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Title

Resonant and Phonon-Assisted Excitation Energy Transfer within the R1 Lines of [Cr(Ox)3]3- in a System with Two Crystallographically Non-equivalent Lattice Sites

Authors
Hazenkamp-von Arx, Marianne Elisabeth
Published in Journal of Physical Chemistry. A. 2002, vol. 106, no. 31, p. 7106-7112
Abstract The [Ru(bpy)3][LiCr(ox)3] system (bpy = 2,2'-bipyridine, ox = oxalate) has two crystallographically non-equivalent [Cr(ox)3]3- sites. In steady-state resonant and nonresonant fluorescence line narrowing (FLN) experiments on the R1 lines of the two non-equivalent [Cr(ox)3]3- chromophores, multiline spectra are observed at 1.6 K. Such multiline spectra are clear evidence for resonant energy transfer processes within the inhomogeneously broadened R1 lines. In addition, time-resolved experiments show that also site-to-site energy transfer occurs, which turns out to be resonant, too, however with a non-negligible phonon-assisted contribution even at 1.5 K.
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Research group Groupe Hauser
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HAZENKAMP-VON ARX, Marianne Elisabeth, HAUSER, Andreas. Resonant and Phonon-Assisted Excitation Energy Transfer within the R1 Lines of [Cr(Ox)3]3- in a System with Two Crystallographically Non-equivalent Lattice Sites. In: Journal of Physical Chemistry. A, 2002, vol. 106, n° 31, p. 7106-7112. https://archive-ouverte.unige.ch/unige:3683

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Deposited on : 2009-10-06

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