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Facile Synthesis of CuS Nanostructures: Structural, Optical and Photocatalytic Properties

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Devising a facile synthetic approach to explore wider applications of copper chalcogenides has been a challenge and a topic of great interest. Achieving highly ordered structures with phase purity is highly desirable in this regard. Here we report a facile template free synthesis methodology of copper sulfide (CuS) nanopetals and nanopetals-based architectures by a simple reaction of Cu2+ ions with S2– ions, optimized by use of several solvents (dimethyl formamide, ethanol and ethylene glycol). Hexagonal covellite CuS with high phase purity and crystallinity was obtained with different morphologies in a variety of reaction media. A study of the structural, optical and photocatalytic properties of the as-prepared products has been carried out and the possible growth mechanism has been elucidated. Moreover, CuS nanostructures with hierarchical architecture have demonstrated superior photocatalytic performance when activated in the visible region over the other types of synthesized nanostructures and commercially available CuS powders.
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Keywords: NANOSTRUCTURE; PHOTOCATALYST PROPERTIES; PL EMISSION; SEMICONDUCTOR

Document Type: Research Article

Publication date: December 1, 2014

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  • Science of Advanced Materials (SAM) is an interdisciplinary peer-reviewed journal consolidating research activities in all aspects of advanced materials in the fields of science, engineering and medicine into a single and unique reference source. SAM provides the means for materials scientists, chemists, physicists, biologists, engineers, ceramicists, metallurgists, theoreticians and technocrats to publish original research articles as reviews with author's photo and short biography, full research articles and communications of important new scientific and technological findings, encompassing the fundamental and applied research in all latest aspects of advanced materials.
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