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    • 68. 发明授权
    • Synthesis of PtCo nanoparticles
    • PtCo纳米粒子的合成
    • US08110021B2
    • 2012-02-07
    • US12359494
    • 2009-01-26
    • Chuan-Jian ZhongJin LuoZhichaun XuTing He
    • Chuan-Jian ZhongJin LuoZhichaun XuTing He
    • B22F9/18
    • B22F1/0018B22F9/24B82Y30/00C22B11/04Y10S977/896
    • Synthesis of nanoparticles with particle size control is provided by the method of using two different metal-containing precursors, a capping component, an optional reducing agent, and then contacting the two precursors with the capping component to form a reaction solution, which is heated to produce first and second metals-containing nanoparticles. By controlling the ratio of the concentration of the capping component to the total concentration of the two metal-containing precursors, the nanoparticles can have diameters ranging between about 1 nm to about 15 nm. A decrease in the concentration of the capping component typically increases the size of the nanoparticles. Preferred compositions include Pt and Co-containing alloy nanoparticles. Controlled synthesis of larger, about 6 nm to about 12 nm, sized nanoparticles can be achieved in a solvent-free reaction process.
    • 通过使用两种不同的含金属前体,封端组分,任选的还原剂,然后使两种前体与封端组分接触以形成反应溶液,将其加热至 产生第一和第二含金属的纳米颗粒。 通过控制封盖组分的浓度与两种含金属前体的总浓度的比例,纳米颗粒的直径可以在约1nm至约15nm之间。 封端组分的浓度的降低通常增加了纳米颗粒的尺寸。 优选的组合物包括Pt和含Co合金纳米颗粒。 可以在无溶剂反应过程中实现更大的约6nm至约12nm尺寸的纳米颗粒的受控合成。