Nanosize silver particles have been prepared by reduction of aqueous solution of AgNO3 in the presence of polyvinylpyrrolidone, ethanol and de-ionized water, hydrazine hydrate was used for the reduction.

• 摘要采用聚乙烯吡咯烷酮、无水乙醇和去离子水混合溶液，利用水合肼还原硝酸银制备纳米银粒子。