LUMINESCENT NANOSTRUCTURE COMPOSITE CERAMIC MATERIAL Russian patent published in 2010 - IPC C09K11/64 C09K11/59 C09K11/55 B82B1/00 

FIELD: chemistry.

SUBSTANCE: invention can be used in designing light-emitting devices, for example indicating lights and traffic lights. The luminescent nanostructure composite material is based on 53.1-99.0 wt % α-Al₂O₃ matrix with particle size from 200 to 2000 nm, containing dispersed nanocrystalline ceramic phases: a first nanostructure component containing Si in amount of 0.9-39.9 wt % and a second nanostructure component in form of magnesium-aluminate MgAl₂O₄ in amount of 0.1-7 wt %. The first nanostructure component is 3Al₂O₃*2SiO₂, Al₂O₃*SiO₂ or a combination of the said aluminium silicates in any volume ratio. Particle size of the first and second components ranges from 1 to 100 nm.

EFFECT: material with intense red colour radiation in the 680-700 nm range is obtained.

1 tbl, 1 dwg, 12 ex