publication . Article . 2002

Spin dynamics and zero-field splitting constants of the triplet exciplex generated by photoinduced electron transfer reaction between erythrosin B and duroquinone

Tachikawa, Takashi; Kobori, Yasuhiro; Akiyama, Kimio; Katsuki, Akio; Steiner, Ulrich; Tero-Kubota, Shozo;
Open Access
  • Published: 01 Jan 2002 Journal: Chemical Physics Letters, volume 360, pages 13-21 (issn: 0009-2614, Copyright policy)
  • Publisher: Elsevier BV
  • Country: Germany
Abstract The spin dynamics of the duroquinone anion radical generated by photoinduced electron transfer reactions from triplet erythrosin B to duroquinone has been studied by using transient absorption and pulsed FT-EPR spectroscopy. Triplet exciplex formation as the reaction intermediate is verified by the observation of spin–orbit coupling induced electron spin polarization. The kinetic parameters for exciplex formation and the intrinsic enhancement factors of electron spin polarization are determined in various alcoholic solvents. The zero-field splitting constants of the triplet exciplex are determined by the analysis of the solvent viscosity dependence of t...
arXiv: Physics::Atomic and Molecular ClustersPhysics::Chemical Physics
free text keywords: Spin (physics), Duroquinone, chemistry.chemical_compound, chemistry, Electron transfer, Photochemistry, Ultrafast laser spectroscopy, Photoinduced electron transfer, Triplet state, Absorption spectroscopy, Zero field splitting, ddc:540
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