Authors: Wang, Zeyun; Lou, Wenjing; Wang, Xiaobo; Liu, Weimin

Source: Journal of Nanoscience and Nanotechnology, Volume 11, Number 3, March 2011 , pp. 2080-2089(10)

Publisher: American Scientific Publishers

Abstract:

A facile microwave-biomolecular assistance method has been used to synthesize copper sulfide nanomaterials. In this process, the histidine as the directing and assembling agent plays an important role in the formation of the different hierarchical architectures. The morphologies and the sizes of the products can be tuned by adjusting the molar ratio of Cu²⁺/histidine and Cu²⁺/thiourea. The effect of other experiment parameters such as the reaction temperature, the power of microwave irradiation, and reaction time on the morphology and the size has been also discussed in detail. The possible reaction and growth mechanisms of the formation different hierarchical architectures are also discussed. In addition, the optical properties of these copper sulfides nanomaterials were investigated and the photocatalytic activity of different hierarchical architectures has been tested by the degradation of methyl orange (MO) under UV-light irradiation.

Keywords: COPPER SULFIDE NANOSTRUCTURES; MICROWAVE-BIOMOLECULAR ASSISTANCE; THE REACTION AND GROWTH MECHANISMS; OPTICAL PROPERTIES; PHOTOCATALYTIC

Document Type: Research article

DOI: http://dx.doi.org/10.1166/jnn.2011.3589

Publication date: 2011-03-01

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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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