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DPG

Berlin 2015 – wissenschaftliches Programm

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MM: Fachverband Metall- und Materialphysik

MM 57: Frontiers of Electronic Structure Theory: Many-body Effects on the Nano-scale

MM 57.1: Hauptvortrag

Freitag, 20. März 2015, 09:30–10:00, H 0105

Excitations and charge transfer phenomena in C based systems — •Elisa Molinari — University of Modena and Reggio Emilia, Modena, Italy — CNR, Istituto Nanoscienze, Modena, Italy

Excitonic effects control excitations and optical spectra in graphene-based nanostructures and related polymers [1], as well as in interacting C-based molecular systems of relevance for photovoltaics [2]. I will show results from ab-initio many body perturbation theory and discuss their implications for spectroscopies and for a realistic description of ultrafast charge separation phenomena.

[1] R. Denk et al, Nat Commun 5, 4253 (2014); A. Batra et al, Chem Sci 5, 4419-4423 (2014); L. Massimi et al, J. Phys. Chem C, in press. [2] S. M. Falke et al, Science 344, 1001-1005 (2014).

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