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Mainz 2017 – scientific programme

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MO: Fachverband Molekülphysik

MO 12: Posters 2: Molecular Dynamics, Clusters, and High Resolution Spectroscopy

MO 12.9: Poster

Wednesday, March 8, 2017, 17:00–19:00, P OG1

IR & UV/Vis spectroscopic studies on a luminescent heteroleptic mononuclear copper(I)-complex — •Merten Grupe1, Fabian Dietrich2, Stefan Bräse3, Markus Gerhards2, and Rolf Diller11Dept. of Physics, TU Kaiserslautern, 67663 Kaiserslautern — 2Dept. of Chem., TU Kaiserslautern, 67663 Kaiserslautern — 3Dept. of Org. Chem., KIT, 76131 Karlsruhe

Luminescence in copper-complexes is controlled by several photoinduced intra- and intermolecular processes, such as molecular flattening, intersystem crossing, solvation etc. For the elucidation of the underlying photophysics we employed femtosecond IR & UV/Vis transient absorption (TA) as well as transient anisotropy measurements and DFT calculations on a highly efficient luminescent heteroleptic mononuclear [1] copper(I)-complex. The results allow a rigorous comparison of the ultrafast dynamics in the UV/Vis spectral region with literature reports [2] [3] [4] on homoleptic copper(I)-complexes. Femtosecond IR TA facilitates an extended specification of the ultrafast processes in the heteroleptic mononuclear [1] copper(I)-complex.

[1] L. Bergmann et al. Chem. Commun., 2013, 49 6501

[2] M. Iwamura et al. Acc. Chem. Res., 2015, 48, 782-791

[3] G. B. Shaw et al. J. Am. Chem. Soc, 2007,129,2147-2160

[4] Z. A. Siddique et al. Inorganic Chemistry, 2003,42.20, 6366-6378.

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