| Budget Amount *help |
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2010: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2009: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2008: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
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| Research Abstract |
We have examined that photoluminescence (PL) properties of core/shell-type semiconductor quantum dots (QDs) CdSe/ZnS are improved by the interaction with the polymers in solution. Next, we have studied the PL properties (spectra, lifetime, blinking) in both macroscopic and single QD level by the interaction with metal and TiO_2 nanoparticles and found out the blinking property of single QDs can be improved by the interaction with TiO_2. Further, we have observed a novel effect of solvent molecules on femtosecond optical phase relaxation of QDs in solutions.
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