Login New user?  
05- International Journal of Thin Film Science and Technology
An International Journal
               
 
 
 
 
 
 
 
 
 
 
 
 

Content
 

Volumes > Vol. 11 > No. 1

 
   

Improved Physical Properties of ZnO Films with a second Superposed SnO2 very Thin Films Deposited by Spray Pyrolysis Method

PP: 29-35
doi:10.18576/ijtfst/110104
Author(s)
K. Salim, M. N. Amroun,
Abstract
ZnO Thin films were deposited on glass substrates at 350 ± 10 0C by pyrolysis spray technique. A very thin layer of SnO2 was deposited under ZnO films for the purpose of getting a bilayer thin SnO2/ ZnO. A thermal annealing was carried out for the bilayer with a temperature of 350 0C for one hour. The structural, optical and electrical properties of monolayer ZnO films and SnO2/ZnO bilayer thin films were investigated. X-ray diffraction confirmed the hexagonal wurtzite structure of ZnO films, and the hexagonal tetragonal structure of SnO2/ZnO bilayer films. The optical measurement showed a rise of the average transmittance from 81 % to 94 % for SnO2/ZnO annealed bilayer films. The optical band gap varied between 3.22 to 3.31 eV for SnO2/ZnO annealed bilayer films. The maximum electrical conductivity of 17.85 (Ω .cm-1) has been observed for SnO2/ZnO annealed bilayer films.

  Home   About us   News   Journals   Conferences Contact us Copyright naturalspublishing.com. All Rights Reserved