| Budget Amount *help |
¥28,210,000 (Direct Cost: ¥21,700,000、Indirect Cost: ¥6,510,000)
Fiscal Year 2013: ¥9,360,000 (Direct Cost: ¥7,200,000、Indirect Cost: ¥2,160,000)
Fiscal Year 2012: ¥8,450,000 (Direct Cost: ¥6,500,000、Indirect Cost: ¥1,950,000)
Fiscal Year 2011: ¥10,400,000 (Direct Cost: ¥8,000,000、Indirect Cost: ¥2,400,000)
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| Research Abstract |
We developed experimental and analytical methods that can be applied to working organic solar cells to reveal the carrier recombination kinetics. We also fabricated solar cells with a solar conversion efficiency up to 7%, and used them as samples. It has been found that under open-circuit conditions carriers recombine via an ideal bimolecular recombination manner, whereas carriers formed in crystalline regions are extracted without a loss under short-circuit conditions. In addition, we elucidated the recombination kinetics at working points between open and short-circuit conditions, where trapped carriers play an important role.
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