe, J. Kido
    "A donor-acceptor type host material for solution-processed phosphorescent organic light emitting devices showing high efficiency"
    Chemistry Letters, 43 (12), 1935-1936 (2014).

  9. Y. Seino, H. Sasabe, Y.-J. Pu, J. Kido
    "High Performance Blue Phosphorescent OLED Using Energy Transfer from Exciplex"
    Advanced Materials, 26 (10), 1612-1616 (2014).

  10. T. Beppu, S. Kawata, N. Aizawa, Y.-J. Pu, Y. Abe, Y. Ohba, H. Katagiri
    "2,6-Bis(arylsulfonyl)anilines as Fluorescent Scaffolds through Intramolecular Hydrogen Bonds: Solid-State Fluorescence Materials and Turn-On-Type Probes Based on Aggregation-Induced Emission"
    ChemPlusChem, 79 (4), 536-545 (2014).

2013
  1. J.-Y. Hu, Y.-J. Pu, Y. Yamashita, F. Satoh, S. Kawata, H. Katagiri, H. Sasabe, J. Kido
    "Excimer-Emitting Single Molecules with Stacked π-Conjugated Groups Covalently Linked at the 1,8-Positions of Naphalene for Highly Efficient Blue and Green OLEDs"
    Journal of Materials Chemistry C, 1 (24), 3871-3878 (2013).

  2. H. Sasabe, H. Nakanishi, Y. Watanabe, S. Yano, M. Hirasawa, Y.-J. Pu, J. Kido
    "Extremely Low Operating Voltage Green Phosphorescent Organic Light-Emitting Devices showing 5000 cd m–2 below 3 V"
    Advanced Functional Materials, 23 (44), 5550-5555 (2013).

  3. N. Aizawa, Y.-J. Pu, H. Sasabe, J. Kido
    "Thermally Cross-Linkable Host Materials for Enabling Solution-Processed Multilayer Stacks in Organic Light-Emitting Devices"
    Organic Electronics, 14 (6), 1614-1620 (2013).

  4. T. Sato, H. Awano, H. Katagiri, Y.-J. Pu, T. Takahashi, K. Yonetake
    "Orientation and Polarized Optical Emission Properties of Platinum(II) Complexes in Smectic Liquid Crystals"
    European Journal of Inorganic Chemistry, 2013 (12), 2212-2219 (2013).

  5. Y.-J. Pu, T. Chiba, N. Aizawa, H. Sasabe, J. Kido
    "Multilayered Organic Light-Emitting Devices by Solution-Process"
    Journal of Photopolymer Science and Technology, 26 (3), 403-410 (2013).

2012以前
  1. T. Chiba, Y.-J. Pu, M. Hirasawa, A. Masuhara, H. Sasabe, J. Kido
    "Solution-Processed Inorganic-Organic Hybrid Electron Injection Layer for Polymer Light-Emitting Devices"
    ACS Applied Materials & Interfaces, 4 (11), 6104-6108 (2012).

  2. T. Chiba, Y.-J. Pu, H. Sasabe, J. Kido, Y. Yang
    "Solution-processed organic light-emitting devices with two polymer light-emitting units connected in series by a charge-generation layer"
    Journal of Materials Chemistry, 22 (42), 22769-22773 (2012).

  3. H. Sasabe, K. Minamoto, Y.-J. Pu, M. Hirasawa, J. Kido
    "Ultra High-Efficiency Multi-Photon Emission Blue Phosphorescent OLEDs with External Quantum Efficiency Exceeding 40%"
    Organic Electronics, 13 (11), 2615-2619 (2012).

  4. J.-Y. Hu, Y.-J. Pu, G. Nakata, S. Kawata, H. Sasabe, J. Kido
    "A single-molecule excimer-emitting compound for highly efficient fluorescent organic light-emitting devices"
    Chemical Communications, 48 (67), 8434-8436 (2012).

  5. T. Sato, H. Awano, O. Haba, H. Katagiri, Y.-J. Pu, T. Takahashi, K. Yonetake
    "Synthesis, characterization, and polarized luminescence properties of platinum(II) complexes having a rod-like ligand"
    Dalton Transactions, 41 (27), 8379-8389 (2012).

