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This work consists on a laboratory experience for Inorganic Chemistry, for Engineer students. Samples of ZnS and ZnS doped with Fe are prepared. For ZnS case the precursors are Na2S and ZnCl2. The sample is doped with FeCl2 saturated solution. ZnS has a band gap of 3,68 eV, presents a strong fluorescence and is resistant to an electric high field, it is a material with interesting applications for solar cells, IR windows, lasers and sensors. The X-ray diffraction evidences the nanocrystal structure. Diffractograms show the presence of each component and the structure of the sample. Magnetic properties are also studied which allow to detect odd electrons. The students develop a synthesis technique and they perform a research work to analyze properties and to compare them, using different equipments and techniques.

Una Práctica de Laboratorio Innovadora: Crecimiento y Caracterización de ZnS Puro y Dopado con Fe2+