Abstract
In this paper the effect of nonthermal atmospheric argon plasma on the optical properties of the cadmium oxide CdO thin films prepared by chemical spray pyrolysis was studied. The prepared films were exposed to different time intervals (0, 5, 10, 15, 20) min. For every sample, the transmittance, Absorbance, absorption coefficient, energy gap, extinction coefficient and dielectric constant were studied. It is found that the transmittance and the energy gap increased with exposure time, and absorption. Absorption coefficient, extinction coefficient, dielectric constant decreased with time of exposure to the argon plasma
Highlights
IntroductionPlasma is the fourth state of matter (in addition to the three known states of solid, liquid, gaseous); the plasma is classified according to its temperature to two main types: high temperature plasma or nuclear fusion plasma and low temperature plasma or so called plasma discharge
Plasma is the fourth state of matter; the plasma is classified according to its temperature to two main types: high temperature plasma or nuclear fusion plasma and low temperature plasma or so called plasma discharge
Plasma low temperatures are divided into two parts: the thermal plasma, whose components are in the case of local equilibrium and non-thermal plasma, where the temperature of the electrons is much higher than the temperature of the rest of the items(Te >> Ti ≈ Tn) [1]
Summary
Plasma is the fourth state of matter (in addition to the three known states of solid, liquid, gaseous); the plasma is classified according to its temperature to two main types: high temperature plasma or nuclear fusion plasma and low temperature plasma or so called plasma discharge High temperatures are those in which all particles (electrons, ions and neutral particles) in the case of thermal equilibrium (Te ≈ Ti ≈ Tn). The effects of non-thermal Argon plasma produced at normal atmospheric pressure on the optical properties of CdO thin films will be studied. In this work, was studied the effect of nonthermal argon plasma produced at normal atmospheric pressure on the optical properties of CdO thin films that are prepared by chemical spray pyrolysis
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