| Budget Amount *help |
¥16,770,000 (Direct Cost: ¥12,900,000、Indirect Cost: ¥3,870,000)
Fiscal Year 2014: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2013: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Fiscal Year 2012: ¥5,980,000 (Direct Cost: ¥4,600,000、Indirect Cost: ¥1,380,000)
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| Outline of Final Research Achievements |
With visualizing carrier motion in organic semiconductor by using electric field induced optical second harmonic generation (EFISHG) measurement; we evaluated carrier behavior in the organic materials and devices. In particular, we could visualize anisotropic carrier transport in TIPS pentacene and the aligned polymer semiconductor. Carrier transport mechanism in the single crystalline TIPS pentacene could be also revealed on the basis of the temperature dependent measurements. The temperature dependent carrier mobility was in good agreement with the Marcus theory. Further, the EFISHG measurement allows us to analyze deeply the carrier behavior in the organic devices such as the organic light emitting diode and the organic solar cell. Finally, we proposed a novel experimental procedure that called "device spectroscopy" on the basis of the EFISHG measurement coupled with the other spectroscopic techniques.
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