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Direct detection of the photoinduced charge-separated state in a Ru(II) bis(terpyridine)-polyoxometalate molecular dyad

Luo, Yusen; Wächtler, Maria; Barthelmes, Kevin; Winter, Andreas; Schubert, Ulrich S.; Dietzek, Benjamin
in: Chemical Communications (2018) 2970

Observation of photoinduced intramolecular charge-separation is difficult for photosensitizer-POM dyads because of rapid backward electron-transfer. We report here for the first time on a long-lived charge-separated state (τ = 470 ns) observed in a Ru(II) bis(terpyridine)-based dyad. Charge-separation occurs despite virtually no driving force exists and the short intrinsic excited-state lifetime of the photosensitizer.

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