Chemija / Chemistry
 ISSN 0235-7216 ISSN 2424-4538 (online) |
2015 m. Nr. 4 Morphology and composition of silver sulphide layers prepared by chemical conversion technique
Silver sulphide layers prepared by the chemical conversion of copper sulphide layers on a low density polyethylene film, used as a source material, have been studied. SEM images display closely packed layers with nonhomogeneous morphology. With the increase of treating time in a silver salt solution the formed layer is more uniform and consists of dendrites and agglomerates. EDS results reveal that the converted samples are rich in silver and poor in copper. An examination of the XRD data of the obtained layers reveals a polycrystalline nature of the material. Various copper sulphides, silver sulphide and silver were detected in the obtained layers.
Keywords: polythionate acid, polyethylene, copper sulphide, silver sulphide |
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