LUMINESCENT COMPOUND PARTICLE, AND LUMINESCENT COMPOUND PARTICLE COMPOSITION

• Main Authors: NAITO SHOTA, SUGIUCHI MIZUHO
• Format: Patent
• Language: English; Japanese
• Published: 10.03.2022
• Subjects: ADHESIVES; BASIC ELECTRIC ELEMENTS; CHEMISTRY; COMPOSITIONS BASED THEREON; COMPOSITIONS OF MACROMOLECULAR COMPOUNDS; COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F; DYES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR; ELECTRICITY; INORGANIC CHEMISTRY; MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE; METALLURGY; MISCELLANEOUS APPLICATIONS OF MATERIALS; MISCELLANEOUS COMPOSITIONS; NATURAL RESINS; ORGANIC MACROMOLECULAR COMPOUNDS; PAINTS; POLISHES; SEMICONDUCTOR DEVICES; THEIR PREPARATION OR CHEMICAL WORKING-UP; USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES ASCOMPOUNDING INGREDIENTS

To provide a luminescent particle material containing a perovskite compound excellent in light resistance.SOLUTION: A luminescent compound particle is a luminescent compound particle having a perovskite compound particle having a perovskite-type crystal structure [in a perovskite-type crystal structure, A is a constituent positioned at each apex of a hexahedron centered on B, and is a univalent cation, B is a constituent positioned at a center of a hexahedron arranged with A on its apex and an octahedron arranged with X on its apex, and is a metal ion, and X is a constituent positioned at each apex of an octahedron centered on B, and is one anion selected from the group consisting of a halide ion, and a thiocyanate ion] composed of A, B, and X as constituents, and having luminosity, a silicon compound layer formed on at least one part of the surface of the perovskite compound particle, and an average particle size of 1-100 nm.SELECTED DRAWING: Figure 1 【課題】耐光性に優れる、ペロブスカイト化合物を含む発光性粒子材料を提供すること。【解決手段】Ａ、Ｂ、及びＸを構成成分とするペロブスカイト型結晶構造[ペロブスカイト型結晶構造において、ＡはＢを中心とする６面体の各頂点に位置する成分であって、１価の陽イオンであり、ＢはＡを頂点に配置する６面体、及びＸを頂点に配置する８面体の中心に位置する成分であって、金属イオンであり、ＸはＢを中心とする８面体の各頂点に位置する成分であって、ハロゲン化物イオン、及びチオシアン酸イオンからなる群より選ばれる少なくとも一種の陰イオンである。］を有し、発光性を有するペロブスカイト化合物粒子と、該ペロブスカイト化合物粒子の表面の少なくとも一部に形成されたケイ素化合物層とを、有する発光性複合粒子であって、１～１００ｎｍの平均粒径を有する発光性複合粒子。【選択図】図１