Photoinduced Symmetry-Breaking Charge Separation: The Direction of the Charge Transfer
✍ Scribed by Vesna Markovic; Diego Villamaina; Dr. Igor Barabanov; Dr. Latevi Max Lawson Daku; Prof. Dr. Eric Vauthey
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 386 KB
- Volume
- 123
- Category
- Article
- ISSN
- 0044-8249
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A strategy for increasing the yield of long-lived photoinduced charge separation in artificial photosynthetic reaction centers which is based on multiple electron transfer pathways operating in parallel has been investigated. Excitation of the porphyrin moiety of a carotenoid (C)-porphyrin (P)-napht
The photomcluced charge \cp.lration nntl chqqc transfer at the I~ountl:~ry bctwccn '3 tctraphcnylporphmc crystal and an aqut3xb clcctrode were observed wlth the porphyrin Iaycrs prepared on d goh.kodtcd ,tlurnuiiurn fad arid on a tr:in\parcn t msulating polynwr film.
Schematic representation of the photoinduced charge transfer from TPA-PAV to C 60 . F: fluorescence, P: phosphorescence, IC: intersystem crossing, ICT: intramolecular charge transfer, NR: nonradiation. [(TPA-PAV)-C 60 ] S\* and [(TPA-PAV)-C 60 ] T\* stand for the exciplex in the singlet and triplet