Position dependent heavy atom effect in physical triplet quenching by electron donors

Steiner, Ulrich; Winter, Gerhard

Position dependent heavy atom effect in physical triplet quenching by electron donors

Dateien

Position_dependent_heavy_atom_effect_in_physical_triplet_quenching_by_electron_donors.pdfGröße: 445.64 KBDownloads: 541

Datum

1978

Autor:innen

Steiner, Ulrich

Winter, Gerhard

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Chemie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Chemical Physics Letters. 1978, 55(2), pp. 364-368. ISSN 0009-2614. Available under: doi: 10.1016/0009-2614(78)87040-7

Zusammenfassung

The radical yields and rate constants in the quenching reaction of thionine triplet with the complete series of monohalogen substituted anilines as electron donors were determined by flash spectroscopy. Whereas the quenching rate constants show little and unsystematic variation, the radical yields decrease with increasing spin orbit coupling constant of the halogen substituent. This effect is very sensitive to the position of the halogen in the donor. The results are explained in terms of a heavy atom effect on the intersystem crossing rate constant in a triplet exciplex.

Fachgebiet (DDC)

540 Chemie

Zitieren

ISO 690

STEINER, Ulrich, Gerhard WINTER, 1978. Position dependent heavy atom effect in physical triplet quenching by electron donors. In: Chemical Physics Letters. 1978, 55(2), pp. 364-368. ISSN 0009-2614. Available under: doi: 10.1016/0009-2614(78)87040-7

BibTex

@article{Steiner1978Posit-9771,
  year={1978},
  doi={10.1016/0009-2614(78)87040-7},
  title={Position dependent heavy atom effect in physical triplet quenching by electron donors},
  number={2},
  volume={55},
  issn={0009-2614},
  journal={Chemical Physics Letters},
  pages={364--368},
  author={Steiner, Ulrich and Winter, Gerhard}
}

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