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Comparative Study on Nickel Oxide Thin Films Synthesized by Sol-Gel and Chemical Bath Deposition (CBD) Techniques |
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PP: 111-117 |
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doi:10.18576/ijtfst/140206
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Author(s) |
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Laxman N. Bhoye,
Laxmi D. Sonawane,
Abhinay S. Mandawade,
Swapnil S. Tayde,
Anil B. Gite,
Sarika D. Shinde,
Ganesh E. Patil,
Vishal H. Goswami,
Ramesh B. Bhise,
Pradip B. Sarawade,
Mahendra S. Shinde,
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Abstract |
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| In Present study the Nickel oxide (NiO) nanostructures was successfully achieved through two distinct synthesis methods. i.e. sol-gel and chemical bath deposition (CBD). The preparative parameters for nanocrystalline NiO thin films were meticulously optimized. Various characterization techniques, including UV-spectrometry, Scanning Electron Microscopy (SEM), Energy-Dispersive X-ray Spectroscopy (EDX), X-ray Diffraction (XRD), and Fourier-Transform Infrared Spectroscopy (FTIR), were employed to comprehensively analyzed the synthesized material by both the methods. UV-Visible analysis revealed a distinct energy band gap value of 3.6 eV and 3.55 eV by CBD and Sol-gel method for the NiO thin films. Morphological properties were investigated using SEM, confirming the formation of nickel oxide nanoflakes and nanoparticles by CBD and Solgel respectively. XRD analysis confirmed the presence of well-crystallized and highly pure NiO phases, with an average particle size of 12 nm upon for CBD and 8 nm by solgel method, After the calcination at 300°C. Notably, the XRD results indicated sharpened peaks and increased crystallite size with higher calcination temperatures for the films prepared by both the methods, suggesting an enhancement in crystallinity and larger particle size with elevated calcination temperatures. These findings underscore the critical impact of calcination temperature on the structural properties of the synthesized NiO nanostructures.
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