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DPG

Berlin 2015 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 20: Poster IA (Ultrafast phenomena; Optical properties; Transport; Theory)

HL 20.15: Poster

Monday, March 16, 2015, 15:00–20:00, Poster B

Optical properties of organotin sulfide clusters — •Nils Rosemann1, Jens Eußner2, Stefanie Dehnen2, and Sangam Chatterjee11Faculty of Physics and Material Science Center, Philipps-Universität Marburg, Renthof 5,D-35032 Marburg, Germany — 2Faculty of Chemistry and Material Science Center, Philipps-Universität Marburg, Hans-Meerweinstraße,D-35043 Marburg, Germany

Chalcogenide-based clusters offer a large variety of structural and physical properties which can be further functionalized by adding various different ligands. By changing the combination of cluster and ligand, their properties can be tuned to fit the desired purpose, e.g., optimized light harvesting in organic solar cells or enhancing the efficiency of electrolysis of water for hydrogen production. To identify the impact of different ligands, we study a series of three different organotin-sulfide clusters, based on the same core but with different functional groups. Only by changing the ligand, the optical properties change drastically, e.g., disabling optical activity or changing from optical activity to dichroism.

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