| Budget Amount *help |
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2015: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
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| Outline of Final Research Achievements |
A thin silver film in which randomly perforated circular holes with 100 nm diameter exhibited wideband light absorption. It was found that this silver thin film with holes was able to replace the indium-tin-oxide transparent electrode in organic thin film solar cells. A bumpy metal-insulator-metal structure, which was fabricated with a colloidal lithography technique, exhibited ultra-wide-band light absorption. The absorption was larger than 50% in the ranging from 0.4 μm to 3.2 μm. It was found that an organic non-crystalline media, a J-aggregate cyanine dye, was able to support surface exciton polaritons (SEPs). Reflection dips observed in Kretschmann-Raether optical configuration were clear evidences of the excitation of SEPs on the cyanine dye surface.
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