STRUCTURAL AND PHOTOLUMINESCENCE PROPERTIES OF Fe-DOPED ZnO THIN FILMS

  • Solar Photovoltaic Laboratory, Department of Physics, Sri Venkateswara University, Tirupati ? 517 502, India.
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In the present study, the chemical spray pyrolysis method has been taken for synthesis of iron doped zinc oxide (ZnO:Fe) thin films. All the films have been deposited at a constant substrate temperature of 400?C and the dopant (iron) concentration varied in the range, 0 ? 6 at. %. The X-ray diffraction (XRD) spectra of all as-grown films showed the existence of hexagonal wurtzite crystal structure without any other impurity phases. However, the predominant orientation changed from (002) to (101) plane with the increase of doping concentration. The surface morphology of as-prepared ZnO:Fe samples were viewed by scanning electron microscopy (SEM), which showed irregular shaped grains distributed over the substrate surface. The photoluminescence spectra exhibited UV-Visible and green emissions with suppressed intensity with the rise of Fe-content in the films.

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[T. Srinivasulu, K. Saritha and K.T. Ramakrishna Reddy. (2017); STRUCTURAL AND PHOTOLUMINESCENCE PROPERTIES OF Fe-DOPED ZnO THIN FILMS Int. J. of Adv. Res. 5 (Apr). 958-963] (ISSN 2320-5407). www.journalijar.com

K.T. Ramakrishna Reddy
Solar Photovoltaic Laboratory, Department of Physics, Sri Venkateswara University, Tirupati – 517 502, India.

DOI:

Article DOI: 10.21474/IJAR01/3902      
DOI URL: https://dx.doi.org/10.21474/IJAR01/3902

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