  6. N. Aizawa, Y.-J. Pu, H. Sasabe, J. Kido
    "Solution-processable carbazole-based host materials for phosphorescent organic light-emitting devices"
    Organic Electronics, 13 (11), 2235-2242 (2012).

  7. T. D. Nguyen, T. P. Basel, Y.-J. Pu, X.-G. Li, E. Ehrenfreund, Z. V. Vardeny
    "Isotope effect in the spin response of aluminum tris(8-hydroxyquinoline) based devices"
    Physical Review B, 85 (24), 245437 (2012).

  8. H. Sasabe, N. Toyota, H. Nakanishi, T. Ishizaka, Y.-J. Pu, J. Kido
    "3, 3′-Bicarbazole-Based Host Materials for High-Efficiency Blue Phosphorescent OLEDs with Extremely Low Driving Voltage"
    Advanced Materials, 24 (24), 3212-3217 (2012).

  9. Y.-J. Pu, G. Nakata, F. Satoh, H. Sasabe, D. Yokoyama, J. Kido
    "Optimizing the charge balance of fluorescent organic light-emitting devices to achieve high external quantum efficiency beyond the conventional upper limit"
    Advanced Materials, 24 (13), 1765-1770 (2012).

  10. K. Yamamoto, H. Katagiri, H. Tairabune, Y. Yamaguchi, Y.-J. Pu, K. Nakayama, Y. Ohba
    "Synthesis and properties of naphthobisbenzo[b]thiophenes: structural curvature of higher acene frameworks for solubility enhancement and high-order orientation in crystalline states"
    Tetrahedron Letters, 53 (14), 1786-1789 (2012).

  11. D. Yokoyama, Z. Q. Wang, Y.-J. Pu, K. Kobayashi, J. Kido, and Z. R. Hong
    "High-efficiency simple planar heterojunction organic thin-film photovoltaics with horizontally oriented amorphous donors"
    Solar Energy Materials and Solar Cells, 98, 472-475 (2012).

  12. S. Inayama, N. Takahashi, Y.-J. Pu, T. Chiba, H. Sasabe, J. Kido
    "Syntheses of Solution-Processable Arylamine Derivatives and Their Application to Organic Light Emitting Devices"
    Journal of Photopolymer Science and Technology, 25 (3), 335-339 (2012).

  13. D. Yokoyama, Y. Park, B. Kim, S. Kim, Y.-J. Pu, J. Kido, J. Park
    "Dual efficiency enhancement by delayed fluorescence and dipole orientation in high-efficiency fluorescent organic light-emitting diodes"
    Applied Physics Letters, 99 (12), 123303 (2011).

  14. Y.-J. Pu, N. Iguchi, N. Aizawa, H. Sasabe, K. Nakayama, J. Kido
    "fac-Tris(2-phenylpyridine)iridium (III)s, covalently surrounded by six bulky host dendrons, for a highly efficient solution-processed organic light emitting device"
    Organic Electronics, 12 (12), 2103-2110 (2011).

  15. K. Nakayama, Y.-J. Pu, J. Kido
    "Surface-light-emitting transistors based on vertical-type metal-base organic transistors"
    Journal of the Society for Information Display, 19 (9), 602-607 (2011).

  16. J.-J. Oh, Y.-J. Pu, H. Sasabe, K. Nakayama, J. Kido
    "9,10-Bis(bipyridyl, pyridylphenyl, phenylpyridyl, and biphenyl)anthracenes combining high electron- transport and injection, efficiency, and stability in fluorescent organic light emitting devices"
    Chemistry Letters, 40 (10), 1092-1094 (2011).

  17. H. Sasabe, M. Ishiba, Y.-J. Pu, J. Kido
    "Alkoxyphenyl group-containing starburst host materials for efficient blue and green organic light-emitting devices"
    IEICE Transactions on Electronics, E94-C (12), 1848-1850 (2011).

