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    • 116. 发明申请
    • NANORICE PARTICLES: HYBRID PLASMONIC NANOSTRUCTURES
    • 纳米颗粒:混合等离子体纳米结构
    • WO2007103802A3
    • 2007-11-22
    • PCT/US2007063201
    • 2007-03-02
    • UNIV RICE WILLIAM MLE FEIWANG HUIBRANDL DANIELNORDLANDER PETERHALAS NAOMI J
    • WANG HUIBRANDL DANIELNORDLANDER PETERHALAS NAOMI J
    • G01N21/55
    • B82B1/00B82B3/00B82Y30/00B82Y40/00Y10T428/2991Y10T428/2993
    • A new hybrid nanoparticle, i.e., a nanorice particle, which combines the intense local fields of nanorods with the highly tunable plasmon resonances of nanoshells, is described herein. This geometry possesses far greater structural tunability than previous nanoparticle geometries, along with much larger local field enhancements and far greater sensitivity as a surface plasmon resonance (SPR) nanosensor than presently known dielectric-conductive material nanostructures. In an embodiment, a nanoparticle comprises a prolate spheroid-shaped core having a first aspect ratio. The nanoparticle also comprises at least one conductive shell surrounding said prolate spheroid-shaped core. The nanoparticle has a surface plasmon resonance sensitivity of at least 600 nm RIU -1 . Methods of making the disclosed nanorice particles are also described herein.
    • 本文描述了将纳米棒的强局部场与纳米壳的高度可调谐等离子体共振组合的新的混合纳米颗粒,即纳米颗粒。 该几何具有比以前的纳米颗粒几何形状更大的结构可调性,以及比目前已知的介电导电材料纳米结构更大的局部场增强和比表面等离子体共振(SPR)纳米传感器更大的灵敏度。 在一个实施方案中,纳米颗粒包含具有第一纵横比的扁球状球形芯。 纳米颗粒还包括围绕所述扁球状球形芯的至少一个导电壳。 纳米颗粒的表面等离子体共振灵敏度至少为600nm RIU -1。 本文还描述了制备所公开的纳米微粒的方法。