| Budget Amount *help |
¥43,810,000 (Direct Cost: ¥33,700,000、Indirect Cost: ¥10,110,000)
Fiscal Year 2013: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000)
Fiscal Year 2012: ¥6,240,000 (Direct Cost: ¥4,800,000、Indirect Cost: ¥1,440,000)
Fiscal Year 2011: ¥14,300,000 (Direct Cost: ¥11,000,000、Indirect Cost: ¥3,300,000)
Fiscal Year 2010: ¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
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| Outline of Final Research Achievements |
In this project, we have developed a new concept for the construction of organic supramolecular nanoassembly and prepared key organic pi-electron systems for the studies on their multifunctional properties. We have successfully synthesized a series of giant conjugated macrocycles and constructed their self-assembled nanostructures. The most remarkable properties were obtained from pi-expanded macrocyclic oligothiophene 6-mer and 8-mer. The 6-mer showed a thermally reversible polymorphism, which was applied to either fluorescence switching or switching of field effect transistor (FET) activity and electrical conductivity. The 8-mer formed a Saturn-like complex with C60 in the solid state, and this complex exhibited repeatable and stable instantaneous response of photocurrent.
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