Structural and optical properties of ZnO thin film prepared by sol-gel spin coating

• Autorzy: Balakrishnan G. , Sinha Vivek , Peethala Yogesh Palai , Kumar Manoj , Nimal R. J. Golden Renjith , Hussain J. Hameed , Batoo Khalid Mujasam , Raslan Emad H.

Identyfikatory

DOI

10.2478/msp-2020-0016

• Języki publikacji: EN

Abstrakty

EN

Zinc oxide (ZnO) thin films were deposited on Si (1 0 0) and glass substrates by sol-gel spin coating technique. Zinc acetate dihydrate, monoethanolamine and isopropanol were used as the sources for precursor solution and the resulting gel was used for the preparation of ZnO thin films. The films were annealed at different temperatures (100 °C to 500 °C) and the effect of annealing on the structural and optical properties was investigated. X-ray diffraction (XRD) and UV-Vis spectroscopy were used for the analysis of the films. The XRD results indicated the polycrystalline hexagonal structure of the ZnO films with (0 0 2) orientation. The optical properties of the films were studied using UV-Vis spectrophotometer in the wavelength range of 190 – 1100 nm. The optical characterization of the ZnO thin films showed the high transmittance of ~90 % for the films annealed at 400 °C. The films showed the absorbance ~360 – 390 nm and bandgap values of 3.40 – 3.10 eV, depending on the annealing temperature of the films.

Słowa kluczowe

EN

zinc oxide thin films; sol-gel; spin coating; X-ray diffraction; optical properties

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2020
• Tom: Vol. 38, No. 1
• Strony: 17--22
• Opis fizyczny: Bibliogr. 22 poz., tab., rys.

Twórcy

autor

Balakrishnan G.

• Department of Nanotechnology, Bharath Institute of Science and Technology, Bharath Institute of Higher Education and Research, Chennai-600073, India

autor

Sinha Vivek

• Department of Mechanical Engineering, Bharath Institute of Science and Technology, Bharath Institute of Higher Education and Research, Chennai-600073, India

autor

Peethala Yogesh Palai

• Department of Mechanical Engineering, Bharath Institute of Science and Technology, Bharath Institute of Higher Education and Research, Chennai-600073, India

autor

Kumar Manoj

• Department of Mechanical Engineering, Bharath Institute of Science and Technology, Bharath Institute of Higher Education and Research, Chennai-600073, India

autor

Nimal R. J. Golden Renjith

• Department of Mechanical Engineering, Bharath Institute of Science and Technology, Bharath Institute of Higher Education and Research, Chennai-600073, India

autor

Hussain J. Hameed

• Department of Mechanical Engineering, Bharath Institute of Science and Technology, Bharath Institute of Higher Education and Research, Chennai-600073, India

autor

Batoo Khalid Mujasam

• King Abdullah institute for Nanotechnology, King Saud University, P.O. Box 2455, Riyadh-11451, Saudi Arabia

autor

Raslan Emad H.

• Department of Physics and Astronomy, College of Science, King Saud University, P.O. Box, 2455, Riyadh 11451, Saudi Arabia

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).