Observation of Nanoconfinement Effect on the Kinetics of Hydrated Electron in the Nanoscale Water Pools of Water–AOT–Cyclohexane Microemulsions by Picosecond Pulse Radiolysis
Qingde Chen,
Sergey A. Denisov,
Denis Dobrovolskii
et al.
Abstract:The decay kinetics of the hydrated electron (e aq − ) in aerosol OT (AOT)-based ternary microemulsions with pool sizes ranging from 0.34 to 4.85 nm were studied using picosecond pulse radiolysis coupled with transient absorption UV−vis spectroscopy. Electron transfer from oil to water and the subsequent solvation occurred within a time resolution of 7 ps. The decay kinetics of e aq − were accurately modeled using a doubleexponential decay model, revealing the occurrence of two types of reactions, i.e., the rec… Show more
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