Unconventional hydrogen-bond-directed hierarchical co-assembly between perylene bisimide and azobenzene-functionalized melamine

Shiki Yagai; Saori Hamamura; Hao Wang; Vladimir Stepanenko; Tomohiro Seki; Kanako Unoike; Yoshihiro Kikkawa; Takashi Karatsu; Akihide Kitamura; Frank Würthner

doi:10.1039/B912809C

Unconventional hydrogen-bond-directed hierarchical co-assembly between perylene bisimide and azobenzene-functionalized melamine†

Shiki Yagai,*^ab Saori Hamamura,‡^a Hao Wang,^c Vladimir Stepanenko,^c Tomohiro Seki,^a Kanako Unoike,^a Yoshihiro Kikkawa,^d Takashi Karatsu,^a Akihide Kitamura^a and Frank Würthner*^c

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^a Department of Applied Chemistry and Biotechnology, Graduate School of Engineering, Chiba University, 1-33 Yayoi-cho, Inage-ku, Japan
E-mail: yagai@faculty.chiba-u.jp
Fax: (+81) 43-290-3401

^b PRESTO, Japan Science Technology Agency (JST), 4-1-8 Honcho, Kawaguchi, Japan

^c Universität Würzburg, Institut für Organische Chemie and Röntgen Research Center for Complex Material Systems, Am Hubland, Würzburg, Germany
E-mail: wuerthner@chemie.uni-wuerzburg.de
Fax: (+49) 931-318-4756

^d Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), 1-1-1 Higashi, Tsukuba, Japan

Abstract

Co-assembly of ditopic perylene bisimide and azobenzene-functionalized melamine occurs with an unconventional stoichiometric ratio, providing well-defined nanostructures with a helically-coiled architecture where perylene chromophores are packed in desirable J-type arrangements.

Organic & Biomolecular Chemistry

Unconventional hydrogen-bond-directed hierarchical co-assembly between perylene bisimide and azobenzene-functionalized melamine†

Abstract

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Unconventional hydrogen-bond-directed hierarchical co-assembly between perylene bisimide and azobenzene-functionalized melamine

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