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Scientific article
English

Resonant and phonon-assisted excitation energy transfer in the R1 line of [Cr(ox)3]3-

Published inPhysical review. B, Condensed matter and materials physics, vol. 54, no. 22, p. 15800-15807
Publication date1996
Abstract

In resonant fluorescence line narrowing (FLN) experiments in the R1 transition of the [Cr(ox)3]3- chromophore in [Ru(bpy)3][NaAl:Cr(1%)(ox)3] and [Rh(bpy)3][NaCr(ox)3]ClO4 multiline spectra are observed at 1.8 K, (ox=oxalate, bpy=2,2'-bipyridine). For [Rh(bpy)3][NaCr(ox)3]ClO4 the number of lines and their relative intensities depend critically upon the excitation wavelength within the inhomogeneous distribution, and in time-resolved FLN experiments additionally upon the delay. This behavior is clear evidence for a resonant energy-transfer process. At 4.2 K the more common phonon-assisted process becomes dominant, manifesting itself as spectral diffusion.

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Citation (ISO format)
HAZENKAMP-VON ARX, Marianne Elisabeth et al. Resonant and phonon-assisted excitation energy transfer in the R1 line of [Cr(ox)3]3-. In: Physical review. B, Condensed matter and materials physics, 1996, vol. 54, n° 22, p. 15800–15807. doi: 10.1103/PhysRevB.54.15800
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ISSN of the journal1098-0121
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