Abstract
Electrodeposition (ED) from ionic liquid (IL) medium is of much importance due to a variety of architectures can be synthesized by IL assisted growth. However, these liquids are relatively new for the fabrication of compounds and alloys with a great control over the stoichiometry and thickness. In this article, we have discussed the prerequisites and a detailed methodology to develop stoichiometric CdTe thin films from IL medium with required thicknesses in a controlled way. We have found that the required precursor ratio of Te:Cd can be lower down to 1:10 for 1-butyl-3-methylimidazolium chloride ([Bmim]Cl) IL which is usually 1:1000 for the aqueous electrolytes. Moreover, the aspect ratio of nanostructures can be tuned by changing the precursors’ ratio in IL bath. Nevertheless, IL can be reused multiple times to develop identical thin films which guarantee green and low cost pathway.
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