IEEE Nanotechnology Council Chapter Meeting – X-factors that Might Determine How Perovskite Solar Cells are Deployed

Metal halide perovskite solar cells might be deployed as single junctions or in tandems that could consist of wide bandgap perovskites paired with silicon, copper indium gallium dye selenide or a narrow-bandgap perovskite. Modules might be made with singulated cells that are connected by wires or ribbons or in a monolithically integrated architecture made with several laser scribes. Researchers often discuss the efficiency, stability under standard operating conditions and cost of the various options when making the case that one approach is the most attractive. These factors are indisputably important, but there are other factors that do not get as much attention, but could end up determining which approach is the best one. We will discuss reverse bias degradation that can occur when a panel is partially shaded and comment on which architectures are likely to be the most resistant to this type of degradation. We will discuss why some architectures are likely to have higher yield than others and point out that laser scribing along with metal vias could introduce degradation mechanisms that are not seen in the cells that are frequently put through accelerated lifetime testing. Speaker(s): Prof.Michael McGehee, Virtual: https://events.vtools.ieee.org/m/355033