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Erlangen 2018 – scientific programme

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MO: Fachverband Molekülphysik

MO 13: Posters 1: Ultrafast Spectroscopy

MO 13.11: Poster

Tuesday, March 6, 2018, 16:15–18:15, Orangerie

Ultrafast processes in luminescent mono- and dinuclear copper(I)-complexes — •Merten Grupe1, Florian Bäppler1, Manuel Zimmer2, 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

Copper(I)-complexes play a crucial role for the design of efficient and sustainable light emitters. To get a profound understanding of luminescence, controlled by photoinduced intra- and intermolecular processes, such as molecular flattening, intersystem crossing, solvation etc. we employed femtosecond UV/Vis transient absorption (TA) on mono[1]- and dinuclear[2][3][4] copper(I)-complexes. The results allow a rigorous comparison of the respective ultrafast dynamics in solution and solid phase, possibly controlled by metal-metal cooperativity. For the elucidation of molecular flattening we employed femtosecond mid-IR TA on a heteroleptic mononuclear copper(I)-complex.

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

[2] F. Bäppler et al. PCCP, 2017

[3] D. Volz et al. Chem. Mater., 2013

[4] Wallesch et al. Chem. Eur. J., 2016

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