  18. C. Cai, S.-J. Su, T. Chiba, H. Sasabe, Y.-J. Pu, K. Nakayama, J. Kido
    "Efficient Low-Driving-Voltage Blue Phosphorescent Homojunction Organic Light-Emitting Devices"
    Japanese Journal of Applied Physics, 50 (4R), 40204 (2011).

  19. T. Chiba, Y.-J. Pu, R. Miyazaki, K. Nakayama, H. Sasabe, J. Kido
    "Ultra-high efficiency by multiple emission from stacked organic light-emitting devices"
    Organic Electronics, 12 (4), 710-715 (2011).

  20. C. Cai, S.-J. Su, T. Chiba, H. Sasabe, Y.-J. Pu, K. Nakayama, J. Kido
    "High-efficiency red, green and blue phosphorescent homojunction organic light-emitting diodes based on bipolar host materials"
    Organic Electronics, 12 (5), 843-850 (2011).

  21. T. Chiba, K. Nakayama, Y.-J. Pu, T. Nishina, M. Yokoyama, J. Kido
    "Hole mobility measurement of 4, 4’-bis[N-(1-naphthyl)-N-phenylamino]biphenyl by dark injection method"
    Chemical Physics Letters, 502 (1-3), 118-120 (2011).

  22. H. Sasabe, D. Tanaka, D. Yokoyama, T. Chiba, Y.-J. Pu, K. Nakayama, M. Yokoyama, J. Kido
    "Influence of Substituted Pyridine Rings on Physical Properties and Electron Mobilities of 2-Methylpyrimidine Skeleton-Based Electron Transporters"
    Advanced Functional Materials, 21 (2), 336-342 (2011).

  23. S.-J. Su, H. Sasabe, Y.-J. Pu, K. Nakayama, J. Kido
    "Tuning Energy Levels of Electron-Transport Materials by Nitrogen Orientation for Electrophosphorescent Devices with an Ideal Operating Voltage"
    Advanced Materials, 22 (30), 3311-3316 (2010).

  24. T. Oyama, Y.-J. Pu, H. Sasabe, K. Nakayama, J. Kido
    "Electron-Transporting Materials Containing Pyridylphenyl groups and Their Application to Organic Light-Emitting Devices"
    Journal of Photopolymer Science and Technology, 23 (3), 333-336 (2010).

  25. K. Noine, Y.-J. Pu, K. Nakayama, J. Kido
    "Bifluorene compounds containing carbazole and/or diphenylamine groups and their bipolar charge transport properties in organic light emitting devices"
    Organic Electronics, 11 (5), 717-723 (2010).

  26. Y.-J. Pu, A. Kamiya, K. Nakayama, J. Kido
    "Arylamino-9,10-diphenylanthracenes for organic light emitting devices"
    Organic Electronics, 11 (3), 479-485 (2010).

  27. Y.-J. Li, H. Sasabe, S.-J. Su, D. Tanaka, T. Takeda, Y.-J. Pu, J. Kido
    "Highly Efficient Green Phosphorescent OLED Based on Pyridine-containing Starburst Electron-transporting Materials"
    Chemistry Letters, 39 (2), 140-141(2010).

  28. F. Suzuki, K. Nakayama, Y.-J. Pu, M. Yokoyama, J. Kido
    "LiF/Al Base Electrodes in Vertical Metal-Base Organic Transistors for Heat-Treatment-Free Process"
    Japanese Journal of Applied Physics, 49 (3R), 30202 (2010).

  29. K. Nakayama, Y. Hashimoto, H. Sasabe, Y.-J. Pu, M. Yokoyama, J. Kido "Electron injection and transport properties of phenazine compounds with fused rings"
    Japanese Journal of Applied Physics, 49 (1S), 01AB11-01AB11-3 (2010).

  30. Y.-J. Pu, M. Yoshizaki, T. Akiniwa, K. Nakayama, J. Kido
    "Dipyrenylpyridines for electron transporting materials in organic light emitting devices and their structural effect on electron injection from LiF / Al cathode"
    Organic Electronics, 10 (5), 877-882 (2009).

