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Antonio Abate

Helmholtz-Center, Germany

Title: Active materials for stable perovskite solar cells

Biography

Biography: Antonio Abate

Abstract

Organic-inorganic perovskites are quickly overrunning research activities in new materials for cost-effective and high-efficiency photovoltaic technologies.  Since the first demonstration from Kojima and co-workers in 2009, several perovskite-based solar cells have been reported and certified with rapidly improving power conversion efficiency.  Recent reports demonstrate that perovskites can compete with the most efficient inorganic materials, while they still allow processing from solution as a potential advantage to deliver a cost-effective solar technology.

Compare to the impressive progress in power conversion efficiency, stability studies are rather poor and often controversial.  An intrinsic complication comes from the fact that the stability of perovskite solar cells is strongly affected by any small difference in the device architecture, preparation procedure, materials composition and testing procedure.

In the present talk, we will focus on the stability of perovskite solar cells in working condition.  We will discuss a measuring protocol to extract reliable and reproducible ageing data.  We will present new materials and preparation procedures, which improve the device lifetime without giving up on high power conversion efficiency.