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    STUDIA CHEMIA - Issue no. 1-2 / 2001  
         
  Article:   NANOMETRIC CDS FILMS OBTAINED BY SPRAY PYROLYSIS. II. OPTICAL PROPERTIES.

Authors:  VIOLETA POPESCU, RODICA GRECU , ELENA MARIA PICĂ.
 
       
         
  Abstract:  The paper presents the results concerning optical properties of nanometric CdS (20-80 nm) films obtained by spray pyrolysis on glass substrate from aqueous solution containing CdCl2, thiourea and ether sulfate 12-14 (ES). Transmission and absorption spectra in Vis range wavelength were presented. Near-IR reflection was also determined. The film thickness was determined microgravimetrically and spectrometrically. The vis transmittance varies between 45-60% and the NIR reflectance is 15-32%. The obtained results lead to the conclusion that CdS nanostructured films could be applied as solar control coatings.  
         
     
         
         
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