Abstract

The systems consisting of phenosafranin or thionine dye in the presence of phospholipid liposome in aqueous solution generate photovoltage when studied in a photoelectrochemical cell. A possible mechanism of photovoltage generation suggests the photoinduced electron transfer from phospholipid to dye in liposome through charge-transfer (CT) interaction. In these dye-phospholipid systems, a good correlation between the photovoltage (V oc) determined by photoelectrochemical studies and the equilibrium constant ( K c) determined by spectrophotometric studies, confirms the mechanism.

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