| Budget Amount *help |
¥217,490,000 (Direct Cost: ¥167,300,000、Indirect Cost: ¥50,190,000)
Fiscal Year 2017: ¥27,430,000 (Direct Cost: ¥21,100,000、Indirect Cost: ¥6,330,000)
Fiscal Year 2016: ¥27,430,000 (Direct Cost: ¥21,100,000、Indirect Cost: ¥6,330,000)
Fiscal Year 2015: ¥30,160,000 (Direct Cost: ¥23,200,000、Indirect Cost: ¥6,960,000)
Fiscal Year 2014: ¥76,830,000 (Direct Cost: ¥59,100,000、Indirect Cost: ¥17,730,000)
Fiscal Year 2013: ¥55,640,000 (Direct Cost: ¥42,800,000、Indirect Cost: ¥12,840,000)
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| Outline of Final Research Achievements |
Our comprehensive researches revealed that the linker structures in the porphyrin-nanocarbon covalent composites have a large impact on their optical and photophysical properties. Specifically, moderate length-spacers between donor and acceptor were found to be essential to produce a long-lived charge-separated state efficiently. Fast decay of photoinduced charge-transfer states (i.e., exciplex state) to the ground state was observed in not only simple donor-acceptor linked systems, but also more complex dye-semiconducting electrode interface for dye-sensitized solar cells and donor-acceptor mixed interface for organic thin film solar cells. Integrated views and interpretation on the undesirable unique phenomena have been developed to give us a universal guideline on efficient photoinduced charge separation.
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