Luminescent core/shell nanoparticles
    1.
    发明公开
    Luminescent core/shell nanoparticles 有权
    Lumineszente Kern-Mantel-Nanoteilchen

    公开(公告)号:EP1473348A1

    公开(公告)日:2004-11-03

    申请号:EP03009705.9

    申请日:2003-04-30

    IPC分类号: C09K11/02 C09K11/81

    摘要: The present invention relates to Luminescent nanoparticles comprising

    (a) a core made from a luminescent metal salt selected from phosphates, sulfates or fluorides, being surrounded by
    (b) a shell made from a metal salt or oxide capable of preventing or reducing energy transfer from the core after its electronic excitation to the surface of the nanoparticle, e.g. a shell made from a non-luminescent metal salt or oxide,
       which are characterized by higher quantum yields and can be used in various fields including light generation and security marking.

    摘要翻译: 本发明涉及发光纳米颗粒,其包含(a)由选自磷酸盐,硫酸盐或氟化物的发光金属盐制成的核心,被(b)由金属盐或氧化物制成的壳体包围,所述金属盐或氧化物能够预防或减少从 其核心在其电子激发到纳米颗粒的表面之后,例如 由非发光金属盐或氧化物制成的外壳,其特征在于较高的量子产率,可用于各种领域,包括发光和安全标记。