Dynamic Studies on Electron Transport Across Micellar Phase. Intermicellar Migration of Hydrated Electrons

The dynamics of hydrated electrons generated by pulsed electron beams was studied for micellar systems with a series of halogenated naphthalenes as substrates exclusively dissolved in micellar phase. Time behavior of absorption for hydrated electrons, displayed as a curve consisting of two exponential decays, affords evidence that two different routes exist in advance of dissociative electron attachement: 1) direct penetration of electrons through micellar phase with substrates, and 2) migration of hydrated electrons between micells in the absence and presence of substrates, prior to the penetration of electrons into the reactive center in the micelle. Electrostatic interaction of hydrated electrons with positively charged surface of micelles is also discussed.