光学異性化と幾何異性化からイリジウムトリスキレート錯体の光化学を解明する研究

2010 年度 研究成果報告書

• 研究課題/領域番号: 20550056
• 研究種目: 基盤研究(C)
• 配分区分: 補助金
• 応募区分: 一般
• 研究分野: 無機化学
• 研究機関: 千葉大学
• 研究代表者: 唐津 孝 千葉大学, 大学院・工学研究科, 教授 (70214575)
• 研究期間 (年度): 2008 – 2010
• キーワード: 機能材料 / 錯体化学 / 発光材料 / 光化学

研究概要

有機エレクトロルミネッセンスなどで重要な発光材料であるイリジウム(III)トリスシクロメタレート錯体はその発光機構が従来の有機物異なっており,発光効率を飛躍的に増大できる事から重要である。錯体には1対の幾何異性体と,それぞれには1対の光学異性体が存在する。これらの異性体間で片道の光幾何異性化することを明らかにした。この異性化の機構を実験科学的にまた計算科学を活用して明らかにすることができた。

研究成果

• [雑誌論文] Photophysics and photochemistry of positionally isomeric 1,2-dianthryltetramethyldisilanes : Investigation of anthryl-anthryl and anthryl-SiSi interactions (2011)
  • 著者名/発表者名: Koji Takahashi, Yoshinobu Nishimura, Tatsuo Arai, Shiki Yagai, Akihide Kitamura, Takashi Karatsu
  • 雑誌名: J.Photochem.Photobiol.A : Chem. 218(2-3) ページ: 204-212
  • 査読あり
• [雑誌論文] Nebulin and N-WASP cooperate to cause IGF-1-induced sarcomeric actin filament formation (2010)
  • 著者名/発表者名: Kazunori Takano, Haruko Watanabe-Takano, Shiro Suetsugu, Souichi Kurita, Sumiko Kimura, Takashi Karatsu, Tadaomi Takenawa, Takeshi Endo
  • 雑誌名: Science 330(6010) ページ: 1536-1540
  • 査読あり
• [雑誌論文] Fluorescence Patterning by Using Photochemical Cycloaddition of Di-9,9'-anthracene Conjugates Linked by permethylsilyl Chains (2010)
  • 著者名/発表者名: Koji Takahashi, Yuuki Takanashi, Shiki Yagai, Akihide Kitamura, Takashi Karatsu
  • 雑誌名: J.Photopolymer Sci.Tech. 23(6) ページ: 789-794
  • 査読あり
• [雑誌論文] Ayyappanpillai Ajayaghosh,A complementary Guest Induced Morphology Transition in a Two-Component Multiple H-Bonding Self-Assembly (2010)
  • 著者名/発表者名: Tsuyoshi Tazawa, Shiki Yagai, Yoshihiro Kikkawa, Takashi Karatsu, Akihide Kitamura
  • 雑誌名: Chem.Comm. 46(7) ページ: 1076-1078
  • 査読あり
• [雑誌論文] Synthesis and Photophysical Properties of Substituted Tris(Phenylbenzimidazolinato) Ir(III) Carbene Complexes as a Blue Phosphorescent Material (2010)
  • 著者名/発表者名: Kazuyoshi Tsuchiya, Shiki Yagai, Akihide Kitamura, Takashi Karatsu, Kyoko Endo, Junji Mizukami, Seiji Akiyama, Masayoshi Yabe
  • 雑誌名: Eur.J.Inorg.Chem. ページ: 926-933
  • 査読あり
• [雑誌論文] Effect of Nitro-Substitution on the Photochemistry of 3-Peperidino-1,2-Benzisothiazole Derivatives : A Mechanistic Investigation (2010)
  • 著者名/発表者名: Hiroharu Tanikawa, Kazuhiro Ishii, Shun Kubota, Takashi Sasanuma, Shiki Yagai, Akihide Kitamura, Takashi Karatsu
  • 雑誌名: Heterocycles 81(3) ページ: 659-674
  • 査読あり
• [雑誌論文] Reversible Transformation between Rings and Coils in a Dynamic Hydrogen-Bonded Self-Assembly (2009)
  • 著者名/発表者名: Shiki Yagai, Shun Kubota, Hikaru Saito, Kanako Unoike, Takashi Karatsu, Akihide Kitamura, Ayyappanpillai Ajayaghosh, Masatoshi Kanesato, Yoshihiro Kikkawa
  • 雑誌名: J.Am.Chem.Soc. 131(15) ページ: 5408-5410
  • 査読あり
• [雑誌論文] Two-Dimensional Organization of Mono- and Bisurea Supramolecular Polymers Studied by Scanning Tunneling Microscopy (2009)
  • 著者名/発表者名: Yoshihiro Kikkawa, Shun Kubota, Takashi Karatsu, Akihide Kitamura, Masatoshi Kanesato, Shiki Yagai
