Abstract
Structural, optical and electrical properties of nanostructured FeCdS<SUB>3 </SUB>thin films deposited by spray pyrolysis method using ferric nitrate and cadmium chloride as cationic and thiourea as anionic source with complexes EDTA, tartaric acid and acetic acid is reported. The structural and morphological studies were carried out using X-ray diffractometry (XRD), energy dispersive X-ray analysis (EDS) and scanning electron microscopy (SEM). The X- ray spectrum reveals that the films are nanocrystalline in nature with mixed orthorhombic and hexagonal phase due to FeS<SUB>2 </SUB>and CdS lattice. The SEM study shows that the surface morphology of the film is highly influenced by the complexing agent used in the deposition process. Also the optical absorption and electrical resistivity measurements show that the band-gap and activation energy of FeCdS<SUB>3</SUB> thin films varies from 2.45 to 2.63 eV and 0.09 and 0.38 eV respectively depending on the complex used.
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