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Wide-Range 2D Lattice Correlation Unveiled for Columnarly Assembled Triphenylene Hexacarboxylic Esters†

  1. Dr. Terutsune Osawa1,2,
  2. Dr. Takashi Kajitani2,
  3. Dr. Daisuke Hashizume2,
  4. Dr. Hiroyuki Ohsumi4,
  5. Dr. Sono Sasaki4,
  6. Prof. Dr. Masaki Takata4,
  7. Dr. Yoshiko Koizumi2,5,
  8. Dr. Akinori Saeki5,
  9. Prof. Dr. Shu Seki5,
  10. Prof. Dr. Takanori Fukushima2,3,*,
  11. Prof. Dr. Takuzo Aida1,2,*

Article first published online: 29 JUN 2012

DOI: 10.1002/anie.201203077

Issue

Angewandte Chemie International Edition

Angewandte Chemie International Edition

Volume 51, Issue 32, pages 7990–7993, August 6, 2012

Additional Information

How to Cite

Osawa, T., Kajitani, T., Hashizume, D., Ohsumi, H., Sasaki, S., Takata, M., Koizumi, Y., Saeki, A., Seki, S., Fukushima, T. and Aida, T. (2012), Wide-Range 2D Lattice Correlation Unveiled for Columnarly Assembled Triphenylene Hexacarboxylic Esters. Angew. Chem. Int. Ed., 51: 7990–7993. doi: 10.1002/anie.201203077

Author Information

  1. 1

    Department of Bioengineering, School of Engineering, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656 (Japan)

  2. 2

    RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan)

  3. 3

    Chemical Resources Laboratory, Tokyo Institute of Technology, R1-1 4259 Nagatsuta, Midori-ku, Yokohama 226-8503 (Japan)

  4. 4

    RIKEN SPring-8 Center, 1-1-1 Kouto, Sayo, Hyogo 679-5198 (Japan)

  5. 5

    Department of Applied Chemistry, Osaka University, 2-1 Yamadaoka, Suita, Osaka 565-0871 (Japan)

*RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198 (Japan)

  1. †

    This work was supported by KAKENHI (21350108 for T.F. and 23750170 for T.K.). The synchrotron X-ray diffraction experiments were performed at the BL45XU in the SPring-8 with the approval of the RIKEN SPring-8 Center (proposal 20100062 and 20110065).

Publication History

  1. Issue published online: 1 AUG 2012
  2. Article first published online: 29 JUN 2012
  3. Manuscript Received: 21 APR 2012

Funded by

  • KAKENHI. Grant Numbers: 21350108, 23750170

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Keywords:

  • liquid crystals;
  • organic semiconductors;
  • self-assembly;
  • X-ray diffraction
Thumbnail image of graphical abstract

Dipole bridge: Liquid-crystalline (LC) triphenylenes (see picture) self-assemble columnarly into a hexagonal geometry with a wide-range 2D lattice correlation, for which distal and proximal dipole–dipole interactions are considered responsible. By virtue of the strong intercolumnar interaction, the LC columns of the triphenylene can spontaneously align homeotropically on the 12 different substrates examined (POM=polarized optical microscopy).

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