Takashi Kajitani

梶谷孝

Takashi Kajitani Ph.D (Eng.)
Tokyo Institute of Technology
Lecturer

kajitani[at]res.titech.ac.jp

Education

平成 8年4月 千葉大学工学部機能材料工学科 入学
平成12年3月 千葉大学工学部機能材料工学科 卒業
平成12年4月 千葉大学大学院自然科学研究科物質工学専攻 博士前期課程 入学
平成14年3月 千葉大学大学院自然科学研究科物質工学専攻 博士前期課程 修了
平成14年4月 千葉大学大学院自然科学研究科物質高次科学専攻 博士後期課程 入学
平成17年3月 千葉大学大学院自然科学研究科物質高次科学専攻 博士後期課程 修了

Academic Career

平成17年4月
- 平成19年10月
科学技術振興機構ERATO八島超構造らせん高分子プロジェクト 研究員
平成19年10月
- 平成20年3月
理化学研究所 フロンティア研究システム ナノ複合構造研究チーム 研究員
平成20年4月
- 平成21年9月
理化学研究所 基幹研究所 ナノ複合構造研究チーム 基幹研究所研究員(組織改編)
平成21年9月
- 平成22年3月
理化学研究所 基幹研究所 機能性ソフトマテリアル研究チーム
基幹研究所研究員(所属変更)
平成22年4月
- 平成22年11月
理化学研究所 基幹研究所 エネルギー変換研究チーム
基幹研究所研究員(組織改編)
平成22年12月
- 平成25年3月
理化学研究所 基幹研究所 エネルギー変換研究チーム 副チームリーダー
平成25年4月 - 東京工業大学 資源化学研究所 無機資源部門 特任講師

Prize

  • 平成22年4月 日本化学会第90春季年会優秀講演賞(学術)

Publication

2018

Original Papesr

  • Helical Organization on Photovoltaic Properties of Oligothiophene Supramolecular Polymers
    Hayato Ouchi, Takahiro Kizaki, Masaki Yamato, Xu Lin, Nagahiro Hoshi, Fabien Silly, Takashi Kajitani, Takanori Fukushima, Ken-ichi Nakayama, Shiki Yagai
    Chem. Sci. 2018, in press
  • Impact of Helical Organization on the Photovoltaic Properties of Oligothiophene Supramolecular Polymers
    H. Ouchi, T. Kizaki, M. Yamato, X. Lin, N. Hoshi, F. Silly, T. Kajitani, T. Fukushima, K. Nakayama, S. Yagai
    Chem. Sci. 2018, 9 , 3638–3643 (DOI: 10.1039/C7SC05093C).
  • Thermal and optical properties of multiblock macrocycles with hysteretic polymorphic transition
    Kota Nabeya, Takahiro Muraoka, Norihisa Hoshino, Miho Aizawa, Takashi Kajitani, Tomoyuki Akutagawa, Atsushi Shishido, Takanori Fukushima and Kazushi Kinbara
    Mater. Chem. Front. 2018, 2, 807 - 814 DOI: 10.1039/c7qm00621g
  • A few-layer molecular film on polymer substrates to enhance the performance of organic devices
    T. Yokota, T. Kajitani, R. Shidachi, T. Tokuhara, M. Kaltenbrunner, Y. Shoji, F. Ishiwari, T. Sekitani, T. Fukushima, T. Someya
    Nature Nanotech. 201813, 139–144 (doi:10.1038/s41565-017-0018-6).
  • Artificial muscle-like function from hierarchical supramolecular assembly of photoresponsive molecular motors
    J. Chen, F. K.-C. Leung, M. C. A. Stuart, T. Kajitani, T. Fukushima, E. van der Giessen, B. L. Feringa
    Nature  Chem.  2018 10, 132-138 (doi:10.1038/nchem.2887).
    Highlighted in Chemical & Engineering News 
  • Water-Induced Self-Assembly of an Amphiphilic Perylene Bisimide Dyad into Vesicles, Fibers, Coils, and Rings
    Mutsumi Ogasawara, Xu Lin, Hiroki Kurata, Hayato Ouchi, Mitsuaki Yamauchi, Tomonori Ohba, Takashi Kajitani, Takanori Fukushima, Munenori Numata, Rie Nogami, Bimalendu Adhikari and Shiki Yagai
    Mater. Chem. Front. 20182, 171--179 (DOI: 10.1039/C7QM00494J)

