Synthesis of silver powder using a mechanochemical process

Jari Keskinen (Corresponding Author), Pekka Ruuskanen, Mikko Karttunen, Simo-Pekka Hannula

    Research output: Contribution to journalArticleScientificpeer-review

    34 Citations (Scopus)

    Abstract

    Fine silver powder was synthesized in a mechanochemical process by inducing a solid‐state displacement reaction between AgCl and sodium. The process employed was ball milling in a planetary‐type ball mill. The reaction products were elemental silver and NaCl in powder form. The silver particles were separated out by washing the NaCl by‐product from the milled powder mixture. The milled powders were characterized using X‐ray diffraction (XRD), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The XRD determination showed that the reaction between AgCl and sodium was complete in almost all the experiments carried out. In some cases a minor quantity of Ag2Na was formed. SEM and TEM examinations revealed that, depending on the milling parameters employed, the size of the particles in the synthesized metallic silver powder was in the range 50–1000 nm.
    Original languageEnglish
    Pages (from-to)393-395
    Number of pages3
    JournalApplied Organometallic Chemistry
    Volume15
    Issue number5
    DOIs
    Publication statusPublished - 2001
    MoE publication typeA1 Journal article-refereed

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