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Gas sensing performance of Sol-gel grown NiO-doped Cr2O3 nanoparticles | ||
| Iraqi Journal of Physics | ||
| Article 1, Volume 16, Issue 37, 2018, Pages 15-22 | ||
| Authors | ||
| Tunis B. Hassan; Ghuson H. Mohammed; Abdulkareem M. Ali | ||
| Abstract | ||
| The sensors based on Nickel oxide doped chromic oxide (NiO: Cr2O3) nanoparticals were fabricated using thick-film screen printing of sol-gel grown powders. The structural, morphological investigations were carried out using XRD, AFM, and FESEM. Furthermore, the gas responsivity were evaluated towards the NH3 and NO2 gas. The NiO0.10: Cr2O3 nanoparticles exhibited excellent response of 95 % at 100oC and better selectivity towards NH3 with low response and recovery time as compared to pure Cr2O3 and can stand as reliable sensor element for NH3 sensor related applications. | ||
| Keywords | ||
| sol; gel; gas sensor; NiO doped Cr | ||
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