Spin relaxation parameters in recombining radical ion pair (diphenylsulfide-d10)+/(p-Terphenyl-d14)− obtained by OD ESR and quantum beats techniques |
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| Authors: | V A Bagryansky O M Usov N N Lukzen Yu N Molin |
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| Institution: | 1. Institute of Chemical Kinetics and Combustion, Institutskaya Str. 3, 630090, Novosibirsk, Russian Federation
2. International Tomography Center, Novosibirsk, Russian Federation
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| Abstract: | Parameters of paramagnetic relaxation were determined by OD ESR and quantum beats techniques for a recombining pair of radical ions (DPS-d10)+/(PTP-d14)? inn-hexane, isooctane,cis-decalin, and squalane solutions. TheT 2 relaxation time determined by quantum beats technique is independent of solvent viscosity and magnetic field strength in the range 170–9600 G. These data are in agreement with the results obtained by OD ESR technique assuming fastT 1 relaxation for radical cation. Neglecting the contribution of radical anion relaxation, we obtainedT 1c=T 2c?50 ns for (DPS-d10)+. |
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