Structural Studies of ZnO: Al Thin Film Synthesized by Low Cost Spray Pyrolysis for Optoelectronic Applications

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Authors

  • Department of Physics, Sathyabama University, Chennai – 600 119, Tamil Nadu ,IN
  • Department of Physics, University of Madras, Chennai - 600 005, Tamil Nadu ,IN

DOI:

https://doi.org/10.18311/jsst/2015/4396

Keywords:

Optoelectronic Devices, Spray Pyrolysis, Thin Film.

Abstract

Undoped and Aluminum-doped ZnO thin films are prepared by ultrasonic spray pyrolysis at 400 °C on glass substrates were investigated. The dopant solution is taken at the atomic percentage of 1 to 5. By using X-Ray Diffraction (XRD) and Atomic Force Microscopy (AFM), the crystallographic properties and surface morphology of the films were characterized. The X-ray diffraction results show that the pure ZnO thin films have polycrystalline nature and possess a typical hexagonal wurtzite structure. Compared to pure ZnO thin film, the grain size in the Al-doped thin film is increased. They are well crystallized and the grain size is (e = 0.13 μm) for Al-doped ZnO and (e = 0.1 μm) for undoped ZnO. Compared to the previous reports, grain size of the ZnO thin film also increases with the increasing annealing temperature.

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Published

2015-12-01

How to Cite

Rameshkumar, C., & Subalakshmi, R. (2015). Structural Studies of ZnO: Al Thin Film Synthesized by Low Cost Spray Pyrolysis for Optoelectronic Applications. Journal of Surface Science and Technology, 31(3-4), 176–178. https://doi.org/10.18311/jsst/2015/4396

 

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