| Budget Amount *help |
¥41,990,000 (Direct Cost: ¥32,300,000、Indirect Cost: ¥9,690,000)
Fiscal Year 2016: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2015: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2014: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2013: ¥7,800,000 (Direct Cost: ¥6,000,000、Indirect Cost: ¥1,800,000)
Fiscal Year 2012: ¥10,790,000 (Direct Cost: ¥8,300,000、Indirect Cost: ¥2,490,000)
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| Outline of Final Research Achievements |
Optical and electronic properties of element block materials such as Eu complex polymers and chemically-modified graphene nanodots have been studied. It has been shown that high mobility observed in organic field transistors with top-gate configuration is due to highly-ordered structures spontaneously formed at organic-semiconductor surfaces. Field-effect mobility of 10 cm2/Vs has been observed in the organic transistors based on a polycrystalline organic semiconductor. Device operation mechanisms have been elucidated in inverted organic light-emitting diodes that play an essential role as display devices for flexible displays. The usefulness of device simulation for the prediction of optimum thickness of bulk heterojunction of organic solar cells has been demonstrated. A method for simultaneous determination of drift mobility, lifetime and localized-state distribution characterizing transport properties of organic semiconductors, based on impedance spectroscopy, has been proposed.
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