2009
DOI: 10.1021/jp807088q
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Magnetophotoselection in the Spin-Polarized Triplet State Radical-Ion Pair Formed in the Photo-Induced Solvent-Mediated Electron Transfer Reaction from N,N-Diethylaniline to Xanthone in Viscous Solution

Abstract: The triplet state radical-ion pair (RIP) formed in the photolysis of xanthone (Xn) and N,N-diethylaniline (DEA) in a highly viscous mixtures of 2-propanol and cyclohexanol was studied by time-resolved ESR. As the viscosity of the mixed solution increases, the spectrum reveals a magnetic dipole-dipole interaction in the triplet state of the RIP. Immediately after laser photolysis, the spin-polarized RIP spectrum exhibits magnetophotoselection (MPS). This suggests that the electron transfer (ET) reaction is fast… Show more

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