Eur. Phys. J. Appl. Phys.
Volume 56, Number 1, October 2011
|Number of page(s)||7|
|Published online||28 September 2011|
Synthesis and properties of 10% Zn layered CdTe thin films by SEL method
Nano Optoelectronics Research Laboratory, School of Physics, Universiti Sains Malaysia (USM), 11800 Penang, Malaysia
a e-mail: email@example.com
Accepted: 8 July 2011
Published online: 28 September 2011
Te/Cd/Te/Zn/Cd stacked layers were prepared by Stacked Elemental Layer (SEL) Method. All stacks were annealed from 200 °C to 500 °C and the prepared films were confirmed as polycrystalline nature. Cubic CdTe and Hexagonal ZnTe were identified at high annealing temperature. Transmittance spectra emphasized the significance of Zn doping by annealing the stack. The calculated optical constants n and k were 1.52–2.45 and 0.07–0.36 respectively. The band gaps (Eg) were observed between 1.38 and 1.44 eV at above 350 °C. A uniform surface morphology could be observed at high annealing temperatures. The observed results encouraged the Zn doping using SEL method.
© EDP Sciences, 2011
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