Publikation:

Magnetic Field and Temperature Dependencies Shed Light on the Recombination Kinetics of a Transition Metal Donor/Acceptor System

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Magnetic_Field_and_Temperature_Dependencies_Shed_Light_on_the_Recombination_Kinetics_of_a_Transition_Metal_Donor.pdf
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Datum

2005

Autor:innen

Feilitzsch, Till von
Härter, Peter
Schiemann, Olav
Michel-Beyerle, Maria Elisabeth
Gilch, Peter

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http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-46878
DOI (zitierfähiger Link)
https://doi.org/10.1021/ja0547174
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Attribution-NonCommercial-NoDerivs 2.0 Generic

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Open Access Green

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Chemie: Publikationen
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Published

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Journal of the American Chemical Society. 2005, 127(43), pp. 15228-15235. ISSN 0002-7863. eISSN 1520-5126. Available under: doi: 10.1021/ja0547174

Zusammenfassung

The radical pair recombination of an intramolecular electron-transfer system containing a transition metal moiety has been addressed by femtosecond spectroscopy. The radical pair is formed by ultrafast electron transfer (90 fs) from a ferrocene residue to a photoexcited Nile blue moiety. Its recombination proceeds on the picosecond time scale in a multiexponential fashion. The kinetic pattern is a manifestation of spin processes competing with electron transfer. Magnetic field effects on these kinetics allow one to disentangle the two contributions. Their temperature dependencies yield the activation parameters of the two processes. The discussion focuses on the mechanism of electron spin relaxation. Strong evidence for the Orbach/Kivelson mechanism will be given.

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540 Chemie

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ISO 690FEILITZSCH, Till von, Peter HÄRTER, Olav SCHIEMANN, Maria Elisabeth MICHEL-BEYERLE, Ulrich STEINER, Peter GILCH, 2005. Magnetic Field and Temperature Dependencies Shed Light on the Recombination Kinetics of a Transition Metal Donor/Acceptor System. In: Journal of the American Chemical Society. 2005, 127(43), pp. 15228-15235. ISSN 0002-7863. eISSN 1520-5126. Available under: doi: 10.1021/ja0547174
BibTex
@article{Feilitzsch2005Magne-9601,
  year={2005},
  doi={10.1021/ja0547174},
  title={Magnetic Field and Temperature Dependencies Shed Light on the Recombination Kinetics of a Transition Metal Donor/Acceptor System},
  number={43},
  volume={127},
  issn={0002-7863},
  journal={Journal of the American Chemical Society},
  pages={15228--15235},
  author={Feilitzsch, Till von and Härter, Peter and Schiemann, Olav and Michel-Beyerle, Maria Elisabeth and Steiner, Ulrich and Gilch, Peter}
}
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