International Journal of Science and Research (IJSR)

International Journal of Science and Research (IJSR)
Call for Papers | Fully Refereed | Open Access | Double Blind Peer Reviewed

ISSN: 2319-7064

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M.Tech / M.E / PhD Thesis | Physics Science | Iraq | Volume 6 Issue 3, March 2017

The Effect of Non-Thermal Plasma of the Structural and Optical Properties of cadmium Oxid (CdO) Thin Films Prepared by Chemical Spray Pyrolysis

Hiba kais Khalil | Dr. Ramiz Ahmad Al-Ansari | Dr. Ghuson. H. Mohammed | Dr Hamid. H.Murbat | Dr. Kadhim. A. Aadim

Abstract: This work, cadmiuum Oxide Thin film was deposite by chemical Spray Pyrolysis method on the glasses substrates on 350 with thickness about ( 185) m was calculated by interference fringe and exposure to non-thermal plasma period between ( 5-10-15) min respectively, Plasma has been called the fourth state of matter, the other three being solid, liquid, and gas, its defined as a collective of mobile positively and negatively charged particles and natural atoms, the non thermal plasma is one of the types ofit, In this type the electron temperature is much larger than the temperature of the remains plasma components In other words, (Te>>TiTn). theX-Ray Diffraction investigated the Structural types in the CdO Thin film after and before exposure to unbalanced plasma, it showed that the intense of the peaks decreased with increasing time exposure to cold plasma as well as appearance of another new peaks in the diffraction pattern for CdO film. The Surfaces Morphology and Roughness of the samples was studied by Atomic Force Microscopy, the Average Roughness and Root Mean Square roughness surface of CdO thin film decrease with increasing the exposure time of non thermal plasma. The optical properties measure by ultra violet spectra (UV-VIS), the optical study shows the band energy gap decreasing with exposing time to cold plasma which ranging between ( 2.6- 2.2) eV, The average Optical Transmittance of CdO film on the ranged 3401100 nm, is about 80 %. To 55 %.

Keywords: cadmiumm Oxide, spray pyrolysis method, AFM, XRD, Thin film, non thermal plasma

Edition: Volume 6 Issue 3, March 2017,

Pages: 2403 - 2410

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