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Nanoscale heterogeneity in halide perovskites: the good, the bad and the ugly
This talk has been part of the HOPV22 conference that took place in Valencia. Halide perovskite semiconductors are generating enormous excitement for next-generation photovoltaics in both single junction and tandem device forms. Their performance is striking given that these absorber layers are rife with heterogeneity on the nanoscale in their structural, chemical and optoelectronic properties. […]
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Defect densities and charge carrier lifetimes in lead-halide perovskites
This talk has been part of the HOPV22 conference that took place in Valencia. In order to further improve the efficiencies and in particular the open-circuit voltages of perovskite solar cells it is important to understand non-radiative recombination and their relation to defect densities. In this talk, I will discuss our recent findings on how […]
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