Complex and method for producing same
AssigneeKyoto University
InventorsAtsushi Wakamiya, Masashi Ozaki, Yasujiro Murata
Life of this patent
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Abstract
A complex has a structure of formula (1A): SnXn·(m)L, wherein X is at least one type of halogen atoms, L is a polar solvent molecule, n is a value from 1.5 to 2.5, and m is a value from 0.3 to 1.9. A perovskite compound has a structure of formula (2A): RSnXj, wherein Sn has an oxidation number from 1.5 to 2.5, R is at least one type of a monovalent cation, X is at least one type of halogen atoms, and j is a value from 2.5 to 3.5, and the perovskite compound is free of tin oxide; or a perovskite compound has a structure of formula (2B): R2M2BiX1, wherein R is at least one type of a monovalent cation, X is at least one type of halogen atoms; M2 is a monovalent metal, and i is a value from 5.0 to 7.0.
Claims20
A complex represented by formula (1A):
- SnXn·(m)L (1A)
- wherein X is at least one type of halogen atoms, L is a polar solvent molecule, n is a value from 1.5 to 2.5, and m is a value from 0.3 to 1.9.
A method for manufacturing a complex or a compound containing Sn or Bi, comprising:
- adding a poor solubility solvent to a polar solvent solution of a compound represented by formula (3):
- M1Xk to obtain a complex represented by formula (1):
- M1Xk·(m)L (1)
- wherein M1 is Sn or Bi, X is at least one type of halogen atom, L is a polar solvent molecule, k is a value from 1.5 to 3.5, and m is a value from 0.3 to 2.8.
A perovskite compound having a structure represented by formula (2A) or formula (2B):
- wherein the formula (2A) is RSnXj,
- and wherein Sn has an oxidation number from 1.5 to 2.5, R is at least one type of a monovalent cation, X is at least one type of halogen atoms, and j is a value from 2.5 to 3.5, and the perovskite compound is free of tin oxide,
- wherein the formula (2B) is R2M2BiXi,
- and wherein R is at least one type of a monovalent cation, X is at least one type of halogen atoms;
- M2 is a monovalent metal, and i is a value from 5.0 to 7.0.
Dependencies are inferred from the claim text.