Water-soluble fluorescent semiconductor nanocrystals
    8.
    发明授权
    Water-soluble fluorescent semiconductor nanocrystals 有权
    水溶性荧光半导体纳米晶体

    公开(公告)号:US06319426B1

    公开(公告)日:2001-11-20

    申请号:US09397428

    申请日:1999-09-17

    IPC分类号: C09K1100

    摘要: A water-soluble semiconductor nanocrystal capable of light emission is provided. The nanocrystal including a semiconductor nanocrystal core having a selected band gap energy, a shell layer overcoating the core comprised of a semiconductor material having a band gap energy greater than that of the semiconductor nanocrystal, and an outer layer comprised of a molecule having at least one linking group for attachment of the molecule to the overcoating shell layer and at least one hydrophilic group optionally spaced apart from the linking group by a hydrophobic region sufficient to prevent electron charge transfer across the hydrophobic region.

    摘要翻译: 提供了能够发光的水溶性半导体纳米晶体。 纳米晶体包括具有选定的带隙能的半导体纳米晶体核心,外壳层覆盖由具有大于半导体纳米晶体的带隙能量的带隙能量的半导体材料构成的芯体,以及由具有至少一个 连接基团,用于将分子连接到外涂层和至少一个任选与连接基隔开的亲水基团,其疏水性区域足以防止电子电荷转移穿过疏水区域。