Ga 2 O 3 , Se metal, SnO, Sb 2 O 3 , HgO and PbCO 3 are formed upon the reaction of acetamide aqueous solutions with Ga(NO 3 ) 3 , SeO 2 , SnCl 2 , SbCl 3 , HgCl 2 and Pb(NO 3 ) 2 , respectively, at 90°C. Different amorphous or crystalline phases can be obtained depending upon the experimental conditions (molar ratios, metal salts and temperature). The chemical mechanisms for the formations of this metal, oxides or carbonate are discussed and the X-ray diffraction, scanning electron microscopy (SEM) and atomic force microscope (AFM) are described. The type of metal ions plays an important role in the decomposition of acetamide, leading to the formation of solid stable (metal, oxides or carbonate), soluble and gases species. These new precursors are more stable preventing the rapid precipitation of metal, oxides or carbonate. Furthermore, this route allows the formation of pure compounds in solutions.

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