Influence of Anions on the Morphology of Nanophase α-MnO2 Crystal via Hydrothermal Process
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−, NO−3, 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.
Document Type: Research Article
Publication date: August 1, 2006
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