In this research we prepared copper oxide thin films by Spray pyrolysis method with
various salts such as ( acetate, nitrate & copper chloride (0.1 M) and study its structural
and optical properties.
Laser technique has been used to determine the thickness of thin films, The structure
characterization of the film was carried out with XRD. The results of XRD show that all
samples have a polycrystalline , Optical properties has been measured by using
spectrophotometer . The absorption coefficient was (1.723*105
- 1.936*105
cm
-1) at ( 380
nm ) according to the kind of salt, and (1.81*104
– 1.748*103
cm-1) at ( 900 nm ). The
energy gap for direct allowed transition was ranged (2.05 eV– 2.65 eV).
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