Nanocrystalline ruthenium sulfide has been synthesised sonochemically using ruthenium chloride and thiourea as precursors. Sonication of an aqueous solution of ruthenium chloride and thiourea yields an X-ray amorphous product which on heating at 650 °C yields nanocrystalline ruthenium sulfide of stoichiometry RuS1.7 with a characteristic XRD pattern. The products have been characterized by powder XRD, TEM, DSC, TGA, CHN analysis, XPS and DRS.
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Jeevanandam et al. (2000) studied this question.
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