Fabrication and characterization of organic light-emitting diodes using biomolecular compounds and their related materials

2008 Fiscal Year Final Research Report

• Project/Area Number: 18350070
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Functional materials chemistry
• Research Institution: The University of Tokyo
• Principal Investigator: TAJIMA Hiroyuki The University of Tokyo, 物性研究所, 准教授 (60207032)
• Co-Investigator(Kenkyū-buntansha): MATSUDA Masaki 熊本大学, 大学院・自然科学研究科, 准教授 (80376649)
• Project Period (FY): 2006 – 2008
• Keywords: 有機発光ダイオード / 有機太陽電池 / スピン転移 / 巨大負磁気抵抗 / 有機スピントロニクス

Research Abstract

電界発光測定がこれまでほとんど行われていない生体関連物質を対象として、電界発光測定(および関連した研究)を行った。その結果、スピンクロスオーバー錯体に混入したクロロフィル a(チュ-インガム等に入っている植物由来の生体関連物質)の示す電界発光が、スピンクロスオーバー転移に伴って消失-出現する、新規なスイッチング現象を見出した。また極低温・強磁場中の有機薄膜デバイスの光電流測定に初めて成功し、新規な磁場効果を発見した。

Research Products

• [Journal Article] Variable magnetotransport properties in the TPP[Fe(Pc)L_2]_2 system (TPP=tetraphenyl phosphonium, Pc=phthalocyaninato, L=CN, Cl, and Br) (2009)
  • Author(s): D. E. C. Yu, M. Matsuda, H. Tajima, A. Kikuchi, T. Taketsugu, N. Hanasaki, T. Naito, T. Inabe
  • Journal Title: J. Mater. Chem. 19 Pages: 718-723
  • Peer Reviewed
• [Journal Article] Dielectric function analysis of superstoichiometric samarium dihydride films (2009)
  • Author(s): M. Sakai, T. Nanbo, Y. Tanji, O. Nakamura, M. Endo, H. Tajima, J. Appl
  • Journal Title: Phys 105 Pages: 083512
  • Peer Reviewed
• [Journal Article] Optical properties and piezochromism of π-conjugated polythiophene with HH-P3 substituent (2008)
  • Author(s): T. Sato, T. Yagi, H. Tajima, T. Fukuda, T. Yamamoto
  • Journal Title: Reactive & Functional Polymers 68 Pages: 369-375
  • Peer Reviewed
• [Journal Article] Electroluminescence Quenching Caused by aSpin Crossover Transition (2008)
  • Author(s): M. Matsuda, H. Isozaki, H. Tajima
  • Journal Title: Chem. Lett 37 Pages: 374-375
  • Peer Reviewed
• [Journal Article] A relation ship between Molecular Orientation and Current-Voltage Characteristics in Poly(3-hexylthiophene) Thin Film (2008)
  • Author(s): T. Komino, H. Tajima, M. Matsuda
  • Journal Title: Chem. Lett 37 Pages: 690-691
  • Peer Reviewed
• [Journal Article] An Attempt in Simultaneous Measurement of Molecular Orienmtation and Current-Voltage Characteristics in Thin Films (2008)
  • Author(s): T. Komino, H. Tajima, M. Matsuda
  • Journal Title: Thin Solid Films 517 Pages: 1358-1361
  • Peer Reviewed
• [Journal Article] Magnetic torque and heat capacity measurements on TPP[Fe(Pc)(CN)_2]_2 (2008)
  • Author(s): H. Tajima, G. Yoshida, M. Matsuda, K. Nara, K. Kajita, Y. Nishio, N. Hanasaki, T. Naito, T. Inabe
  • Journal Title: Phys.Rev.B 78 Pages: 064424(8 pages)
  • Peer Reviewed
• [Journal Article] "Intrisic Carrier Doping in Antiferro magnetically Interacted Supramolecular Copper Complexes with (Pyrazino)tetrathia fulvalene (Pyra-TTF) as the Ligand, [Cu^IICl_2(pyra-TTF)] and (Pyra-TTF)_2 {Cu^I_3Cl_4(pyra-TTF)] (2008)
