Structural Characterization of NiO/Cr2O3Composites and Hydrothermal Synthesis, Properties Gas Sensing | ||
| Journal of Al-Nahrain University - Science | ||
| Article 1, Volume 21, Issue 1, June 2018, Pages 59-64 | ||
| Authors | ||
| Ghuson H. Mohammed; Tunis B.Hassan; Zainab T.Abdulhamied | ||
| Abstract | ||
| Pure Cr2O3 and NiO/Cr2O3 nanocomposite were luckily synthesized by simple hydrothermal technique. X-ray films diffraction (XRD), Filed Emission scanning electron microscopy (FESEM), Energy dispersive X-ray spectroscopy (EDS), were used to research the crystalline structures, surface morphologies and nanostructures, and element components and their valences of the as-synthesized samples. Moreover, gas sensors based on the synthesized pure Cr2O3 and NiO/ Cr2O3 composites were fabricated and their sensing behavior, to NH3.Gas sensing experiments reference that the NiO/ Cr2O3 composites showed much higher gas response and lower working temperature than those of pure Cr2O3. These results assure that the as-synthesized NiO/ Cr2O3 composites a favorable NH3 sensing material | ||
| Keywords | ||
| nanocomposite; chromic oxide; Nickel Oxide; hydrothermal method | ||
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