Cadmium Mercury Telluride Thin Film Is Used as a Photocell

  • S. H. Mane
Conference paper


This paper reports some characterization of polycrystalline cadmium mercury telluride thin film which was obtained on ultrasonically cleaned glass substrate in an alkaline medium at 80 °C by a simple solution growth technique is discussed. The various physical preparative parameters and the deposition conditions such as deposition time and temperature, concentrations of the chemical species, pH, speed of mechanical sturring, etc. were optimized to yield good quality films. The as-prepared sample is tightly adherent to the substrates support, less smooth, diffusely reflecting and was analyzed for composition. The film was polycrystalline with a predominant wurtzite structure. An average crystallite sizes were determined from the XRD patterns and scanning electron microscope (SEM) micrographs. The sample was then characterized optically to determine the absorption co-efficient, mode of optical transitions, and the optical band-gap. The surface morphology of this thin film was then observed via a scanning electron microscope. Cd0.9Hg0.1Te crystals are more or less crystalline spherical and hexagonal prismatic in shape. The film shows n-type conduction. Produced photo-film has been tested for the following parameters: relative spectral response, photoresponse and transient response.


Polycrystalline thin film cadmium mercury telluride Synthesis Wurtzite structure Relative spectral response Photoresponseand transient response 


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© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • S. H. Mane
    • 1
  1. 1.Department of PhysicsDr. Datar, Behere and Joshi CollegeChiplunIndia

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