Conformationally constrained macrocyclic diporphyrin-fullerene artificial photosynthetic reaction center.

ABSTRACT: Photosynthetic reaction centers convert excitation energy from absorbed sunlight into chemical potential energy in the form of a charge-separated state. The rates of the electron transfer reactions necessary to achieve long-lived, high-energy charge-separated states with high quantum yields are determined in part by precise control of the electronic coupling among the chromophores, donors, and acceptors and of the reaction energetics. Successful artificial photosynthetic reaction centers for solar energy conversion have similar requirements. Control of electronic coupling in particular necessitates chemical linkages between active component moieties that both mediate coupling and restrict conformational mobility so that only spatial arrangements that promote favorable coupling are populate

SUBMITTER: Garg V 

PROVIDER: S-EPMC3049968 | biostudies-literature | 2011 Mar

REPOSITORIES: biostudies-literature