Nanometer-sized up-converting phosphor fluoride particles and process of preparation
    8.
    发明申请
    Nanometer-sized up-converting phosphor fluoride particles and process of preparation 有权
    纳米级上转换氟化磷颗粒及其制备方法

    公开(公告)号:US20060003466A1

    公开(公告)日:2006-01-05

    申请号:US10511363

    申请日:2003-04-15

    IPC分类号: G01N33/553

    摘要: Nanometer-scaled up-converting fluoride phosphor particles and processes of making them are disclosed. In the process, an aqueous solution consisting of soluble salts of rare-earth metal ions at a molar ratio of (yttrium, lanthanum or gadolinium): ytterbium:(erbium, holmium, terbium or thulium)=(70-90):(0-29):(0.001-15) is mixed a rare-earth metal chelator and a soluble fluoride salt to form precipitates, which are then annealed at an elevated temperature to produce nanometer-scaled up-converting fluoride phosphor particles. The particle size is between 35 nm and 200 nm, and can be controlled by the amount of the metal chelator added to the solution. The nanometer-sized particle is applicable to many biological assays.

    摘要翻译: 公开了纳米级上转换氟化物荧光体颗粒及其制备方法。 在该方法中,以(钇,镧或钆)的摩尔比形成的稀土金属离子的可溶性盐:镱(铒,钬,铽或ium)=(70-90):(0) -29):( 0.001-15)混合稀土金属螯合剂和可溶性氟化物盐形成析出物,然后在升高的温度下退火,生成纳米级的上转换氟化物荧光体颗粒。 粒径在35nm和200nm之间,并且可以通过添加到溶液中的金属螯合剂的量来控制。 纳米级粒子适用于许多生物测定。

    Nanometer-sized up-converting phosphor fluoride particles and process of preparation
    10.
    发明授权
    Nanometer-sized up-converting phosphor fluoride particles and process of preparation 有权
    纳米级上转换氟化磷颗粒及其制备方法

    公开(公告)号:US07422703B2

    公开(公告)日:2008-09-09

    申请号:US10511363

    申请日:2003-04-15

    IPC分类号: C09K11/85

    摘要: Nanometer-scaled up-converting fluoride phosphor particles and processes of making them are disclosed. In the process, an aqueous solution consisting of soluble salts of rare-earth metal ions at a molar ratio of (yttrium, lanthanum or gadolinium): ytterbium:(erbium, holmium, terbium or thulium)=(70-90):(0-29):(0.001-15) is mixed a rare-earth metal chelator and a soluble fluoride salt to form precipitates, which are then annealed at an elevated temperature to produce nanometer-scaled up-converting fluoride phosphor particles. The particle size is between 35 nm and 200 nm, and can be controlled by the amount of the metal chelator added to the solution. The nanometer-sized particle is applicable to many biological assays.

    摘要翻译: 公开了纳米级上转换氟化物荧光体颗粒及其制备方法。 在该方法中,以(钇,镧或钆)的摩尔比形成的稀土金属离子的可溶性盐:镱(铒,钬,铽或ium)=(70-90):(0) -29):( 0.001-15)混合稀土金属螯合剂和可溶性氟化物盐形成析出物,然后在升高的温度下退火,生成纳米级的上转换氟化物荧光体颗粒。 粒径在35nm和200nm之间,并且可以通过添加到溶液中的金属螯合剂的量来控制。 纳米级粒子适用于许多生物测定。