Abstract
The photogalvanic effect was studied for the Ru(bpy)/sub 3//sup 2 +/-benzenethiolate anion system. The illuminated electrode showed a negative potential against the dark one. The photocurrent was proportional to both light intensity and concentration of Ru(bpy)/sub 3//sup 2 +/, and the action spectrum coincided with the electronic absorption spectrum of Ru(bpy)/sub 3//sup 2 +/. The current generation mechanism was in agreement with the kinetic mechanism proposed for the previous flash photolysis study. The photogalvanic effect in this system is attributable to the formation of Ru(bpy)/sub 3//sup +/ from the electron transfer quenching of Ru(bpy)/sub 3//sup 2 +/ by benzenethiolate anion.
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