Patent ID: 11953821
Assignee: CUBICPV INC.
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC G  B  C  H  Y | IPC B  C  G  H

Claim 0:
1. A method comprising the steps of:
preparing a thin-film precursor ink comprising a lead halide and a Group 1 metal halide, wherein the thin-film precursor ink has a molar concentration of the Group 1 metal halide that is between 1% and 25% of the molar concentration of the lead halide;
depositing the thin-film precursor ink onto a substrate;
drying the thin-film precursor ink to form a thin film;
annealing the thin film; and
rinsing the thin film with a salt solution comprising a solvent and a salt.