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- Title
Remarkable Dependence of the Final Charge Separation Efficiency on the Donor-Acceptor Interaction in Photoinduced Electron Transfer.
- Authors
Higashino, Tomohiro; Yamada, Tomoki; Yamamoto, Masanori; Furube, Akihiro; Tkachenko, Nikolai V.; Miura, Taku; Kobori, Yasuhiro; Jono, Ryota; Yamashita, Koichi; Imahori, Hiroshi
- Abstract
The unprecedented dependence of final charge separation efficiency as a function of donor-acceptor interaction in covalently-linked molecules with a rectilinear rigid oligo-p-xylene bridge has been observed. Optimization of the donor-acceptor electronic coupling remarkably inhibits the undesirable rapid decay of the singlet charge-separated state to the ground state, yielding the final long-lived, triplet chargeseparated state with circa 100% efficiency. This finding is extremely useful for the rational design of artificial photosynthesis and organic photovoltaic cells toward efficient solar energy conversion.
- Subjects
SINGLET state (Quantum mechanics); GROUND state (Quantum mechanics); QUANTUM states; ARTIFICIAL photosynthesis; PHOTOVOLTAIC cells; SOLAR energy conversion
- Publication
Angewandte Chemie International Edition, 2016, Vol 55, Issue 2, p629
- ISSN
1433-7851
- Publication type
Article
- DOI
10.1002/anie.201509067