Construction of Nano-organized Systems Compared of Designed Metal Complexes

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Since the discovery of mesoporous MCM-41 having a hexagonally ordered structure, manipulation of inorganic superstructures under a template effect of organic supramolecular aggregates has been a highly active area of research. Sol-gel polymerization of inorganic precursors at the surface of aggregates (templates) allowed the creation of highly ordered organic-inorganic composites by exploiting non-covalent interactions as electrostatic, hydrogen-bonding, and van der Waals interaction. The deposition of inorganic walls around organic aggregates also preserved the morphologies of flexible organic supramolecular structures. π-Conjugated disc-like molecules as triphenylene and metallophthalocyanine are attractive building units for the formation of highly ordered columnar stacks.^<4)> These ordered stacks might enable an efficient electron and/or energy transport parallel to the columnar axis. In order to obtain ordered stacks of disc-like molecules, a number of chemical and physical techniques involving liquid crystal, vacuum deposition, and Langmuir-Blodgett film transfer have been investigated. In this project, we investigated the precise control of nano-organized molecular systems using designed molecular disks.