| Budget Amount *help |
¥24,440,000 (Direct Cost: ¥18,800,000、Indirect Cost: ¥5,640,000)
Fiscal Year 2017: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2016: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Fiscal Year 2015: ¥9,230,000 (Direct Cost: ¥7,100,000、Indirect Cost: ¥2,130,000)
Fiscal Year 2014: ¥10,660,000 (Direct Cost: ¥8,200,000、Indirect Cost: ¥2,460,000)
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| Outline of Final Research Achievements |
In this research project, the mechanism of spin-inversion excitation was clarified to enable a significant expansion of the light absorption range by dye-sensitized solar cells, and device design was conducted to realize broadband and highly efficient dye-sensitized solar cells. Molecular designs of sensitizing dyes were obtained computationally to realize the extension of light absorption wavelength by sensitizing dyes. The development of a new method for the surface modification of TiO2 has led to the achievement of the world's highest photocurrent value (30 mAcm-2). We succeeded in achieving 21.5% energy conversion efficiency in multi-junction solar cells by combining wideband dye-sensitized solar cells and metal halide perovskite solar cells. Results obtained were far beyond the initial numerical targets.
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