HYBRID PEROVSKITE MATERIAL PROCESSING
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United States of America Patent
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Issued Date -
Jun 16, 2022
app pub date -
Mar 7, 2022
filing date -
Mar 7, 2022
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Abstract
A method for preparing photoactive perovskite materials. The method comprises the steps of: introducing a lead halide and a first solvent to a first vessel and contacting the lead halide with the first solvent to dissolve the lead halide to form a lead halide solution, introducing a Group 1 metal halide a second solvent into a second vessel and contacting the Group 1 metal halide with the second solvent to dissolve the Group 1 metal halide to form a Group 1 metal halide solution, and contacting the lead halide solution with the Group 1 metal halide solution to form a thin-film precursor ink. The method further comprises 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.
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International Classification(s)
- H01L:SEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICE....
- B05D:PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MAT....
- C07C:ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C09D:COATING COMPOSITIONS, e.g. PAINTS, VARNISHES, LACQ....
- G03C:PHOTOSENSITIVE MATERIALS FOR PHOTOGRAPHIC PURPOSES....
- C01G:COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLAS....
- C01D:COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, ....
- H01G:CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWI....
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