  31. H. Sasabe, Y.-J. Pu, K. Nakayama, J. Kido
    "m-Terphenyl-modified carbazole host material for highly efficient blue and green PHOLEDs"
    Chemical Communications, 2009 (43), 6655-6657 (2009).

  32. N. Iguchi, Y.-J. Pu, K. Nakayama, M. Yokoyama, J. Kido
    "Synthesis, photoluminescence and electroluminescence properties of iridium complexes with bulky carbazole dendrons"
    Organic Electronics, 10 (3), 465-472 (2009).

  33. Y.-J. Pu, M. Miyamoto, K. Nakayama, T. Oyama, M. Yokoyama, J. Kido
    "Lithium Phenolate Complexes for an Electron Injection Layer in Organic Light-Emitting Diodes"
    Organic Electronics, 10 (2), 228-232 (2009).

  34. J.-J. Oh, Y.-J. Pu, K. Nakayama, J. Kido
    "Highly efficient organic light-emitting devices based on a new yellow fluorescent dopant"
    Journal of Photopolymer Science and Technology, 22 (4), 521-523 (2009).

  35. Y.-J. Li, H. Sasabe, S.-J. Su, D. Tanaka, T. Takeda, Y.-J. Pu, J. Kido
    "Phenanthroline Derivatives for Electron-transport Layer in Organic Light-emitting Devices"
    Chemistry Letters, 38 (7), 712-713 (2009).

  36. F. Suzuki, K. Nakayama, Y.-J. Pu, J. Kido
    "Current Enhancement in the Vertical-Type Metal-Base Organic Transistors"
    Molecular Crystals and Liquid Crystals, 504 (1), 133-139 (2009).

  37. T. Kusunoki, K. Nakayama, Y.-J. Pu, J. Kido
    "Mobility Improvement in n-type Organic FET with Hetero-Layered Structure"
    Molecular Crystals and Liquid Crystals, 504 (1), 124-132 (2009).

  38. Y.-J. Pu, M. Higashidate, K. Nakayama, J. Kido
    "Solution-processable organic fluorescent dyes for multicolor emission in organic light emitting diodes"
    Journal of Materials Chemistry, 18 (35), 4183-4188 (2008).

  39. K. Noine, S. Kimura, Y.-J. Pu, K. Nakayama, J. Kido
    "Red phosphorescent iridium complexes having a bulky ancillary ligand for solution-processed organic light emitting diodes"
    Journal of Photopolymer Science and Technology, 21 (2), 323-325 (2008).

  40. H. Sasabe, T. Chiba, S.-J. Su, Y.-J. Pu, K. Nakayama, J. Kido
    "2-Phenylpyrimidine skeleton-based electron-transport materials for extremely efficient green organic light-emitting devices"
    Chemical Communications, 2008 (44), 5821-5823 (2008).

  41. H. Sasabe, E. Gonmori, T. Chiba, Y.-J. Li, D. Tanaka, S.-J. Su, T. Takeda, Y.-J. Pu, K. Nakayama, J. Kido
    "Wide-Energy-Gap Electron-Transport Materials Containing 3,5-Dipyridylphenyl Moieties for an Ultra High Efficiency Blue Organic Light-Emitting Device"
    Chemistry of Materials, 20 (19), 5951-5953 (2008).

  42. Y. Ie, Y. Umemoto, M. Okabe, T. Kusunoki, K. Nakayama, Y.-J. Pu, J. Kido, H. Tada, Y. Aso
    "Electronegative oligothiophenes based on difluorodioxocyclopentene-annelated thiophenes: synthesis, properties, and n-type FET performances"
    Organic Letters, 10 (5), 833-836 (2008).

  43. Y.-J. Pu, R. E. Harding, S. G. Stevenson, E. B. Namdas, C. Tedeschi, J. P. J. Markham, R. J. Rummings, P. L. Burn, I. D. W. Samuel
    "Solution processable phosphorescent rhenium(I) dendrimers"
    Journal of Materials Chemistry, 17 (40), 4255-4264 (2007).

  44. T. Kurata, Y.-J. Pu, H. Nishide
    "Triarylamine-bearing poly(1,4-phenylenevinylene): Facile preparation and its durable aminium polyradical"
    Polymer Journal, 39 (7), 675-683 (2007).