2017

Original Papers

  • Hexathioalkyl sumanenes: An electron-donating buckybowl as a building block for supramolecular materials
  • Y. Shoji,  T. Kajitani,  F. Ishiwari,  Q. Ding,  H. Sato,  H. Anetai,  T. Akutagawa,  H. Sakurai, T. Fukushima (Y.S., F.I., and T.K. contributed equally)
    Chem. Sci. 2017, 8, 8405–8410 (DOI: 10.1039/C7SC03860G).
  • Induction of Single-Handed Helicity of Polyacetylenes Using Mechanically Chiral Rotaxanes as Chiral Sources
    F. Ishiwari, K. Nakazono, Y. Koyama, T. Takata
    Angew. Chem. Int. Ed. 201756, 14858-14862(DOI: 10.1002/anie.201707926).
  • Quantum Chemical Studies on Electron-Accepting Overcrowded Ethylene with a Polarizable Skeleton 
    T. Tada, T. Fukushima, M. Hada, Y. Majima
    J. Phys. Chem. A. 2017, 121, 7797–7806 (DOI: 10.1021/acs.jpca.7b09172).

  • Mesoscopic Structural Aspects of Ca2+-Triggered Polymer Chain Folding of a Tetraphenylethene-Appended Poly(Acrylic Acid) in Relation to Its Aggregation-Induced Emission Behavior
  • K. Morishima, F. Ishiwari, S. Matsumura, T. Fukushima, M. Shibayama
    Macromolecules 2017, 50, 5940–5945 (DOI: 10.1021/acs.macromol.7b00883).
  • Temperature Dependence of Magnetophotoconductance in One-Dimensional Molecular Assembly of Hexabenzocoronene Y. Wakikawa, T. Ikoma, Y. Yamamoto, T. Fukushima, K. Akiyama
    ACS Omega 20172, 3260–3266 (DOI: 10.1021/acsomega.7b00474).
  • Rigid-to-Flexible Conformational Transformatdion: An Efficient Route to Ring-Opening of a Trogers Base-Containing Ladder Polymer
    F. Ishiwari, N. Takeuchi, T. Sato, H. Yamazaki, R. Osuga, J. N. Kondo, T. Fukushima
    ACS Macro Lett. 20176, 775–780 (DOI: 10.1021/acsmacrolett.7b00385).
    Highlighted in Synfacts (selected as Synfacts of the mounth and top cover).
    Mission Accomplished: Synthesis of ‘Flexible’ Ladder Polymers
    T. M. Swager, K. Yoshinaga,
    Synfacs 201713, 1027 (DOI: 10.1055/s-0036-1591240). 
  • 2,3,5,6,8,9-Hexabromosumanene: Synthesis and Its Application to Suzuki-Miyaura Cross-Coupling
    H. Toda, Y. Yakiyama, Y. Shoji, F. Ishiwari, T. Fukushima, H. Sakurai
    Chem. Lett. 2017461368–1371 (DOI: 10.1246/cl.170566).
  • Oxidative Desulfurization of Electron-Donating 5,5,7,7-Tetraaryl-5,7- dihydrodibenzo[c,e]thiepins and the Related Heterocycles: Generation of Dicationic Dyes upon Two-Electron Oxidation.
