Abstract

Electron transporting membranes were used to improve the efficiency of charge separation in photoconversion systems. Multiphase systems were investigated using a liposomal membrane with a viologen electron relay/primary electron acceptor and flavine mononucleotide as the ultimate electron acceptor. A theoretical approach based on the concept of vectorial electron flow is described. This can be applied to the optimization of carrier-based photoconversion systems once the relevant kinetics parameters have become available. Attempts were made to improve the quantum yield of initial charge separation from the radical ion pair using an unsymmetrically metallated porphyrin dimer.

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