  • Author(s): S. Ichikawa, S. Kimura, K. Takahashi, H. Mori, G. Yoshida, Y. Manabe, M. Matsuda, H. Tajima, J. Yamaura
  • Journal Title: Inorg. Chem 47 Pages: 4140-4145
  • Peer Reviewed
• [Journal Article] Evidence of the Chemical Uniaxial Strain Effect on the Electrical Conductivity in the Spin-Crossover Conducting Molecular System : [Fe^III(qna)_2][Pd(dmit)_2]_5. Acetone (2008)
  • Author(s): K. Takahashi, H. Cui, Y. Okano, H. Kobayashi, H. Mori, H. Tajima, Y. Einaga, O. Sato
  • Journal Title: J. Am. Chem. Soc 130 Pages: 6688-6689
  • Peer Reviewed
• [Journal Article] Reproducible on-off switching of the light emission from the electroluminescent device containing a spin crossover complex (2008)
  • Author(s): M. Matsuda, H. Isozaki, H. Tajima
  • Journal Title: Thin Solid Films 517 Pages: 1465-1467
  • Peer Reviewed
• [Journal Article] 金属フタロシアニン錯体 (2008)
  • Author(s): 稲辺保、武次徹也、松田真生、田島裕之、花咲徳亮
  • Journal Title: 固体物理特集号 11月号 Pages: 103-116(795-808)
  • Peer Reviewed
• [Journal Article] スピン転移と電界発光 (2008)
  • Author(s): 松田真生、小簔剛、田島裕之、化学工業
  • Journal Title: 9月号 Pages: 39-45(703-709)
• [Journal Article] Obsevation of Magneto-photocurrent Effect at Low Temperature in Polymer Solar Cell (2007)
  • Author(s): N. Suzuki, M. Miyakawa, M. Matsuda, H. Tajima
  • Journal Title: J. Phys. Soc. Jpn 76 Pages: 023709 (4pages)
  • Peer Reviewed
• [Journal Article] x"Proton Migration in-N…H…OHydrogen-bonded Complex of (Chloranilic acid)-(1,2-Diazine)2 Studied by Dielectric Response and Infrared Absorption Spectra (2007)
  • Author(s): H. Suzuki, H. Mori, J. Yamaura, M. Matsuda, H. Tajima and T. Mochida
  • Journal Title: Chem. Lett 36 Pages: 402-403
  • Peer Reviewed
• [Journal Article] Magnetotransport properties in near-stoichiometric hydride films of YH2+δ under weak fields (2007)
  • Author(s): M. Sakai, T. Nanbo, O. Nakamura, H. Tajima, Y. Uwatoko
  • Journal Title: J. Appl. Phys 101 Pages: 103713
  • Peer Reviewed
• [Journal Article] Thin Film of a Spin Crossover Complex [Fe(dpp)_2](BF_4)_2 (2007)
  • Author(s): M. Matsuda and H. Tajima
  • Journal Title: Chem. Lett 36 Pages: 700-701
  • Peer Reviewed
• [Journal Article] Galvanomagnetic properties of super and substoichiometric yttrium dihydrides (2007)
  • Author(s): M. Sakai, T. Nanbo, Y. Tanji, N. Miyazak, O. Nakamura, Y. Uwatoko, H. Tajima, J. Magnetism, Magnetic Materials
  • Journal Title: 310 Pages: e59-61
  • Peer Reviewed
• [Journal Article] Polarized optical reflection study on singlecrystalline β-FeSi_2 (2007)
  • Author(s): H. Udono, I. Kikuma, H. Tajima, K. Takarabe,
  • Journal Title: J. Materials Science-Materials in Electronics 18 Pages: S65-S69
  • Peer Reviewed
• [Journal Article] Melt growth and characterization of Mg_2Si bulk crystals (2007)
  • Author(s): D. Tamura, R. Nagai, K. Sugimoto, H. Udono, I. Kikuma, H. Tajima, I. J. Ohsugi
  • Journal Title: Thin Solid Films 515 Pages: 8272-8276
  • Peer Reviewed
• [Journal Article] 磁場によって電気抵抗が激減する分子性物質 (2007)
