Abstract
The study investigates the impact of nickel do** on the structural, optical, morphological, and gas sensing properties of zinc oxide (ZnO) thin films. Films were synthesized using a spray pyrolysis technique on a glass substrate. Structural and morphological analyses were conducted through X-ray diffraction (XRD) and field emission scanning electron microscopy (FESEM). XRD revealed a hexagonal wurtzite structure, primarily aligned along (101) planes. However, nickel do** prompted a preferred orientation towards (002) plane. Lattice parameters decreased systematically, due to the ionic radii mismatch between dopant and host. FESEM showed a nanoflake morphology. Compositional analysis with energy dispersive X-ray spectroscopy (EDX) confirmed successful do**. Optical analysis using UV–Vis spectroscopy indicated high transmission in undoped ZnO films. However reduced band gap values have been reduced with nickel incorporation. Gas sensing response observed to be significantly improved with Nickel do** in ZnO.
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The data that support the findings of this study are not openly available due to reasons of sensitivity and are available from the corresponding author upon reasonable.
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Lokhande, S.D., Awale, M.B., Umadevi, G. et al. A study on room temperature acetone sensing ability of Zn1–xNixO thin films and probing their properties for progressive sensor technology. Appl. Phys. A 129, 769 (2023). https://doi.org/10.1007/s00339-023-07031-z
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DOI: https://doi.org/10.1007/s00339-023-07031-z