بناء منظومة رش كيميائي حراري لتحضير المواد الصلبة على شكل أغشية رقيقه و دراسة الخواص الفيزيائية للمواد المحضرة

Abstract EN

The project includes building a system for the preparation of thin films various solids by chemical spray pyrolysis method.

These films stability and reliability of prohibitively high in the physical properties of materials prepared from them, to be supported by the results for the purposes of research and studies.

Nickel oxide NiO and cadmium sulfide CdS thin films were prepared using this method.

The optical properties of prepared films have been studied in the UV-VIS region of the electromagnetic spectrum by recording of absorbance and transmittance spectrum of the wavelengths range (300-1100) nm.

Reflectivity spectra of the prepared prepared films in the films were also studied in the same region.

Optical constants of the prepared films, such as absorption coefficient, extinction coefficient and refractive index calculated from these spectra.

The prepared films were found to be of direct energy gap and the value of the forbidden energy gap of the NiO films is 3.694 eV while the value of the CdS films is 2.471eV.