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Influence of Anions on the Morphology of Nanophase α-MnO2 Crystal via Hydrothermal Process

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Abstract:

The α-MnO2 nanocrystal nanowires, nanoplates, and nanoflowers have been successfully synthesized by a common hydrothermal treatment of different solutions containing KMnO4 and NH4X (X = Cl, Ac, NO3, SO2−4, and PO3−4) at 140 °C for 24 h. The influence of anions on the morphology of final product is discussed. According to our experimental results, we proposed a possible mechanism of the formation of different morphologies of nano-phase α-MnO2 and considered that the growing process was due to the initial plate-like MOx absorbing different anions and cooperation with them, which contributes to the final morphology of the product.

Keywords: ALPHA-MNO2; CHARACTERIZATION; NANOCRYSTALS; NANOFLOWERS; NANOWIRES; SYNTHESIS

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2006.539

Publication date: August 1, 2006

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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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