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Synthesis of Cadmium Sulfi de Quantum Dots with Simultaneous Desulfurization of Kerosene Oil

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Cadmium sulfi de (CdS) quantum dots (QDs) were synthesized by a standard hydrothermal method with simultaneous desulfurization of kerosene oil. Sulfur containing kerosene oil was treated with cadmium chloride (CdCl2) in the presence of sodium hydroxide (NaOH) at 120 °C for 1.5 to 5 h. CdS was formed and sulfur content of oil gradually decreased. Thus, desulfurization of the oil occurred with the formation of the CdS QDs. The concentration of sulfur decreased to a minimum of 0.055% after 5 h of the reaction. In addition, the particle size of QDs increased from 5.4 nm to 8.1 nm as the reaction time was increased from 1.5 to 5 h. Transmission electron microscopy (TEM) study revealed the formation of CdS QDs of particle size 5.4–8.1 nm.
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Keywords: CDS; DESULFURIZATION; QUANTUM DOTS; TEM; XRD

Document Type: Research Article

Publication date: 06 April 2016

This article was made available online on 02 April 2016 as a Fast Track article with title: "Synthesis of Cadmium Sulfide Quantum Dots with Simultaneous Desulfurization of Kerosene Oil".

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