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A New Inorganic–Organic Composite of CuS/Pyridine with Unique Sub-Nanostructures

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Abstract:

Bur-like microspheres and microwires of CuS/pyridine composites were synthesized by a solvothermal method. The spheres or wires composed of a large number of nanoflakes with thickness of 10–20 nm and length of hundreds nanometers. Sub-nanostructures can be observed in the nanoflakes by the high-resolution transmission electron microscopy (HR-TEM) patterns. A large blue shift of band-gap absorption of CuS was observed in the composites, which was attributed to quantum confinement effect (QCE) induced by the sub-nanostructures. Pure Cu9S5 microspheres and CuS/Cu9S5 microwires were obtained by extracting the inorganic–organic composites with ethylene glycol. Possible formation mechanisms were discussed.

Keywords: COMPOSITE; CUS; PYRIDINE; QUANTUM CONFINEMENT EFFECT; SUB-NANOSTRUCTURES

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2009.381

Publication date: March 1, 2009

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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