Structural, optical and morphological properties of electrodeposited n-i-p-CdTethin films on CdS/FTO/glass substrate

Cadmium Telluride thin films were deposited on freshly prepared, high-quality CdS films, using a fastelectrodeposition method. It is presented that, only ۳۰ min deposition time is enough to prepare CdTefilms with thicknesses of about ۱ micrometer. The deposition of n-i-p-cadmium telluride was carriedout by varying the deposition voltage from ۲.۱ V to ۱.۸ V and ۱.۵ V. The exact thickness of the preparedfilms was determined using cross sectional scanning electron microscopy (FESEM). The structure ofCdTe film deposited on CdS/FTO/glass substrate, was determined by studying the variation of the XRDpicks by increasing the thickness of CdTe layer. Effect of thickness on optical properties and surfacemorphology of deposited films was also discussed.

Keywords:

Thin film , thickness , Cadmium Telluride , Electrodeposition