| Budget Amount *help |
¥14,820,000 (Direct Cost: ¥11,400,000、Indirect Cost: ¥3,420,000)
Fiscal Year 2014: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2013: ¥2,600,000 (Direct Cost: ¥2,000,000、Indirect Cost: ¥600,000)
Fiscal Year 2012: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Fiscal Year 2011: ¥6,890,000 (Direct Cost: ¥5,300,000、Indirect Cost: ¥1,590,000)
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| Outline of Final Research Achievements |
Dye sensitized solar cell and photorechargeable battery, in which the function of battery is added to solar cell, are expected as the next-generation solar devices with their low cost and small environmental load. In order to enhance the mobility of photoexcited carriers and the efficiency of photocharge, we adopted nonwoven fabrics which are consisted with nanofibers of several tens of nm in diameter prepared with electro spinning method. By using the transparent conductive nanofibers of niobium-doped titanium dioxide, the carrier velocity was enhanced seriously with coating the surface of nanofibers. Furthermore, the insertion efficiency of cations was increased by the nanofibers of storage material. The fundamental information was also obtained for the realization of flexible solar devices using nonwoven fabrics made of nanofibers.
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