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Regensburg 2016 – scientific programme

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HL: Fachverband Halbleiterphysik

HL 80: Hybrid and Perovskite Photovoltaics IV (Joint session of CPP, DF, DS and HL, organized by HL)

HL 80.12: Talk

Thursday, March 10, 2016, 18:00–18:15, H2

Dark field photoluminescence and scanning electron beam measurements on single organic/inorganic halide perovskites of varying geometry and composition — •Alexander Richter, Verena Hintermayr, Lakshminarayana Polavarapu, Alexander Urban, and Jochen Feldmann — Chair for Photonics and Optoelectronics, Department of Physics, Ludwig-Maximilians-Universität (LMU), Amalienstaße 54, 80799 Munich, Germany

During recent years organic/inorganic halide perovskites have become a promising candidate for photovoltaic applications and also show a huge potential for light emitting applications. In case of two dimensional crystals quantum confinement affects the optical properties. Here, we present results on individual nanocrystals. Perovskites fabricated with varying halide content and geometry are embedded in a polymer matrix film to prevent degradation. Dark field photoluminescence and scanning electron beam measurements on individual spots of the sample are carried out. This yields a direct link between shape, halide composition and photoluminescence of these particles.

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