  45. N. Iguchi, Y.-J. Pu, K. Nakayama, J. Kido
    "Electroluminescent properties of a solution processable carbazole-substituted Iridium(III) complex"
    Journal of Photopolymer Science and Technology, 20 (1), 73-75 (2007).

  46. T. Suga, Y.-J. Pu, S. Kasatori, H. Nishide
    "Cathode- and anode-active poly(nitroxylstyrene)s for rechargeable batteries: p- and n-type redox switching via substituent effects"
    Macromolecules, 40 (9), 3167-3173 (2007).

  47. F. Liang, Y.-J. Pu, T. Kurata, J. Kido, H. Nishide
    "Synthesis and electroluminescent property of poly(p-phenylenevinylene)s bearing triarylamine pendants"
    Polymer, 46 (11), 3767-3775 (2005).

  48. T. Suga, Y.-J. Pu, K. Oyaizu, H. Nishide
    "Electron-transfer kinetics of nitroxide radicals as an electrode-active material"
    Bulletin of The Chemical Society of Japan, 77 (12), 2203-2204 (2004).

  49. H. Nishide, S. Iwasa, Y.-J. Pu, T. Suga, K. Nakahara, M. Satoh
    "Organic radical battery: nitroxide polymers as a cathode-active material"
    Electrochimica Acta, 50 (2-3), 827-831 (2004).

  50. Y.-J. Pu, T. Kurata, M. Soma, J. Kido, H. Nishide
    "Triphenylamine- and oxadiazole-substituted poly(1, 4-phenylenevinylene)s: Synthesis, photo-, and electroluminescent properties"
    Synthetic Metals, 143 (2), 207-214 (2004).

  51. T. Kurata, Y.-J. Pu, J. Kido, H. Nishide
    "Charge-transporting property of polymer films doped with organic stable radicals"
    Journal of Photopolymer Science and Technology, 16 (2), 297-298 (2003).

  52. Y.-J. Pu, M. Soma, J. Kido, H. Nishide
    "Electroluminescent properties of a triphenylamine-containing poly(phenylenevinylene)"
    Journal of Photopolymer Science and Technology, 15 (2), 259-260 (2002).

  53. Y.-J. Pu, M. Soma, S. Shirai, J. Kido, H. Nishide
    "Electroluminescence of poly(phenylenevinylene)s containing triphenylamine derivatives in the main chains"
    Japanese Journal of Applied Physics, 41 (1), 362-365 (2002).

  54. Y.-J. Pu, M. Soma, J. Kido, H. Nishide
    "A novel triphenylamine-substituted poly(p-phenylenevinylene): improved photo- and electro-luminescent properties"
    Chemistry of Materials, 13 (11), 3817-3819 (2001).

  55. Y.-J. Pu, M. Soma, E. Tsuchida, H. Nishide
    "Synthesis, magnetic, optoelectronic properties of poly(tripheneylamine-alt-phenylenevinylene)s"
    Journal of Polymer Science: Part A: Polymer Chemistry, 38 (22), 4119-4127 (2000).

  56. H. Nishide, M. Takahashi, J. Takashima, Y.-J. Pu, E. Tsuchida
    "Acyclic and cyclic di- and tri(4-oxyphenyl-1, 2-phenyleneethynylene)s: their synthesis and ferromagnetic spin interaction"
    Journal of Organic Chemistry, 64 (20), 7375-7380 (1999).

  57. Y.-J. Pu, M. Takahashi, E. Tsuchida, H. Nishide
    "High-spin oxyphenylbenzo-annelated dehydro[12]annulene"
    Chemistry Letters, 28 (2), 161-162 (1999).

  58. Y.-J. Pu, M. Takahashi, E. Tsuchida, H. Nishide
    "Phenoxyl radicals ferromagnetically attached to a cyclic p-conjugation: 2, 8, 14-trisoxyphenyltribenzotrisdehydro[12]annulene"
    Molecular Crystals and Liquid Crystals, 334 (1), 1-10 (1999).