| Budget Amount *help |
¥17,290,000 (Direct Cost: ¥13,300,000、Indirect Cost: ¥3,990,000)
Fiscal Year 2020: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2019: ¥5,330,000 (Direct Cost: ¥4,100,000、Indirect Cost: ¥1,230,000)
Fiscal Year 2018: ¥6,630,000 (Direct Cost: ¥5,100,000、Indirect Cost: ¥1,530,000)
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| Outline of Final Research Achievements |
In this study, we aimed to construct durable molecular systems for artificial photosynthetic reactions. As one of the approaches to improve the stability, the encapsulation behaviors of molecular catalysts in supramolecular capsules were evaluated in detail. Furthermore, we succeeded in developing highly active CO2 reduction molecular catalysts which exhibit excellent selectivity even in aqueous media, where hydrogen evolution is favored. The catalyst was found to drive multi-electron reduction processes over the ligand geometry by maintaining the Co(II) oxidation state. Importantly, the Co(II) center promotes the activation of CO2 due to its phase matching character, while the activation of H+ is suppressed because of its phase mismatch. In addition, highly active molecular catalysts for O2 evolution and H2 evolution were also developed.
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