  • 雑誌名: J.Nanosci.Nanotech. 10 ページ: 803-808
  • 査読あり
• [雑誌論文] Chirality in the Photochemical mer fac Geometrical Isomerization of Tris(1-phenylpyrazolato, N, C^<2'>)iridium(III) (2009)
  • 著者名/発表者名: Kazuyoshi Tsuchiya, Etsuko Ito, Shiki Yagai, Akihide Kitamura, Takashi Karatsu
  • 雑誌名: Eur.J.Inorg.Chem. ページ: 2104-2109
  • 査読あり
• [雑誌論文] Unconventional Hydrogen- Bond-Directed Hierarchical co-Assembly between Perylene Bisimide and Azobenzenefunctionalized Melamine (2009)
  • 著者名/発表者名: Shiki Yagai, Saori Hamamura, Hao Wang, Vladimir Stepanenko, Tomohiro Seki, Kanako Unoike, Yoshihiro Kikkawa, Takashi Karatsu, Akihide Kitamura, Frank Wuerthner
  • 雑誌名: Org.Biomol.Chem. 7(19) ページ: 3926-3929
  • 査読あり
• [雑誌論文] Interconvertible Oligothiophene Nanorods and Nanotapes with High Charge-Carrier Mobilities (2009)
  • 著者名/発表者名: Shiki Yagai, Tetsuro Kinoshita, Yoshihiro Kikkawa, Takashi Karatsu, Akihide Kitamura, Yoshihito Honsho, Shu Seki
  • 雑誌名: Chem.-A European J. 15(37) ページ: 9320-9324
  • 査読あり
• [雑誌論文] Formation of Supramolecular Polymers and Discrete Dimers of Perylene Bisimide Dyes Based on Melamine-Cyanurates Hydrogen-Bonding Interactions. (2008)
  • 著者名/発表者名: T.Seki, S.Yagai, T.Karatsu, A.Kitamura
  • 雑誌名: J.Org.Chem. 73 ページ: 3328-3335
  • 査読あり
• [雑誌論文] Photochemistry of 5-Nitro-1,2-benzisothia- zole Derivatives : Effects of Substituents, Solvents and Excitation Wavelength. (2008)
  • 著者名/発表者名: H.Tanikawa, K.Ishii, S.Kubota, S.Yagai, A.Kitamura, T.Karatsu
  • 雑誌名: Tetrahedron Lett. 49 ページ: 3444-3448
  • 査読あり
• [雑誌論文] Transformation from H- to J-aggregated Perylene Bisimide Dyes by Complexation with Cyanurates (2008)
  • 著者名/発表者名: Shiki Yagai, Tomohiro Seki, Takashi Karatsu, Akihide Kitamura, Frank Wurthner
  • 雑誌名: Angew.Chem. 47(18) ページ: 3367-3371
  • 査読あり
• [雑誌論文] Supramolecular Polymerization and Polymorphs of Oligo(p-phenylene vinylene)-Functionalized Bis- and Monoureas (2008)
  • 著者名/発表者名: Shiki Yagai, Shun Kubota, Tomoyuki Iwashima, Keiki Kishikawa, Takashi Nakanishi, Takashi Karatsu, Akihide Kitamura
  • 雑誌名: Chem.-A European J. 14(17) ページ: 5246-5257
  • 査読あり
• [雑誌論文] Toroidal Nanoobjects from Rosette Assemblies of Melamine-linked Oligo(p-phenylene- ethynylene)s and Cyanurates (2008)
  • 著者名/発表者名: Shiki Yagai, Sankarapillai Mahesh, Yoshihiro Kikkawa, Kanako Unoike, Takashi Karatsu, Akihide Kitamura, Ayyappanpillai Ajayaghosh
  • 雑誌名: Angew.Chem. 47(25) ページ: 4691-4694
  • 査読あり
• [雑誌論文] Miniaturization of Nanofibers Composed of Melamine-Appended Perylene Bisimides and Cyanurates (2008)
  • 著者名/発表者名: Seki Tomohiro, Shiki Yagai, Takashi Karatsu, Akihide Kitamura
  • 雑誌名: Chem.Lett. 37(7) ページ: 764-765
  • 査読あり
• [雑誌論文] Cyanurate-Guided Self-Assembly of a Melamine-Capped Oligo(p-phenylenevinylene) (2008)
  • 著者名/発表者名: Shiki Yagai, Shun Kubota, Kanako Unoike, Takashi Karatsu, Akihide Kitamura
  • 雑誌名: Chem.Comm. (37) ページ: 4466-4468
  • 査読あり
• [雑誌論文] Photochemistry and photophysics of organomonosilane and oligosilanes : Updating their studies on conformation and intramolecular interactions (2008)
