Title:
有機アンモニウム・無機層状ペロブスカイト化合物薄膜の作製方法
Document Type and Number:
Japanese Patent JP4412812
Kind Code:
B2
Abstract:
A method for preparing a layered perovskite compound thin film having a film thickness and structure controlled at a monomolecular layer and capable of combining various layered perovskite compounds at the level of a monomolecular layer. The method a superlattice structure represented by the general formula A2MX4 where A is an organic ammonium molecule, M is a group 4 element or transition metal and X is halogen layers of organic ammonium molecule "A" and layers of inorganic halide "MX4" are alternately stacked. A monomolecular film of an organic amine hydrohalic acid salt having a long-chain alkyl group is spread out on the surface of a water solution of an inorganic halide MX2 and a methylamine hydrohalic acid salt. By leaving the monomolecular film, a layered perovskite compound monomolecular film is formed on the surface of the water solution. This layered perovskite monomolecular film is transferred and stacked onto a substrate on a one by one basis by using the Langmuir-Blodgett method.
Inventors:
Era Honest
Application Number:
JP2000147507A
Publication Date:
February 10, 2010
Filing Date:
May 15, 2000
Export Citation:
Assignee:
Japan Science and Technology Agency
International Classes:
C01G3/14; C23C26/00; C01G21/00; C07F7/00; C09B44/02; C09B55/00; C09B67/02; C09B69/02; C30B7/00; C30B29/54; H01L51/50
Domestic Patent References:
| JP11140656A | ||||
| JP10316685A | ||||
| JP2281047A | ||||
| JP2001055568A |
Attorney, Agent or Firm:
Yoshiyuki Nishi