Structural reproducibility of CdTe thin films deposited on different substrates by close space sublimation method
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POTLOG, Tamara, SPALATU, Nicolae, MATICIUC, Natalia, HIIE, Jaan, VALDNA, Vello, MIKLI, Valdek, MERE, Arvo. Structural reproducibility of CdTe thin films deposited on different substrates by close space sublimation method. In: Physica Status Solidi (A) Applications and Materials Science, 2012, vol. 209, pp. 272-276. ISSN 1862-6300. DOI: https://doi.org/10.1002/pssa.201127123
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Physica Status Solidi (A) Applications and Materials Science
Volumul 209 / 2012 / ISSN 1862-6300

Structural reproducibility of CdTe thin films deposited on different substrates by close space sublimation method

DOI:https://doi.org/10.1002/pssa.201127123

Pag. 272-276

Potlog Tamara1, Spalatu Nicolae1, Maticiuc Natalia1, Hiie Jaan2, Valdna Vello2, Mikli Valdek2, Mere Arvo2
 
1 Moldova State University,
2 Tallinn University of Technology
 
 
Disponibil în IBN: 4 octombrie 2023


Rezumat

We report on the characterization of polycrystalline CdTe thin films grown directly on glass, SnO 2-coated glass, and CdS/SnO 2/glass at relatively low temperatures by employing the close space sublimation technique (CSS). The deposited films have been characterized by using optical absorption, X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy dispersive X-ray analysis (EDX). Based on the SEM and optical analysis, the CdTe/CdS/SnO 2/glass thin films exhibit a superior crystal quality and reproducibility in comparison to other CdTe films grown on glass and SnO 2/glass. XRD study reveals that films are polycrystalline with a cubic crystal structure. The EDX characterization indicates that all CdTe thin films are nearly stoichiometric. The optical absorption study shows a larger variation of band gap from 1.485 to 1.495 eV for CdTe grown on SnO 2-coated glass. 

Cuvinte-cheie
Cadmium Telluride, grain size distributions, optical properties, structural properties