  • 著者名/発表者名: Takashi Karatsu
  • 雑誌名: J.Photochem.Photobiol.C : Photochem.Rev. 9 ページ: 111-137
  • 査読あり
• [学会発表] Iridium (III) Triscyclometalated Complexes For OLED : Dendritic and Supramolecular Approaches (2010)
  • 著者名/発表者名: Takashi Karatsu, Masahiro Kobayashi, Naotaka Tawada, Yuki Kobayashi, Shiki Yagai, Akihide Kitamura
  • 学会等名: XXIII IUPAC Symposium on Photochemistry(Abstract p.61 (SO28))
  • 発表場所: Ferrara, Italy
  • 年月日: 20100711-20100716
• [学会発表] Photophysics and Photochemistry of Triscyclometalated Iridium (III) Complexes : Dendritic and Supramolecular Approaches (2010)
  • 著者名/発表者名: Takashi Karatsu, Masahiro Kobayashi, Naotaka Tawada, Shiki Yagai, Akihide Kitamura
  • 学会等名: International Conference on Science and Technology of Synthetic Metals 2010(Abstract p.121 (5D-11))
  • 発表場所: Kyoto, Japan
  • 年月日: 20100704-20100709
• [学会発表] リン光発光材料イリジウムトリスシクロメタレート錯体の光化学 (2010)
  • 著者名/発表者名: 唐津孝
  • 学会等名: 筑波大学学際物質科学研究センター(TIMS,白川センター)第9回機能性分子シンポジウム
  • 発表場所: 筑波大学(招待講演)
  • 年月日: 2010-01-08
• [学会発表] Photophysics and Photochemistry of Blue, Green, and Red Phosphorescent Triscyclometalated Ir(III) Complexes (2009)
  • 著者名/発表者名: 唐津孝
  • 学会等名: 2009 Asian Symposium on Organoic Materials for Electronics and Photonics (ASOMEP 2009), The 7^<th> International OLED and PLED Materials Workshop in Taipei, National Taiwan University(Abstract p.21)
  • 発表場所: Taipei, Taiwan(Invited Lecture)
  • 年月日: 20091213-20091215
• [学会発表] Photochemistry of Red Phosphorescent Triscyclometalated Ir(III) Complexes in Solution (2009)
  • 著者名/発表者名: Takashi Karatsu, Tomoko Sugizaki, Kazuyoshi Tsuchiya, Shiki Yagai, Akihide Kitamura
  • 学会等名: 2009 Korea-Japan Symposium on Frontier Photosciences(Abstract p.51)
  • 発表場所: Chungnam, Korea(IL-26, Invited Lecture)
  • 年月日: 20091030-20091103
• [学会発表] Photophysical and Photochemical Properties of Dianthryldisilanes (2009)
  • 著者名/発表者名: Koji Takahashi, Shiki Yagai, Akihide Kitamura, Takashi Karatsu
  • 学会等名: 2009 Korea-Japan Symposium on Frontier Photosciences(Abstract p.137 (P-22))
  • 発表場所: Chungnam, Korea
  • 年月日: 20091030-20091103
• [学会発表] High-Triplet Energy Copolymer Hosts Grafted with Red, Green, and Blue Ir(III) Complexes (2009)
  • 著者名/発表者名: Lin Xu, Shiki Yagai, Akihide Kitamura, Takashi Karatsu
  • 学会等名: 2009 Korea-Japan Symposium on Frontier Photosciences(Abstract p.136 (P-21))
  • 発表場所: Chungnam, Korea
  • 年月日: 20091030-20091103
• [学会発表] Photochemical Mer-Fac Isomerization of Blue to Red Phosphorescent Triscyclometalated Ir(III) Complexes (2009)
  • 著者名/発表者名: Takashi Karatsu, Kazuyoshi Tsuchiya, Tomoko Sugizaki, Shiki Yagai, Akihide Kitamura
  • 学会等名: International Symposium on the Photochemistry and Photophysics of Coordination Compounds(Abstract p.51)
  • 発表場所: Sapporo(IL 5 : Invited Lecture)
  • 年月日: 20090704-20090709
• [学会発表] Synthesis and Photophysical Property of Substituted Tris(phenylbenzimidazolinato) Ir(III) Carbene Complexes as a Blue Phosphorescent Material (2009)
