| Budget Amount *help |
¥17,420,000 (Direct Cost: ¥13,400,000、Indirect Cost: ¥4,020,000)
Fiscal Year 2020: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2019: ¥7,280,000 (Direct Cost: ¥5,600,000、Indirect Cost: ¥1,680,000)
Fiscal Year 2018: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
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| Outline of Final Research Achievements |
To elucidate the characteristics of current-injection organic semiconductor lasers, we studied the oscillation conditions in distributed feedback resonators used in current-injection organic semiconductor lasers. As a result, it was found that not only oscillation at the stopband edge due to coupling between the same mode, which was conventionally considered, but also oscillation at the mini-stopband edge due to coupling between different modes was observed.
In addition, we developed a new structure of light-emitting field-effect transistor using organic semiconductor single-crystals in which the charge transport function and the light-emission function are separated in different materials, and demonstrated the operation of the transistor.
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