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International Journal of Scientific and Engineering Research
ISSN Online 2229-5518
ISSN Print: 2229-5518 10    
Website: http://www.ijser.org
scirp IJSER >> Volume 2, Issue 10, October 2011 Edition
The Influence of Dopants (Cd AND Al ) on The Physical Properties of ZnO
Full Text(PDF, 3000)  PP.  
Ali Fatima.A, Suganthi Devadason
Zinc oxide and doped (Cadmium,Aluminium) zinc oxide thin films have been deposited on glass substrates by simple sol-gel spin coating technique. The structure of the deposited ZnO films was determined by powder X-ray diffraction (XRD) and it exhibits wurtzite structure along c-axis orientation. The surface morphology of the undoped and doped ZnO thin films has been examined by SEM. The optical absorbance of the deposited films was recorded using UV-Vis-NIR spectrometry. The optical band gap of deposited films was found to be 3.13 eV for pure ZnO, 3.21 eV and 3.22 eV for 1% cadmium (Cd) and 1% Aluminium (Al) doped ZnO respectively. The photoluminescence spectra of the films show prominent peaks between 382 to 385nm.
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