2023
- Y.-J. Pu, D. Valverde, J.-C. Sancho-García, Y. Olivier
"Computational Design of Multiple Resonance–Type BN Molecules for Inverted Singlet and Triplet Excited States"
Journal of Physical Chemistry A, 127, 10189−10196 (2023). - T. Gao, J. Liu, G. Liu, Y. Qin, S. Shen, H. Gao, X. Dong, P. Wang, Y.-J. Pu, Y. Wang
"Multiple charge-transfer excited state induced efficient and stable thermally activated delayed fluorescence"
Journal of Materials Chemistry C, 11, 4210-4218 (2023).
- N. Aizawa, Y.-J. Pu, Y. Harabuchi, A. Nihonyanagi, R. Ibuka, H. Inuzuka, B. Dhara, Y. Koyama, K. Nakayama, S. Maeda, F. Araoka, D. Miyajima
"Delayed fluorescence from inverted singlet and triplet excited states"
Nature, 609, 502-506 (2022). Featured in News & Views, Nature, 2022, 609, 473-475; ACS C&EN, Sep 19, 2022, 7.; ACS C&EN, Dec 19, 2022, 33. - G. Liu, Z. Li, X. Hu, Y. Qin, C.-S. Lee, D. Chen, L. Wang, J. Liu, P. Wang, Y.-J. Pu, Y. Wang
"Efficient and stable one-micrometre-thick organic light-emitting diodes"
Nature Photonics, 16, 876-883 (2022). - K. Enomoto, K. Takeda, N. Iwata, K. Adachi, T. Kikitsu, Y. Ishida, D. Hashizume, M. Tanaka, H. Kawakami, Y.-J. Pu
"Colloidal CdS Quantum Dot Fibers Prepared by Electrospinning of Their Wet Gel for Quantum Nanowires"
ACS Applied Nano Materials, 5, 3756-3762 (2022). - J.-W. Qiao, Z.-H. Chen, H.-Y. Liu, X.-Y. Li, J.-J. Guo, C.-C. Qin, X. Wang, Y.-J. Pu, X.-T. Hao
"Surface Energetics Mediated Charge Transfer and Exciton Transfer in Cation-Adsorbed Rubrene/PbS Nanocrystal Hybrids"
Journal of Physics: Energy, 4, 44013 (2022). - S. Kim, S. Kang, S. Baek, J. Song, N.-E. Mun, H. Kwon, H.-G. Kwon, Y.-J. Pu, T.-W. Lee, S. Yoo, J.-M. Oh, J. Park, S.-W. Kim
"Highly thin film with aerosol-deposited perovskite quantum dot/metal oxide composite for perfect color conversion and luminance enhancement"
Chemical Engineering Journal, 441, 135991 (2022). - H. Kwon, S. Park, S. Kang, S. Park, Y.-J. Pu, J. Park
"Three-Color White Electroluminescence Emission Using Perovskite Quantum Dots and Organic Emitters"
Applied Surface Science, 588, 152875 (2022). - H. Nishimura, K. Enomoto, Y.-J. Pu, D. Kim
"Hydrothermal synthesis of water-soluble Mn- and Cu-doped CdSe quantum dots with multi-shell structures and their photoluminescence properties"
RSC Advances, 12, 6255-6244 (2022). - X. Hu, N. Aizawa, M. Kim, M. Huang, Z. Li, G. Liu, H. Gao, T. Gao, X. Dong, Y. Zhang, J. Liu, P. Wang, Y. Yi, Y.-J. Pu, Y. Wang
"Dual-Acceptor Thermally Activated Delayed Fluorescence Emitters: Achieving High Efficiency and Long Lifetime in Orange-Red OLEDs"
Chemical Engineering Journal, 434, 134728 (2022).