  • T. Suzuki, T. Kuroda, H. Tamaoki, S. Higasa, T. Nehira, R. Katoono, Y. Ishigaki, K. Fujiwara, T. Fukushima, H. Yamada
    Heterocycles 2017 95, 816-829. (DOI: 10.3987/com-16-s(s)50).
  • Stereoselective Encapsulation for a Triarylmethylium,o-Dimer by Natural γ-Cyclodextrin: Origin of Chiral Recognition for the Axially Chiral Dicationic Gues
    T. Suzuki, J. P. Cerón-Carrasco, H. Tamaoki, Y. Ishigaki, R. Katoono, T. Fukushima, H. Pérez-Sánchez
    Heterocycles 201794, 1123-1132 (DOI: 10.3987/COM-17-13674).
  • Synthesis and Catalytic Applications of a Triptycene-Based Monophosphine Ligand for Palladium-Mediated Organic Transformations
  • F. K.-C. Leung, F. Ishiwari, Y. Shoji, T. Nishikawa, R. Takeda, Y. Nagata, M. Suginome, Y. Uozumi, Y. M. A. Yamada, T. Fukushima
    ACS Omega 20172, 1930–1937 (DOI: 10.1021/acsomega.7b00200).
  • Formation of an Isolable Divinylborinium Ion through Twofold 1,2-Carboboration between a Diarylborinium Ion and Diphenylacetylene
    N. Tanaka, Y. Shoji, D. Hashizume, M. Sugimoto, T. Fukushima
    Angew. Chem. Int. Ed. 201756, 5312–5316 (DOI: 10.1002/anie.201701730).
    Selected as "Back Cover"
  • Supramolecular Polymerization of Supermacrocycles: Effect of Molecular Conformations on Kinetics and Morphology
  • M. Yamauchi, B. Adhikari, D. D. Prabhu, X. Lin, T. Karatsu, T. Ohba, N. Shimizu, H. Takagi, R. Haruki, S. Adachi, T. Kajitani, T. Fukushima, S. Yagai
    Chem. Eur. J. 201723, 5270–5280 (DOI: 10.1002/chem.201605873).
  • High-fidelity self-assembly pathways for hydrogen-bonding molecular semiconductors
    X. Lin, M. Suzuki, M. Gushiken, M. Yamauchi, T. Karatsu, T. Kizaki, Y. Tani, K. Nakayama, M. Suzuki, H. Yamada, T. Kajitani, T. Fukushima, Y. Kikkawa, S. Yagai
    Sci. Rep. 20177, 43098 (DOI: 10.1038/srep43098).
  • A design principle of polymers processable into 2D homeotropic order
    Z. Chen, Y.-T. Chan, D. Miyajima, T. Kajitani, A. Kosaka, T. Fukushima, J. M. Lobez, T. Aida
    Nature Commun. 20167, 13640 (doi:10.1038/ncomms13640).
  • Synthesis and Self-Assembly of Cyclic 2,7-Anthrylene Ethynylene 1,3-Phenylene Ethynylene Trimer with a Planar Conformation
    Y. Takaki, R. Ozawa, T. Kajitani, T. Fukushima, M. Mitsui, K. Kobayashi 
    Yuta Takaki,
    Ryota Ozawa,
    Dr. Takashi Kajitani,
    Prof. Takanori Fukushima,
    Prof. Masaaki Mitsui,
    Prof. Kenji Kobayashi

