POLYOL-BASED METHOD FOR PRODUCING ULTRA-FINE METAL POWDERS

摘要

The invention provides monodisperse ultra-fine metallic particles having a low degree of agglomeration and a high degree of crystallinity and oxidation resistance, and methods for forming such particles. The invention provides a method of controlling the size and size distribution of ultra-fine metal particles by regulating the pH of a polyol-type process. The methods of the invention make it possible to increase the metal loading in a polyol-type process without increasing particle size, enabling the production of ultra-fine metallic particles in high yield.