| Budget Amount *help |
¥23,660,000 (Direct Cost: ¥18,200,000、Indirect Cost: ¥5,460,000)
Fiscal Year 2017: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2016: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2015: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
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| Outline of Final Research Achievements |
In this project, nanocarbon materials such as graphene and single-walled carbon nanotube (SWNT) were utilized as electron-acceptors (A), which were covalently linked with electron-donating photoactive molecules (D) such as porphyrin and pyrene. Photophysical properties of the D-A linked systems were investigated in detail. Time-resolved spectroscopic measurements of the D-A linked systems with systematically tuned linker lengths or dimerized D units revealed that the exciplex state plays a pivotal role in determining the photodynamics of these composites. In addition, we found that the incorporation of nanocarbon materials such as graphene and fullerene into an electron-transporting layer of perovskite solar cells improved the device performance.
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