Revisiting Effects of Ligand-Capped Nanocrystals in Perovskite Solar Cells
ACS energy letters(2020)
摘要
Perovskite solar
cells adopting a layer of various nanocrystals
(NCs) on top of perovskite film exhibit similar enhancement of the
photovoltaic (PV) properties regardless of the kind of NC material,
even though NC materials possess different electrical and optical
properties. In this paper, we reveal that the key reason for the enhanced
PV performance is the surface passivation effect of the perovskite
film by oleylamine ligands of NCs.
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