Viscoelastic wormlike micelles formed by ionic liquid-type surfactant [C<sub>16</sub>imC<sub>8</sub>]Br towards template-assisted synthesis of CdS quantum dots.
basic_science · Level V
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- Also identified by DOI 10.1039/c7sm02223a.
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Abstract
In this paper, viscoelastic wormlike micelles consisting of cationic liquid-type surfactant, 1-hexadecyl-3-octyl imidazolium bromide ([C<sub>16</sub>imC<sub>8</sub>]Br), water and different additives were utilized for the synthesis of CdS quantum dots. First, the influence of different additives, such as [Cd(NH<sub>3</sub>)<sub>6</sub>]Cl<sub>2</sub> and ethanethioamid (precursors for the synthesis of CdS quantum dots), and temperature on the viscoelasticity of the [C<sub>16</sub>imC<sub>8</sub>]Br aqueous solution was studied by dynamic and steady rheology. Furthermore, the synthesized CdS quantum dots and their photoluminescence properties were characterized by transmission electron microscopy (TEM), UV-Vis absorption spectroscopy, X-ray diffraction (XRD) and energy-dispersive X-ray spectroscopy (EDX). In the end, the mechanism for the synthesis of CdS quantum dots in [C<sub>16</sub>imC<sub>8</sub>]Br wormlike micelles is proposed.