Abstract
In this study the thin CdS films were deposited onto the glass sheets by means of the successive ionic layer adsorption and reaction method using cadmium 2,4-pentanedionate and sodium sulfide precursors. The morphology and composition of the as-prepared CdS thin films were characterized using Field-Emission Scanning Electron Microscopy, Energy Dispersive X-ray Spectroscopy and X-ray Photoelectron Spectroscopy. The optical properties of the CdS thin films deposited onto glass sheets were investigated by means of UV/VIS spectrophotometric measurements. It was found that the thin CdS films deposited onto the glass sheets have a crystalline structure with CdS particles of ca. 20–80 nm in size. The thickness of obtained films is ca. 20–80 nm. The determined band gap energy decreases slightly from 2.35 to 2.2 eV with increase in number of deposition cycles from 40 to 100.
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