    Chem. Eur. J. 201622, 16760–16764 (doi: 10.1002/chem.201603627).
  • Supramolecular Scaffold for Tailoring the Two-Dimensional Assembly of Functional Molecular Units into Organic Thin Films
    F. K.-C. Leung, F. Ishiwari, T. Kajitani, Y. Shoji, T. Hikima, M. Takata, A. Saeki, S. Seki, Y. M. A. Yamada, T. Fukushima
    J. Am. Chem. Soc. 2016138, 11727–11733 (DOI: 10.1021/jacs.6b05513).
  • Supramolecular Assemblies of Ferrocene-Hinged Naphthalenediimides: Multiple Conformational Changes in Film States
    A. Takai, T. Kajitani, T. Fukushima, K. Kishikawa, T. Yasuda, M. Takeuchi
    J. Am. Chem. Soc. 2016138, 11245–11253 (DOI: 10.1021/jacs.6b05824).
  • Hydrogen-bonded oligothiophene rosettes with a benzodithiophene terminal unit: self-assembly and application to bulk heterojunction solar cells
    H. Ouchi, X. Lin, T. Kizaki, D. D. Prabhu, F. Silly, T. Kajitani, T. Fukushima, K. Nakayama, S. Yagai
    Chem. Commun. 201652, 7874–7877 (DOI: 10.1039/C6CC03430F).
  • Chlorine-based inductively coupled plasma etching of GaAs wafer using tripodal paraffinic triptycene as an etching resist mask
    A. Matsutani, F. Ishiwari, Y. Shoji, T. Kajitani, T. Uehara, M. Nakagawa, T. Fukushima
    Jpn. J. Appl. Phys. 201655, 06GL01-1 to 06GL01-3 (DOI:10.7567/JJAP.55.06GL01).
  • Rational synthesis of organic thin films with exceptional long-range structural integrity
    N. Seiki, Y. Shoji, T. Kajitani, F. Ishiwari, A. Kosaka, T. Hikima, M. Takata, T. Someya, T. Fukushima
    Science 2015348, 1122-1126. (DOI: 10.1126/science.aab1391).
  • Photoalignment of an azobenzene-based chromonic liquid crystal dispersed in triacetyl cellulose: single-layer alignment films with an exceptionally high order parameter
    M. Matsumori, A. Takahashi, Y. Tomioka, T. Hikima, M. Takata, T. Kajitani, T. Fukushima
    ACS Appl. Mater. Interfaces 20157, 11074–11078. (DOI: 10.1021/acsami.5b02577).
  • An electron-accepting molecular unit exhibiting an orientational preference favorable for organic photovoltaic applications
    K. Akaike, S. Ando, H. Enozawa, A. Kosaka, T. Kajitani, T. Fukushima
    Thin Solid Films 2015583, 34-39. (doi:10.1016/j.tsf.2015.03.002).
  • o-Phenylene Octamers as Surface Modifiers for Homeotropic Columnar Ordering of Discotic Liquid Crystals
    T. Kajitani, Y. Suna, A. Kosaka, T. Osawa, S. Fujikawa, M. Takata, T. Fukushima, T. Aida
  • J. Am. Chem. Soc.  2013135, 14564–14567. (10.1021/ja4087853)
  • Tetrathiafulvalene Hybridized with Indacenetetraone as a Visible-Light-Harvesting Electron Acceptor Applicable to Bulk-Heterojunction Organic Photovoltaics
    K. Akaike, H. Enozawa, T. Kajitani, M. Koizumi, A. Kosaka, D. Hashizume, Y. Koizumi, A. Saeki, S. Seki, and T. Fukushima
  • Chem. Lett.  201342, 1417–1419. (doi:10.1246/cl.130702)
  • Amphiphilic Design of a Discotic Liquid-Crystalline Molecule for Dipole Manipulation: Hierarchical Columnar Assemblies with a 2D Superlattice Structure
    M.-C. Yeh, Y.-L. Su, M.-C. Tzeng, C. W. Ong, T. Kajitani, H. Enozawa, M. Takata, Y. Koizumi, A. Saeki, S. Seki, T. Fukushima
  • Angew. Chem. Int. Ed. 201352, 1031–1034. (DOI: 10.1002/anie.201207708)
  • Wide-Range 2D Lattice Correlation Unveiled for Columnarly Assembled Triphenylene Hexacarboxylic Esters
    T. Osawa, T. Kajitani, D. Hashizume, H. Ohsumi, S. Sasaki, M. Takata, Y. Koizumi, A. Saeki, S. Seki, T. Fukushima, T. Aida
  • Angew. Chem. Int. Ed. 201251, 7990–7993. (DOI: 10.1002/anie.201203077
  • Large-Area Three-Dimensional Molecular Ordering of a Polymer Brush by One-Step Processing
