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    • 8. 发明申请
    • Metal nanoparticles and method for manufacturing thereof
    • 金属纳米粒子及其制造方法
    • US20070056402A1
    • 2007-03-15
    • US11520731
    • 2006-09-14
    • Sung-Nam ChoSung-II OhHye-Jin Cho
    • Sung-Nam ChoSung-II OhHye-Jin Cho
    • B22F9/24
    • B22F1/0018B22F1/0014B22F9/24B82Y30/00C09D11/30
    • The present invention provides a method of producing metal nanoparticles, having a high yield rate and uniform size achieved by employing a heterologous reducing agent that considerably reduces unreactant, and using ethylene glycol that allows effective separation of desired metal nanoparticles. In addition, the present invention provides metal nanoparticles having high dispersion stability achieved by capping with polyvinyl pyrrolidone(PVP) and conductive ink including these metal nanoparticles. One aspect of the invention may provide a method of producing nanoparticles comprising, (a) mixing ethylene glycol, capping molecules and a reducing agent, (b) mixing a metal precursor with alcohol-based compound and reacting it with the mixture of (a), and (c) finishing the reaction by adding acetone and ethylene glycol to the reaction solution (b).
    • 本发明提供一种生产金属纳米粒子的方法,其具有高的产率和均匀的尺寸,其通过使用显着减少未反应物的异源还原剂和使用允许有效分离所需金属纳米粒子的乙二醇来实现。 此外,本发明提供了通过用聚乙烯吡咯烷酮(PVP)和包含这些金属纳米颗粒的导电油墨进行封端而实现的具有高分散稳定性的金属纳米颗粒。 本发明的一个方面可以提供一种生产纳米颗粒的方法,其包括(a)混合乙二醇,封端分子和还原剂,(b)将金属前体与醇基化合物混合并使其与(a) ,和(c)通过向反应溶液(b)中加入丙酮和乙二醇来完成反应。