EFFECT OF DEPOSITION PARAMETER ON EXTERIOR MORPHOLOGY, STRUCTURAL AND OPTICAL CHARACTERISTICS OF CHEMICAL BATH-DEPOSITED ZINC OXIDE THIN FILMS

Rahima Nasrin, M. D. Obaydul Haq, M. D. Mohiuddin and H. Akther
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Rahima Nasrin: Department of Physics, University of Barisal, Barisal-8200, Bangladesh
M. D. Obaydul Haq: Department of Physics, University of Barisal, Barisal-8200, Bangladesh
M. D. Mohiuddin: Department of Physics, University of Barisal, Barisal-8200, Bangladesh
H. Akther: ��Department of Physics, Bangladesh University of Textiles, Dhaka 1208, Bangladesh

Surface Review and Letters (SRL), 2024, vol. 31, issue 08, 1-8

Abstract: In this research, Zinc Oxide thin films (ZOTF) have been placed onto a glass substrate at different times of deposition via chemical bath deposition (CBD) technique. The influence of deposition time (DT) on the exterior morphology, elemental, structural and optical behaviors of the prepared thin films has been studied through various characterization techniques for example field emission scanning electron microscopy (FESEM), energy dispersive X-ray (EDX) spectroscopy, X-ray diffraction (XRD) analysis and UV-Vis spectroscopic analysis, respectively. According to FESEM images, the thin film surface existing on a dense and flower-like surface morphology was changed to flake-like structure due to increase of DT. EDX analysis exhibited the mass % and atomic % of Zn which is extant in greater proportion but O is lesser in the prepared ZOTF. The XRD pattern exposed the hexagonal wurtzite structure of ZOTF. The UV-V is results exhibited a decrease in transmittance and the optical band gap was significantly influenced by the alteration of DT. The observed high transparency of these thin films in the visible region makes them appropriate for utilization as transparent windows in numerous optical device applications.

Keywords: Thin film; optical characteristics; chemical bath deposition (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1142/S0218625X24500598

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