Effect of deposition parameters on the properties of Pbs/CdS thin film using SILAR method

In this work Lead sulphide (PbS) and Cadmium Sulphide (CdS) thin films were grown on glass substrate by chemical bath deposition (CBD) and Successive Ionic layer adsorption and reaction technique (SILAR) techniques. The structural, morphological, chemical and optical properties of the CBD deposited...

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Bibliographic Details
Main Authors: John, Smiya, Geetha, V.
Format: Conference Proceeding
Language:English
Subjects:
Cadmium sulfide
Cracks
Deposition
Electron microscopes
Energy gap
Glass substrates
Lead sulfides
Optical properties
Organic chemistry
Parameters
Pinholes
Scanning electron microscopy
Submerging
Thin films
X-ray diffraction
X-rays
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Summary:In this work Lead sulphide (PbS) and Cadmium Sulphide (CdS) thin films were grown on glass substrate by chemical bath deposition (CBD) and Successive Ionic layer adsorption and reaction technique (SILAR) techniques. The structural, morphological, chemical and optical properties of the CBD deposited thin films both PbS and CdS have been studied by varying the parameters such as concentration, pH and the deposition time. Similarly in SILAR method parameters such as concentration of cationic and ionic precursors, number of immersion cycles, wet time, dip time and pH of the solution were varied and characterization studies were done. The films were characterized by X-ray diffraction, scanning electron microscope (SEM), (energy dispersive X-rays) EDX and optical absorption measurements. SEM images confirmed that the substrates were well covered with the deposited layers without cracks or pinholes. Crystal size were found using X-ray diffraction. Optical characterization and energy gap was found using UV spectrophotometer.
ISSN:0094-243X
1551-7616
DOI:10.1063/1.5130348