Regensburg 2016 – wissenschaftliches Programm

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SYHP: Symposium Fundamentals of Hybrid and Perovskite Photovoltaics

SYHP 1: Fundamentals of Hybrid and Perovskite Photovoltaics

SYHP 1.2: Hauptvortrag

Montag, 7. März 2016, 10:00–10:30, H1

Perovskite Solar Cells: A new Paradigm in Photovoltaics — •Mohammad Nazeeruddin — EPFL, GMF, Sion Switzerland

Perovskite solar cells exhibited significant leapfrog in efficiency due to a broad absorption, high optical absorption coefficient, very low exciton binding energy, long carrier diffusion lengths, efficient charge collection, and very high open circuit potential similar to III-IV semiconductors. Unlike silicon solar cells, perovskite solar cells can be developed a variety of low-temperature solution process from inexpensive raw materials. By engineering compositional ratio of perovskite absorber, film formation using anti-solvent, and interface engineering of charge transport materials a remarkable power conversion efficiency of over 21% has been demonstrated, highlighting the unique photovoltaic properties of perovskite materials. In this talk, we present the current progress in perovskite solar cells, various deposition methods for perovskite absorbing layer, synthesis and characterization of novel hole transporting materials, and highlight crucial challenges and prospects