| Budget Amount *help |
¥75,660,000 (Direct Cost: ¥58,200,000、Indirect Cost: ¥17,460,000)
Fiscal Year 2024: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
Fiscal Year 2023: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
Fiscal Year 2022: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
Fiscal Year 2021: ¥13,910,000 (Direct Cost: ¥10,700,000、Indirect Cost: ¥3,210,000)
Fiscal Year 2020: ¥17,680,000 (Direct Cost: ¥13,600,000、Indirect Cost: ¥4,080,000)
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| Outline of Final Research Achievements |
Toward understanding the spatiotemporal dynamics of dynamic excitons, we evaluated and analyzed photoelectric and dielectric dynamics using a unique microwave spectroscopy (TRMC) method. Using a newly developed time-of-flight (TOF)-TRMC simultaneous measurement device, we directly evaluated the mobility relaxation of holes and electrons in polymer:fullerene (non-fullerene) solar cells, and found that this spatiotemporal mobility relaxation correlates with solar cell performance. Furthermore, using semi-empirical equations and machine learning models, we have for the first time clarified the dominant factors that influence solar cell performance under complex conditions. Additionally, we designed and synthesized new donor-acceptor polymers and model molecules, and elucidated the effects of halogen substitution and quadrupole moments on the dynamic effects of polymers and device performance.
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