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Spin Polarization in the Photoexcitation of the Triplet State of Phenazine in a Rigid Glass
Author(s) -
Leva H.,
Weissman S. I.
Publication year - 1972
Publication title -
israel journal of chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.908
H-Index - 54
eISSN - 1869-5868
pISSN - 0021-2148
DOI - 10.1002/ijch.197200002
Subject(s) - chemistry , phenazine , photoexcitation , polarization (electrochemistry) , excited state , triplet state , population , kinetics , photochemistry , modulation (music) , molecular physics , atomic physics , physics , demography , quantum mechanics , sociology , acoustics , biochemistry
Phenazine dissolved in a rigid toluene glass is excited to its triplet state by illumination with a modulated light source. The ESR signal is modulated, the nature of the modulation depending on the kinetics of population and depopulation of the triplet sublevels. Modulation of the ESR signal varies across the spectrum because of the dependence of the kinetics on orientation.