Berlin 2012 – wissenschaftliches Programm

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DS: Fachverband Dünne Schichten

DS 44: Poster IV: Thin film photovoltaics; Organic electronics and photovoltaics (jointly with CPP, HL, O); Organic thin films; Trends in atomic layer deposition (Focused session)

DS 44.26: Poster

Freitag, 30. März 2012, 09:30–12:00, Poster E

Metallic nano-particles embedded in small molecule organic solar cells (OSCs) : Optical and electrical effects. — •Till Hoheisel, Andreas Hille, André Merten, Moritz Riede, Lukas M. Eng, and Karl Leo — IAPP, TU Dresden

OSCs have the potential to provide electrical energy in a resource saving way by combining small material consumption with low temperature production processes in comparison to silicon solar cells. The thickness and absorption in OSCs is currently limited by the mobility of photo-generated excitons. We have systematically investigated the effect of plasmon active metallic nano-structures for enhancing the electromagnetic field close to the absorbing layers. We show that enhanced absorption inside typical organic solar cell material single layers is due to metallic nano-particles. The electrical effects of metallic nano-particles inside vacuum processed small molecule solar cells are investigated by varying the distance between the nano-particle layer and the absorber layer.