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The photosensitized electron-transfer processes in the rotaxane hybrids composed with electron-accepting fullerenes and various electron-donors placed in the rotaxanes are revealed with time-resolved fluorescence and absorption spectral methods. Porphyrins are most useful as light-harvesting donors and photosensitizing donors. In addition, aromatic amines and ferrocene act as electron-donor and also...
Lifetimes of the photoinduced charge-separated states for composite molecular systems of covalently bonded fullerenes with electron donors are usually very long compared with those of the flat electron-acceptor molecules with functional groups such as keton and cyano-groups. In order to confirm such long-lived charge-separated states, it is very important to carefully identify the transient radical...
The attainment of a better understanding of the dependence of photoinduced electron transfer reaction rates on the molecular structures of the donor and acceptor entities results in improving the capture and storage of solar energy. Here, the intermolecular and supramolecular electron transfer processes from electron donors (porphyrins (P), chlorophylls (Chl), phthalocyanines (Pc) and naphthalocyanines...
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