    N. Hosono, T. Kajitani, T. Fukushima, K. Ito, S. Sasaki, M. Takata, and T. Aida
    Science 2010, 330, 808-811.
  • Visualization of Polymer Chain Conformations in Amorphous Polyisocyanide Langmuir-Blodgett Films by Atomic Force Microscopy
    J. Kumaki, T. Kajitani, K. Nagai, K. Okoshi, and E. Yashima
    J. Am. Chem. Soc. 2010, 132, 5604-5606.
  • Helical Polyisocyanides with Fan-Shaped Pendants
    T. Kajitani, H. Lin, K. Nagai, K. Okoshi, H. Onouchi, and E. Yashima
    Macromolecules 2009, 42, 560-567.
  • Anomalous Stiff Backbones of Helical Poly(phenyl isocyanide) Derivatives
    K. Okoshi, K. Nagai, T. Kajitani, S.-i. Sakurai, and E. Yashima
    Macromolecules 2008, 41, 7752-7754.
  • Helix-Sense-Controlled Polymerization of Optically Active Phenyl Isocyanides
    T. Kajitani, K. Okoshi, and E. Yashima
    Macromolecules 2008, 41, 1601-1611.
  • Two- and Three-Dimensional Smectic Ordering of Single-Handed Helical Polymers
    H. Onouchi, K. Okoshi, T. Kajitani, S.-i. Sakurai, K. Nagai, J. Kumaki, K. Onitsuka, and E. Yashima
    J. Am. Chem. Soc. 2008, 130, 229-236.
  • Uniaxial Orientation of a Rodlike Helical Poly(phenylacetylene) in an Electric Field
    K. Okoshi, T. Kajitani, K. Nagai, and E. Yashima
    Macromolecules 2008, 41, 258-261.
  • Helix-Sense Controlled Polymerization of a Single Phenyl Isocyanide Enantiomer Leading to Diastereomeric Helical Polyisocyanides with Opposite Helix-Sense and Cholesteric Liquid Crystals with Opposite Twist-Sense
    T. Kajitani, K. Okoshi, S.-i. Sakurai, J. Kumaki, and E. Yashima
    J. Am. Chem. Soc. 2006, 128, 708-709.
  • Spontaneous Chiral Induction in a Cubic Phase
    T. Kajitani, S. Kohmoto, M. Yamamoto, and K. Kishikawa
    Chem. Mater. 2005, 17, 3812-3819.
  • Generation of a Chiral Mesophase by Achiral Molecules: Absolute Chiral Induction in the Smectic C Phase of 4-Octyloxyphenyl 4-Octyloxybenzoate
    T. Kajitani, H. Masu, S. Kohmoto, M. Yamamoto, K. Yamaguchi, and K. Kishikawa
    J. Am. Chem. Soc. 2005, 127, 1124-1125.
  • Calamitic Liquid Crystalline Molecules with Lateral Intermolecular Hydrogen Bonding
    T. Kajitani, S. Kohmoto, M. Yamamoto, and K. Kishikawa
    Mol. Cryst. Liq. Cryst. 2005, 439, 2039-2043.
  • Liquid Crystalline Amides: Linear Arrangement of Rod-Like Molecules by Lateral Intermolecular Hydrogen Bonding and Molecular Shape Effect
    T. Kajitani, S. Kohmoto, M. Yamamoto, and K. Kishikawa
    J. Mater. Chem. 2004, 14, 3449-3456.
  • "Tuning Fork"-Shaped Mesogens: Large Hysteresis in the Interdigitated Layer Structure in the Liquid Crystal Phases
    T. Kajitani, Y. Miwa, N. Igawa, M. Katoh, S. Kohmoto, M. Yamamoto, K. Yamaguchi, and K. Kishikawa
    J. Mater. Chem. 2004, 14, 2612-2621.
  • Generation of Stable Calamitic Liquid-Crystal Phases with Lateral Intermolecular Hydrogen Bonding
    T. Kajitani, S. Kohmoto, M. Yamamoto, and K. Kishikawa
    Chem. Mater. 2004, 16, 2329-2331.
  • Liquid-Crystalline Compounds Consisting of Two Mesogenic Cores in Parallel Conformation
    K. Kishikawa, Y. Miwa, T. Kajitani, S. Kohmoto, M. Yamamoto, and K. Yamaguchi
    Chem. Mater. 2001, 13, 2468-2471.
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Contact Us
Prof. Takanori Fukushima
Laboratory for Chemistry and Life Science
Institute of Innovative Research

School of Materials and Chemical Technology, Department of Chemical Science and Engineering

Tokyo Institute of Technology
R1-1, 4259 Nagatsuta, Midori-ku,
Yokohama 226-8503 JAPAN
Phone: +81-45-924-5220
Fax: +81-45-924-5220