COORDINATION METALS COMPOUNDS MICROSTRUCTURE AND MICROMORFOLOGY INVESTIGATION INCLUDING A SULFUR – CONTAINING PRECURSOR AS A BASIS FOR CHOOSING THE BEST METHODS FOR THE SYNTHESIS OF NEW MATERIALS
Keywords:
thermolysis, microstructure, micromorphology, sulfur-containing precursor, physical and chemical propertiesAbstract
Present days it is a great practical importanceto study of the complex sulfide compounds of metals microstructure and micromorphology particularly in the research of materials for alternative energy sources. The complex metal compoundsmicrostructure and micromorphology including a sulfur-containing precursor are shown on the images obtained by scanning electron microscope (SEM). It was defined that there are distinct changes occur in the structure of the materials samples in compare with the original compounds, during the process of thermal decomposition of precursor-containing metal complexes. In particular, the images reflect the laminar microstructure (for a sulfur-containing copper complex), characterising amorphous bodies, the matrix structure (for the initial precursor-containing composition of the silver complex), characterising less dense compounds, etc. The micromorphology occurred in the structure of the samples suggests that external physicochemical factors influence the materials formation structure and their surfaces, which, in turn, leads to the emergence and improvement of their physicochemical (in particular, semiconductor) properties.
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