Shell light-emitting crystal

The present invention relates to the field of core-shell luminescent crystals (LC), components and devices comprising such luminescent crystals. Specifically, the present invention relates to the manufacture of luminescent core-shell nanocrystals wherein the nanocrystal core comprises or consists of perovskite crystals having a size of 3-100 nm and the nanocrystal shell comprises a metal oxide having a thickness of 0.5-10 nm, and wherein the method comprises combining suitable starting materials under anaerobic conditions. The invention further provides specific luminescent core-shell nanocrystals, parts and products containing such luminescent core-shell nanocrystals. 本发明涉及核-壳型发光晶体(LC)，包含该发光晶体的部件和装置领域。具体地，本发明涉及发光核-壳纳米晶体的制造，其中所述纳米晶体核包含尺寸3-100nm的钙钛矿晶体或由其组成，和所述纳米晶体壳包含厚度0.5-10nm的金属氧化物，和其中所述方法包括将合适的起始材料在无氧条件下合并。本发明进一步提供特定的发光核-壳纳米晶体，提供含有这种发光核-壳纳米晶体的部件和产品。