  • 著者名/発表者名: Kazuyoshi Tsuchiya, Shiki Yagai, Akihide Kitamura, Takashi Karatsu, Kyoko Endo, Masayoshi Yabe
  • 学会等名: International Symposium on the Photochemistry and Photophysics of Coordination Compounds(Abstract p.236.(P131))
  • 発表場所: Sapporo
  • 年月日: 20090704-20090709
• [学会発表] Photophysics and Photochemistry of Fluorescent Materials ; Understanding and Controlling of Intra- and Inter-Molecular Interactions (2009)
  • 著者名/発表者名: 唐津孝
  • 学会等名: Post-Symposium of 2009 Asian Symposium on Organoic Materials for Electronics and Photonics (ASOMEP 2009)(Abstract p.6)
  • 発表場所: National Tsing Hua University, Shinchu, Taiwan(Invited Lecture)
  • 年月日: 2009-12-16
• [学会発表] Photophysics and Photochemistry of Blue, Green, and Red Phosphorescent Ir(III) Complexes for OLED (2009)
  • 著者名/発表者名: 唐津孝
  • 学会等名: The 32nd Fall Meeting of Korean Society for Imaging Science and Technology(Abstract p.15)
  • 発表場所: Pukyong National University, Pusan, Korea(Invited Lecture)
  • 年月日: 2009-11-27
• [学会発表] Chirality in the Photochemical mer→fac Geometrical Isomerization of Iridium (III) triscyclometalated complexes (2008)
  • 著者名/発表者名: Takashi Karatsu, Kazuyoshi Tsuchiya, Hiroki Iwaki, Shiki Yagai, Akihide Kitamura
  • 学会等名: 2008 Korea-Japan Symposium on Frontier Photoscience(Abstract p.56)
  • 発表場所: Jeju, Korea(IL 25 : Invited Lecture)
  • 年月日: 20080925-20080928
• [学会発表] Self-aggregation Behavior of Photochromic Compounds : Alkyl substituted Aromatic Compounds to Form Endoperoxides (2008)
  • 著者名/発表者名: Shigeru Takahara, Naoma Ban, Hidehiko Ando, Tomoe Miyazawa, Hitoshi Saito, Nobukazu Miyagawa, Takashi Karatsu
  • 学会等名: 2008 Korea-Japan Symposium on Frontier Photoscience(Abstract p.97 (IL 61))
  • 発表場所: Jeju, Korea
  • 年月日: 20080925-20080928
• [学会発表] Photophysical Properties of Blue Phosphorescent Tris(4-substituted phenylbenzimidazolinato) Ir(III) Carbene Complexes (2008)
  • 著者名/発表者名: Kazuyoshi Tsuchiya, Shiki Yagai, Akihide Kitamura, Takashi Karatsu, Kyoko Endo, Masayoshi Yabe
  • 学会等名: 2008 Korea-Japan Symposium on Frontier Photoscience(Abstract p.112 (YL 07))
  • 発表場所: Jeju, Korea
  • 年月日: 20080925-20080928
• [学会発表] Photochemistry of Nitro-1,2-benzisothiazole Derivatives (2008)
  • 著者名/発表者名: Hiroharu Tanikawa, Kazuhiro Ishii, Shun Kubota, Shiki Yagai, Akihide Kitamura, Takashi Karatsu
  • 学会等名: 2008 Korea-Japan Symposium on Frontier Photoscience(Abstract p.122 (PO 06))
  • 発表場所: Jeju, Korea
  • 年月日: 20080925-20080928
• [学会発表] Chirality in the Photochemical meridional→facial Geometrical Isomerization of Triscyclometalated Iridium (III) Complex (2008)
  • 著者名/発表者名: Takashi Karatsu, Kazuyoshi Tsuchiya, Shiki Yagai, Akihide Kitamura
  • 学会等名: XXII IUPAC Symposium on Photochemistry 2008(Abstract p.79 (SO49))
  • 発表場所: Goeteborg, Sweden
  • 年月日: 20080728-20080801
• [図書] 有機半導体デバイス(日本学術振興会第142委員会C部会編に)(イリジウム錯体の光異性化反応1章4節)
  • 著者名/発表者名: 唐津孝
  • 出版者: オーム社
• [備考] ホームページ等
  • URL: http://chem.tf.chiba-u.jp/gacb08/Resource/resource.html