Dual Spin Polarization of CIDEP in Benzil/Quencher Systems

DOI: 10.1021/j100167a011

Source and publish data:

Journal of Physical Chemistry p. 5401 - 5405 (1991)

Update date:2022-08-17

Topics:

Authors:

Okutsu, Tetsuo

Yano, Kouki

Kawai, Akio

Obi, Kinichi

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Article abstract of DOI:10.1021/j100167a011

Dual spin polarization of triplet benzil was investigated by the time-resolved ESR technique.Spin polarization of triplet benzil showed only absorption in rigid matrices at 77 K.However, the phase of CIDEP signals caused by the triplet mechanism showed absorption or emission depending on the concentration of quenchers at room temperature.Both polarizations were generated through a one-photon absorption process.Absorptive polarized radicals were produced from free benzil, whereas emissive polarized radicals were produced from benzil/quencher complex.

Full text of DOI:10.1021/j100167a011

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