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Supramolecular Complex of Pyridylnaphthalenediimide with Zinc Porphyrin Dendrimer Having Multiplicity of Artificial Photosynthetic Reaction Center
Supramolecular Complex of Pyridylnaphthalenediimide with Zinc Porphyrin Dendrimer Having Multiplicity of Artificial Photosynthetic Reaction Center
A light energy conversion system having a multiplicity of artificial photosynthetic reaction centers and exhibiting a high light-harvesting capability and charge separation capability, constructed by the use of a zinc porphyrin dendrimer supramolecular complex formed by the use of a coordinate bond. Using a zinc porphyrin dendrimer as a spherical zinc porphyrin oligomer, a supramolecule with pyridylnaphthalenediimide was constructed. With respect to the zinc porphyrin dendrimer/pyridylnaphthalenediimide supramolecule, when photoexcitation of the zinc porphyrin was realized, a charge-separated state was generated by photoinduced electron transfer and the lifetime thereof was strikingly long, up to 830 microseconds.
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