  • Author(s): 松田真生、田島裕之、花咲徳亮、内藤俊雄、稲辺保
  • Journal Title: 固体物理 2月号 Pages: 45-54(123-132)
  • Peer Reviewed
• [Journal Article] Giant Negative Magnetoresistance Reflecting Molecular Symmetry in Dicyano(phthalocyaninato)iron Compounds (2006)
  • Author(s): N. Hanasaki, M. Matsuda, H. Tajima, E. Ohmichi, T. Osada, T. Naito, T. Inabe
  • Journal Title: J. Phys. Soc. Jpn 75 Pages: 033703 (4 pages)
  • Peer Reviewed
• [Journal Article] A Voltage Induced Transition of Hemin in BIODE (Biomolecular Light-Emitting Diode) (2006)
  • Author(s): H. Tajima, K. Shimatani, T. Komino, M. Matsuda, S. Ikeda, Y. Ando and H. Akiyama
  • Journal Title: Bull. Chem. Soc. Jpn 79 Pages: 549-554
  • Peer Reviewed
• [Journal Article] Light-emitting diodes fabricated from biomolecular compounds (2006)
  • Author(s): H. Tajima, K. Shimatani, T. Komino, S. Ikeda, M. Matsuda, Y. Ando and H. Akiyama
  • Journal Title: Colloids and Surfaces A Pages: 284-285,61-65
  • Peer Reviewed
• [Journal Article] Thermal conductivity of (DMe-DCNQI)_2 Li1_-xCu_x (x=1 and x=0.75) : anomalous temperature hysteresis depending on Cu Concentration (2006)
  • Author(s): K. Torizuka, H. Tajima and T. Yamamoto
  • Journal Title: J. Phys. Soc. Jpn 75 Pages: 074604(5 pages)
  • Peer Reviewed
• [Journal Article] Antiferromagnetic Interaction Achived by a3-D Supramolecular Cu^II Complex with Pyrazino-Fused TTF as the Ligand, [CuCl_2(BP-TTF)] (2006)
  • Author(s): S. Ichikawa, S. Kimura, H. Mori, G. Yoshida, H. Tajima,
  • Journal Title: Inorg Chem 45 Pages: 7575
  • Peer Reviewed
• [Journal Article] Charge Disproportionation in Highly One-dimensional Molecular Conductor TPP[Co(Pc)(CN)_2]_2 (2006)
  • Author(s): N. Hanasaki, K. Masuda, K. Kodama, M. Matsuda, H. Tajima, J. Yamazaki, M. Takigawa, J. Yamaura, E. Ohmichi, T. Osada, T. Naito, T. Inabe
  • Journal Title: J. Phys. Soc. Jpn 75 Pages: 104713 (5pages)
  • Peer Reviewed
• [Journal Article] Phthalocyanine conductors : New trend forcrystal and functionality design (2006)
  • Author(s): T. Inabe, M. Ishikawa, T. Asari, H. Hasegawa, A. Fujita, N. Matsumura, T. Naito T, M. Matsuda, H. Tajima, Mol. Cryst
  • Journal Title: Liq. Cryst 455 Pages: 87-92
  • Peer Reviewed
• [Journal Article] Electron Spin Dynamics in (DMe-DCNQI)_2M (M=Li1_-xCu_x (x<0.14, Ag) (2006)
  • Author(s): M. Hiraoka, H. Sakamoto, K. Mizoguchi, R. Kato, T. Kato, T. Nakamura, K. Furukawa, K. Hiraki, T. Takahashi, T. Yamamoto, H. Tajima
  • Journal Title: J. Low Temp. Phys 142 Pages: 617
  • Peer Reviewed
• [Journal Article] Magnetic torque and magnetic susceptibility (AC and DC) measurements on PTMA_0.5[Fe(Pc)(CN)_2]・CH_3CN : The origin of spontaneous magnetization in [Fe(Pc)(CN)_2] molecular conductors
  • Author(s): H. Tajima, G. Yoshida, M. Matsuda, J. Yamaura, N. Hanasaki, T. Naito, T. Inabe
  • Journal Title: Phys.Rev.B (in press)
  • Peer Reviewed
• [Journal Article] Highly Coplanar Polythiophenes with-C(triple bond)CR Side Chains : Self-assembly, Linear and Nonlinear Optical Properties, and Piezochromism
