Comparison of the photovoltaic response of oleylamine and inorganic ligand-capped CuInSe2 nanocrystals.
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Thin film photovoltaic devices (PVs) were fabricated with CuInSe(2) (CIS) nanocrystals capped with either oleylamine, inorganic metal chalcogenide-hydrazinium complexes (MCC), or S(2-), HS(-), and OH(-). A CIS nanocrystal layer deposited from solvent-based inks without high temperature processing served as the active light-absorbing material in the devices. The MCC ligand-capped CIS nanocrystal PVs exhibited power conversion efficiency under AM1.5 illumination (1.7%) comparable to the oleylamine-capped CIS nanocrystals (1.6%), but with significantly thinner absorber layers. S(2-)-capped CIS nanocrystals could be deposited from aqueous dispersions, but exhibited lower photovoltaic performance.
ACS Appl Mater Interfaces
author list (cited authors)
Stolle, C. J., Panthani, M. G., Harvey, T. B., Akhavan, V. A., & Korgel, B. A
complete list of authors
Stolle, C Jackson||Panthani, Matthew G||Harvey, Taylor B||Akhavan, Vahid A||Korgel, Brian A