Structural and optical analysis of Zn1−xCdxO nanopowder synthesized by Hydrothermal method
Source abstract
Abstract
Abstract Zn 1−x Cd x O nanopowder in a wide range of Cd contents has been obtained by hydrothermal synthesis method. Synthesized nanopowder was characterized by powder X-ray diffraction, X-ray photoelectron spectroscopy, Transmission electron microscopy and Photoluminescence. As x varies from 0 to 1, it was observed that the crystal structure changes from wurtzite (ZnO) to mixture of wurtzite and cubic, and finally to cubic (CdO) structure. The wurtzite-type structure of ZnO can be stabilized up to nominal Cd content x ~0.1 without cubic CdO phase separation. For the Zn 1−x Cd x O nanopowder with wurzite structure, a significant change was observed in ultra-violet near-band-edge emission with variation in Cd content x . The change is attributed to the direct modulation of band gap caused by Zn/Cd substitution.
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Research context
OpenAlex topics: ZnO doping and properties · Copper-based nanomaterials and applications · Gas Sensing Nanomaterials and Sensors
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