A universal co-solvent dilution strategy enables facile and cost-effective fabrication of perovskite photovoltaics.

ABSTRACT: Cost management and toxic waste generation are two key issues that must be addressed before the commercialization of perovskite optoelectronic devices. We report a groundbreaking strategy for eco-friendly and cost-effective fabrication of highly efficient perovskite solar cells. This strategy involves the usage of a high volatility co-solvent, which dilutes perovskite precursors to a lower concentration (<0.5 M) while retaining similar film quality and device performance as a high concentration (>1.4 M) solution. More than 70% of toxic waste and material cost can be reduced. Mechanistic insights reveal ultra-rapid evaporation of the co-solvent together with beneficial alteration of the precursor colloidal chemistry upon dilution with co-solvent, which in-situ studies and theoretical simula

SUBMITTER: Zhang H 

PROVIDER: S-EPMC8748698 | biostudies-literature | 2022 Jan

REPOSITORIES: biostudies-literature