CdCl2-treated CdTe thin films deposited by the close spaced sublimation technique / N. A. Shah in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 7, N° 1 (01/2010)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 7, N° 1 (01/2010) . - p. 105-110 Titre : CdCl2-treated CdTe thin films deposited by the close spaced sublimation technique Type de document : texte imprimé Auteurs : N. A. Shah, Auteur ; A. Ali, Auteur ; S. Hussain, Auteur ; A. Maqsood, Auteur Année de publication : 2010 Article en page(s) : p. 105-110 Note générale : Bibliogr. Langues : Américain (ame) Index. décimale : 667.9 Revêtements et enduits Résumé : Cadmium telluride thin films were prepared by the close spaced sublimation (CSS) technique, using CdTe powder as evaporant and were submitted to a chemical treatment at 25°C in a saturated CdCl2 solution (2.08 g/100 mL methanol), followed by heat treatment under vacuum ~10−3 mbar at 400°C for 30 min. The effect of chemical and thermal treatments on the crystallographic, morphological, optical, and electrical properties were studied through XRD, scanning electron microscope (SEM), spectrophotometry, and dc electrical resistivity measurements, respectively. The studies revealed that the CdTe grows in face centered cubic phase and that post-deposition treatment affects the morphology as well as the crystallographic properties. The effect on the morphology is stronger. Increase of the grain size was observed in the samples treated thermally. The electrical resistivity drops by a factor of 20 in CdCl2-immersed and heated samples. DOI : 10.1007/s11998-008-9146-0 En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-008-9146-0.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=8353 [article]

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Fabrication and characterization of Cd-enriched CdTe thin films by close spaced sublimation / M. Arif Khan in JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH, Vol. 6, N° 2 (06/2009)  

[article]  inJOURNAL OF COATINGS TECHNOLOGY AND RESEARCH > Vol. 6, N° 2 (06/2009) . - p. 251-256 Titre : Fabrication and characterization of Cd-enriched CdTe thin films by close spaced sublimation Type de document : texte imprimé Auteurs : M. Arif Khan, Auteur ; Nazar Shah, Auteur ; A. Ali, Auteur ; M. Basharat, Auteur ; M. A. Hannan, Auteur ; A. Maqsood, Auteur Année de publication : 2009 Article en page(s) : p. 251-256 Note générale : Bibliogr. Langues : Américain (ame) Catégories : Caractérisation Couches minces Résistance des matériaux Revêtements:Peinture Tellurure de cadmium Index. décimale : 667.9 Revêtements et enduits Résumé : Cd-enriched cadmium telluride (CdTe) polycrystalline films were grown on coming glass substrates by close spaced sublimation (CSS) technique. To our knowledge, Cd-enriched CdTe thin films by CSS have not been reported earlier. The structural investigations performed by means of X-ray diffraction (XRD) technique, scanning electron microscope (SEM), and energy dispersive X-ray spectroscopy (EDX) showed that the deposited films exhibit a polycrystalline structure with 〈111〉 as preferred orientation. The structural, optical, and electrical properties of these films were analyzed as a function of the Cd concentration. For the films having an excess of Cd, the electrical resistivity dropped several orders of magnitude. The deposited films also showed that the value of resistivity decreased with increasing temperature manifesting the semiconducting behavior of the films. The results showed that using this deposition technique, n-type Cd-enriched CdTe polycrystalline film could be produced. DOI : 10.1007/s11998-008-9111-y En ligne : https://link.springer.com/content/pdf/10.1007%2Fs11998-008-9111-y.pdf Format de la ressource électronique : Pdf Permalink : https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=5626 [article]

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