- K. Enomoto, R. Oizumi, N. Aizawa, T. Chiba, Y.-J. Pu
"Energy Transfer from Blue-Emitting CsPbBr3 Perovskite Nanocrystals to Green-Emitting CsPbBr3 Perovskite Nanocrystals"
The Journal of Physical Chemistry C, 125, 19368-19373 (2021). - J. Liu, K. Enomoto, K. Takeda, D. Inoue, Y.-J. Pu
"Simple Cubic Self-Assembly of PbS Quantum Dots by Finely Controlled Ligand Removal through Gel Permeation Chromatography"
Chemical Science, 12, 10354-10361 (2021). - B. Drummond, N. Aizawa, Y. Zhang, W. Myers, Y. Xiong, M. Cooper, S. Barlow, Q. Gu, L. Weiss, A. Gillett, D. Credgington, Y.-J. Pu, S. Marder, E. Evans
"Electron spin resonance resolves intermediate triplet states in delayed fluorescence"
Nature Communications, 12, 4532 (2021). - M. Kim, S. U. Ryu, S. A. Park, Y.-J. Pu, T. Park
"Designs and Understanding of Small Molecule-based Non- fullerene Acceptors for Realizing Commercially Viable Organic Photovoltaics"
Chemical Science, 12, 14004-14023 (2021). - S. Lim, G. Lee, S. Han, J. Kim, S. Yun, J. Lim, Y.-J. Pu, M. J. Ko, T. Park, J. Choi, Y. Kim
"Monodisperse Perovskite Colloidal Quantum Dots Enables High-Efficiency Photovoltaics"
ACS Energy Letters, 6, 2229-2237 (2021). - M. Kim, Y. Choi, D. H. Lee, J. Min, Y.-J. Pu, T. Park
"Roles and Impacts of Ancillary Materials for Multi-Component Blend Organic Photovoltaics towards High Efficiency and Stability"
ChemSusChem, 14, 3475-3487 (2021). - S. Kang, S. Park, S. Park, H. Kwon, J. Lee, K.-H. Hong, Y.-J. Pu, J. Park
"Achieving green and deep-blue perovskite LEDs by dimensional control using various ammonium bromides with CsPbBr3"
Materials Today Energy, 21, 100749 (2021). - S. Kang, H. Kwon, Y.-J. Pu, J. Park
"High-efficiency deep-blue emitter consisting of a chrysene core and optimized side groups"
Materials Today Energy, 21, 100706 (2021).
- T. Lee, K. Enomoto, K. Ohshiro, D. Inoue, T. Kikitsu, H.-D. Kim, Y.-J. Pu, D. Kim
"Controlling the Dimension of the Quantum Resonance in CdTe Quantum Dot Superlattices Fabricated via Layer-by-Layer Assembly"
Nature Communications, 11, 5471 (2020). - N. Aizawa, Y. Harabuchi, S. Maeda, Y.-J. Pu
"Kinetic Prediction of Reverse Intersystem Crossing in Organic Donor–Acceptor Molecules"
Nature Communications, 11, 3909 (2020). - 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). - S. Kang, R. Jillella, J. Jeong, Y.-I. Park, Y.-J. Pu, J. Park
"Improved Electroluminescence Performance of Perovskite Light-Emitting Diodes by a New Hole Transporting Polymer Based on the Benzocarbazole Moiety"
ACS Applied Materials & Interfaces, 12 (46), 51756–51765 (2020).
- 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). - K. Enomoto, D. Inoue, Y.-J. Pu
"Controllable 1D patterned assembly of colloidal quantum dots on PbSO4 nanoribbons"
Advanced Functional Materials, 29, 1905175 (2019). - 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). - 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). - 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).
- 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) - 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). - 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). - 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). - 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). - 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). - 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).
- 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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).
- 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"
Advanced Materials, 28 (8), 1585-1590 (2016). - 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). - 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). - T. Chiba, Y.-J. Pu, J. Kido
"Organic Light-Emitting Devices with Tandem Structure"
Topics in Current Chemistry, 374 (3), 1-17 (2016). - 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). - 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).
- T. Chiba, Y.-J. Pu, J. Kido
"Solution-Processed White Phosphorescent Tandem Organic Light-Emitting Devices"
Advanced Materials, 27 (32), 4681-4687 (2015). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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).
- 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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).
- 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). - 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). - 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). - 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). - 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).
- 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - 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). - Y.-J. Pu, M. Takahashi, E. Tsuchida, H. Nishide
"High-spin oxyphenylbenzo-annelated dehydro[12]annulene"
Chemistry Letters, 28 (2), 161-162 (1999). - 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).