公开(公告)号：US20070202304A1

公开(公告)日：2007-08-30

申请号：US11362261

申请日：2006-02-27

申请人： Vladimir Golovko ,  Brian Johnson ,  John Robertson ,  Mirco Cantoro ,  Angel Berenguer ,  Wilhelm Huck ,  Hongwei Li ,  Zongqiang Yang

发明人： Vladimir Golovko ,  Brian Johnson ,  John Robertson ,  Mirco Cantoro ,  Angel Berenguer ,  Wilhelm Huck ,  Hongwei Li ,  Zongqiang Yang

IPC分类号： B44C1/17

CPC分类号： B22F1/0022 ,  B01J13/0043 ,  B82Y30/00 ,  Y10T428/24802

摘要： A method for producing a colloid of metallic nanoparticles including the steps of: providing metal ions in solution; providing a stabilizing agent; and reducing said metal ions in the presence of said stabilizing agent, so that metallic nanoparticles are formed with a surrounding layer of said stabilizing agent, wherein the reduction step is carried out at a temperature of not less than 20° C. and not more than 150° C. The metallic nanoparticles are formed of a mixture of transition metal and noble metal, such as Ni—Pd. The resultant nanoparticles have a high stability in terms of size and chemical degradation and so can be stored for long periods. They are therefore particularly suited for forming patterned nanoparticle arrays on a substrate by nanocontact printing for the subsequent formation of a corresponding array of carbon nanotubes or nanofibers via plasma enhanced CVD.

摘要翻译： 一种制造金属纳米粒子胶体的方法，包括以下步骤：在溶液中提供金属离子; 提供稳定剂; 并在所述稳定剂存在下还原所述金属离子，使金属纳米颗粒与所述稳定剂的周围层形成，其中所述还原步骤在不低于20℃且不大于 150℃。金属纳米颗粒由过渡金属和贵金属的混合物如Ni-Pd形成。 所得纳米颗粒在尺寸和化学降解方面具有高稳定性，因此可以长期储存。 因此，它们特别适用于通过纳米接触印刷在衬底上形成图案化纳米颗粒阵列，以便随后通过等离子体增强CVD形成相应阵列的碳纳米管或纳米纤维。