  • Author(s): T. Yamamoto, T. Sato, T. Iijima, M. Abe, H. Fukumoto, T. Koizumi, M. Usui, Y.Nakamura, T. Yagi, H. Tajima, T. Okada, S. Sasaki, H. Kishida, A. Nakamura, T. Fukuda, A. Emoto, H. Ushijima, C. Kurosaki and H. Hirota
  • Journal Title: Bull. Chem. Soc. Jpn. (in press)
  • Peer Reviewed
• [Journal Article] Photovoltaic Effect of Organic Devices at Low Temperature and under High MagneticField
  • Author(s): H. Tajima, M. Miyakawa, M. Yasui, N. Suzuki, M. Matsuda
  • Journal Title: Thin Solid Films (in press)
  • Peer Reviewed
• [Journal Article] The Fabrication Method of Unsubstituted Planar Phthalocyanine Thin Films by aSpin-Coating Technique
  • Author(s): T. Komino, M. Matsuda, H. Tajima
  • Journal Title: Thin Solid Films (in press)
  • Peer Reviewed
• [Presentation] Photovoltaic Effect of Organic Devices at Low Temperature and under High Magnetic Field (2009)
  • Author(s): H. Tajima, M. Miyakawa, M. Yasui, N. Suzuki, M. Matsuda
  • Organizer: Salt Lake City
  • Place of Presentation: Utah,USA(口頭発表)
  • Year and Date: 2009-02-05
• [Presentation] Photovoltaic Effect of Organic Devices at Low Temperature and under High Magnetic Field (2008)
  • Author(s): H. Tajima, M. Miyakawa, M. Yasui, N. Suzuki, M. Matsuda
  • Organizer: International Conference on Nano-moleculae Electronics
  • Place of Presentation: 神戸 ポートピアホテル(口頭発表)
  • Year and Date: 2008-12-18
• [Presentation] 有機薄膜デバイスの光電流磁場効果の実験 (2007)
  • Organizer: 物性研短期研究会「物性化学のフロンティア2007
  • Place of Presentation: 物性研究所(依頼講演)
  • Year and Date: 2007-11-12
• [Presentation] Magneto-photocurrent Effect at Low Temperature in MIM junctions (2007)
  • Organizer: China-Japan Joint Symposium on Conduction and Photoconduction in Organic Solids and Related Phenomena
  • Place of Presentation: 北京,友誼賓館(招待講演)
  • Year and Date: 2007-10-29
• [Presentation] 物性科学の観点で見た有機光デバイス (2007)
  • Organizer: 化学会関東支部部会
  • Place of Presentation: 首都大学東京(依頼講演)
  • Year and Date: 2007-09-28
• [Presentation] 有機ナノ電子物性-新たなパラダイムへの挑戦- (2007)
  • Organizer: 分子科学研究所セミナー
  • Place of Presentation: 物性分子科学の新展開(依頼講演)
  • Year and Date: 2007-03-11
• [Presentation] バイオードの研究 (2006)
  • Organizer: 名大総長裁量経費研究会
  • Place of Presentation: 名大(招待講演)
  • Year and Date: 2006-10-16
• [Presentation] Electroluminescence Study on Biomolecules (2006)
  • Organizer: International Conference on Electroluminescence of Molecular Materials and Related Phenomena
  • Place of Presentation: Hong Kong(口頭発表)
  • Year and Date: 2006-08-09
• [Presentation] Light-emitting diode fabricated from heme proteins and related compounds (2006)
  • Organizer: International Conferences of Synthetic Metals
  • Place of Presentation: (ICSM), Doublin(招待講演)
  • Year and Date: 2006-07-04
• [Patent(Industrial Property Rights)] 電子素子、ディスプレー装置、記憶素子、光センサ、ガスセンサおよび電子素子製造方法 (2008)
  • Inventor(s): 松田真生、田島裕之
  • Industrial Property Rights Holder: 国立大学法人 東京大学
  • Industrial Property Number: 特願2008-51295
  • Filing Date: 2008-02-29