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A new route for preparing CdS thin films by chemical bath deposition using EDTA as ligand

, , , and . BRAZILIAN JOURNAL OF PHYSICS, 34 (2B): 656-658 (2004)11th Brazilian Workshop on Semiconductor Physics, Fortaleza, BRAZIL, MAR 09-14, 2003.
DOI: 10.1590/S0103-97332004000400034

Abstract

Progress is reported towards the development of a new route to obtain cadmium sulfide (CdS) thin films by using ethylene-diamine-tetra-acetic acid (EDTA) ligand on the chemical bath deposition (CBD) method. Different chemical baths are used to study changes in the structures of the US films for different EDTA concentrations. X-ray diffraction (XRD) is used to prove the structural characterization of the samples, and to obtain the grain size with the Scherrer's equation. The pH variations during the growth also affect the structural film quality, and it was verified by using ammonia chloride as an auxiliar-buffer plus Triton-X100.

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