Y. W. Wang, X. F. Wang, J. P. Zhang, Z. Hong, J. Kido, O. Kitao, T. Ikeuchi, H. Tamiaki and S. Sasaki, Development of Solar Cells Based on Synthetic Near-Infrared Absorbing Purpurins 2: Use of Fullerene and Its Derivative as Electron Acceptors for Favorable Charge Separation, Journal of Physical Chemistry C, 116, 21244 (2012)

Y. J. Pu, G. Nakata, F. Satoh, H. Sasabe, D. Yokoyama and 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, 1765 (2012)

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

T. Chiba, Y. J. Pu, H. Sasabe, J. Kido and 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, 22769 (2012)

S. J. Su, C. Cai, J. Takamatsu and J. Kido, A Host Material with a Small Singlet-Triplet Exchange Energy for Phosphorescent Organic Light-Emitting Diodes: Guest, Host, and Exciplex Emission, Organic Electronics, 13, 1937 (2012)

S. J. Su, C. Cai and J. Kido, Three-Carbazole-Armed Host Materials with Various Cores for RGB Phosphorescent Organic Light-Emitting Diodes, Journal of Materials Chemistry, 22, 3447 (2012)

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

N. Aizawa, Y. J. Pu, H. Sasabe and J. Kido, Solution-Processable Carbazole-Based Host Materials for Phosphorescent Organic Light-Emitting Devices, Organic Electronics, 13, 2235 (2012)

M. Liu, S. J. Su, M. C. Jung, Y. B. Qi, W. M. Zhao and J. Kido, Hybrid Heterocycle-Containing Electron-Transport Materials Synthesized by Regioselective Suzuki Cross-Coupling Reactions for Highly Efficient Phosphorescent OLEDs with Unprecedented Low Operating Voltage, Chemistry of Materials, 24, 3817 (2012)

K. Nakayama, R. Akiba and J. Kido, High Current Amplification in p-Type Metal-Base Organic Transistors Using Pentacene Films, Applied Physics Express, 5, (2012)

J. Y. Hu, Y. J. Pu, G. Nakata, S. Kawata, H. Sasabe and J. Kido, A Single-Molecule Excimer-Emitting Compound for Highly Efficient Fluorescent Organic Light-Emitting Devices, Chemical Communications, 48, 8434 (2012)

H. Sasabe, Y. Seino, M. Kimura and J. Kido, A m-Terphenyl-Modifed Sulfone Derivative as a Host Material for High-Efficiency Blue and Green Phosphorescent OLEDs, Chemistry of Materials, 24, 1404 (2012)

H. Sasabe, N. Toyota, H. Nakanishi, T. Ishizaka, Y. J. Pu and J. Kido, 3,3 '-Bicarbazole-Based Host Materials for High-Efficiency Blue Phosphorescent OLEDs with Extremely Low Driving Voltage, Advanced Materials, 24, 3212 (2012)

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

G. Chen, H. Sasabe, Z. Q. Wang, X. F. Wang, Z. R. Hong, Y. Yang and J. Kido, Co-Evaporated Bulk Heterojunction Solar Cells with > 6.0% Efficiency, Advanced Materials, 24, 2768 (2012)

G. Chen, H. Sasabe, Z. Q. Wang, X. F. Wang, Z. R. Hong, J. Kido and Y. Yang, Solution-Processed Organic Photovoltaic Cells Based on a Squaraine Dye, Physical Chemistry Chemical Physics, 14, 14661 (2012)

G. Chen, D. Yokoyama, H. Sasabe, Z. R. Hong, Y. Yang and J. Kido, Optical and Electrical Properties of a Squaraine Dye in Photovoltaic Cells, Applied Physics Letters, 101, (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 (2012)

D. Yokoyama, K. Nakayama, T. Otani and J. Kido, Wide-Range Refractive Index Control of Organic Semiconductor Films Toward Advanced Optical Design of Organic Optoelectronic Devices, Advanced Materials, 24, 6368 (2012)

C. E. Small, S. W. Tsang, J. Kido, S. K. So and F. So, Origin of Enhanced Hole Injection in Inverted Organic Devices with Electron Accepting Interlayer, Advanced Functional Materials 22, 3261 (2012)