| Budget Amount *help |
¥31,460,000 (Direct Cost: ¥24,200,000、Indirect Cost: ¥7,260,000)
Fiscal Year 2012: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2011: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2010: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2009: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
Fiscal Year 2008: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
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| Research Abstract |
In this study, we have developed a simple method based on self-organized phase segregation between two polymers, namely P3HT and polystyrene (PS), to produce nanoporous P3HT thin films. We also have found that rubbing the P3HT layer prior to PCBM deposition induces major morphological changes in the active layer and results in the formation of an ideal vertical donor-acceptor concentration gradient. The combination of these two major morphological changes leads to the fabrication of high performances solar cells which exhibit, to date, the record efficiencies for spin coated graded bilayers solar cells.
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