Print ISSN: 1681-6900

Online ISSN: 2412-0758

Keywords : Spray Pyrolysis


Morphology, Optical and Electrical Properties of Tin Oxide Thin Films Prepared by Spray Pyrolysis Method

Wafaa K. Khalef; Eklas K. Hamza; Amenah A. Salman

Engineering and Technology Journal, 2015, Volume 33, Issue 3, Pages 539-546

Transparent conducting tin oxide thin films have been prepared by spray pyrolysis technique. Structure, optical and electrical properties of prepared films at different concentration (0.1, 0.2,0.3,0.4) mol/litter were studied at substrate temperature (550ºC) .UV-Vis spectrophotometer shows that the transmittance increases with the decrease in the concentration of SnO2 thin films and it received 87% for the lower concentration (0.1 mol/litter). From AFM image notice that the smoothness and homogeneous of the films are decreasing with increasing the aqueous solution molarity. I-V characteristic of the SnO2 films shows the thin film behavior was close to Ohm’s law.

Optical Properties of Cuo Thin Films with Different Concentration by Spray Pyrolysis Method

Khawla S. Khashan; Jehan A. Saimon; Azhar I. Hassan

Engineering and Technology Journal, 2014, Volume 32, Issue 1, Pages 86-93

In this work, CuO thin films were prepared by spray pyrolysis method using different concentration of CuCl2 .2H2O. X- ray diffraction (XRD) and UV-VIS transmission spectroscopy were employed to characterize the structure and optical properties of prepared films.XRD patterns show that the films are polycrystalline and monoclinic with (-111) and (111) crystalline orientations. The optical band gaps (2.05 to2.42eV) ,with high absorption coefficient change from (3*105 - 1*105) cm-1 at 0.3M concentration , and excitation coefficient change from (0.85 – 0.7). These constants are found to be oscillatory in nature, which are attributed to the particular structure of films and their concentration.

Optical and Structural Properties of Cdo Thin Film

Azhar I. Hassan; Khawla S. khashan; Aseel A. Hadi

Engineering and Technology Journal, 2013, Volume 31, Issue 5, Pages 613-620

Cadmium oxide thin film has been synthesized using spray pyrolysis method. The structural and optical properties of the film were study by usingX-ray diffraction (XRD), scanning electron microscopy (SEM), Atomic Force microscope (AFM), and UV- VIS spectroscopy. Result show that the film has spherical shape grain with size (460nm) and band gap (2.49eV). Moreover, the RMS equal to 58.7 nm.