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Structural, Optical and Surface Properties of CdTe Thin Films on CdS/FTO Glass Substrates
Current Issue
Volume 3, 2015
Issue 6 (December)
Pages: 76-80   |   Vol. 3, No. 6, December 2015   |   Follow on         
Paper in PDF Downloads: 82   Since Nov. 3, 2015 Views: 1318   Since Nov. 3, 2015
Authors
[1]
K. M. A. Hussain, Experimental Physics Division, Atomic Energy Centre, Dhaka, Bangladesh.
[2]
Ishtiaque M. Syed, Department of Physics, University of Dhaka, Dhaka, Bangladesh.
[3]
Fatema Tuz Zohra, Department of Physics, University of Dhaka, Dhaka, Bangladesh.
[4]
S. Ahmed, Experimental Physics Division, Atomic Energy Centre, Dhaka, Bangladesh.
[5]
Z. H. Mahmood, Department of Electrical and Electronic Engineering, University of Dhaka, Dhaka, Bangladesh.
Abstract
CdTe thin film materials were deposited on CdS/FTO glass substrate using vacuum evaporation technique The sample was characterized using X-ray diffraction (XRD), UV-VIS-NIR spectroscopy and scanning electron microscopy (SEM) techniques. XRD studies revealed that the sample was polycrystalline in nature. The SEM image showed that the sample is columnar in structure and the grains are uniform. Optical band gap of the CdTe thin film was estimated from transmittance and reflectance data and it was found 1.52 to 1.54 eV. The band gap, high absorption co-efficient, polycrystalline nature and surface image showed that thermal evaporation is suitable for deposition of CdTe absorber layer on CdS/FTO glass substrate.
Keywords
CdTe Thin Film, Solar Cell, Band Gap
Reference
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