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Macroscopic Spinning Chirality Memorized in Spin-Coated Films of Spatially Designed Dendritic Zinc Porphyrin J-Aggregates

Authors

  • Tatsuya Yamaguchi Dr.,

    1. Aida Nanospace Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), 2-41 Aomi, Koto-ku, Tokyo 135-0064, Japan, Fax: (+81) 3-5841-7310
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  • Tatsumi Kimura Dr.,

    1. Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki 305-8565, Japan
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  • Hiro Matsuda Dr.,

    1. Photonics Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 5, 1-1-1 Higashi Tsukuba, Ibaraki 305-8565, Japan
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  • Takuzo Aida Prof. Dr.

    1. Aida Nanospace Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), 2-41 Aomi, Koto-ku, Tokyo 135-0064, Japan, Fax: (+81) 3-5841-7310
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  • T.Y. thanks the JSPS Young Scientist Fellowship.

Abstract

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Supramolekulare Polymerisation dendritischer Zinkporphyrine mit zwei Carbonsäurefunktionalitäten (links) führt durch Multipunkt-π-Stapelwechselwirkungen zur Bildung von J-Aggregaten. Rotationsbeschichtung mit deren Lösungen liefert optisch aktive Filme, deren Chiralitätssinn über die Rotationsrichtung vorgegeben werden kann (rechts). Das chiroptische Gedächtnis ist bis zur Schmelztemperatur der Filme thermisch stabil.

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