journal article·2020-03

Effect of doping and changing of the annealing temperature on the structural and optical properties of ZnS

Mohamed Bakr Mohamed

Publisher page

Abstract

Abstract Nano ZnS doped with Co, Mn, or Fe have been synthesized via thermolysis technique at different annealing temperatures (300, 400, and 500°C). The effect of doping and annealing temperature on the lattice parameter and crystalline size of ZnS are studied in detail by Rietveld refinement method of X‐ray diffraction data. To confirm the formation of a zinc blend structure of annealed and doped ZnS, Fourier‐transform infrared are investigated. The energy gaps of doped and annealed ZnS are determined using ultraviolet spectroscopy technique. Undoped and doped ZnS with Fe emitted violet, blue, and green colors depend on the annealing temperature. Moreover, Mn‐doped ZnS exhibits blue‐green emission, while Co‐doped ZnS has a blue emission only.
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Research context

OpenAlex topics: Quantum Dots Synthesis And Properties · Chalcogenide Semiconductor Thin Films · Copper-based nanomaterials and applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Physics Department, Faculty of Science Taibah University Al‐Madina al Munawarah Saudi Arabia

Faculty of Science, Physics Dept. Ain Shams University Cairo Egypt

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