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One-Atmosphere Aqueous-Solution Synthesis of Trimolybdate Nanomaterials and the Feasibility for Mass Production

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Abstract:

Mass production of low-cost functional nanomaterials is an important issue for the development of nanoscience and nanotechnology. With rich structural, physical and chemical properties, polyoxometalates are important functional materials for both industrial applications and fundamental research. We presented a family of alkali trimolybdate nanowires and nanorods that were synthesized by a one-atmosphere aqueous solution method from a mixture of two solutions, one consisting of (NH4)6Mo7O24 · 4H2O and the other of Li+, Na+, K+ and Rb+ ions, respectively. This family showed clear similarities in their Raman and infrared spectra. By systematic characterizations, we have figured out a universal formula Θ m (NH4)2−m Mo3O10 · nH2O (Θ = Li, Na, K, Rb; m = 1, 2) for this family of hydrate nanomaterials. Among them, two new phases, namely Li2Mo3O10 · H2O and Rb2Mo3O10 · 3 · 4H2O were recognized. The method was also applied to synthesizing Ag-doped trimolybdate nanowires, and the feasibility for mass production of these nanomaterials with a continuous synthesis experiment was also clear demonstrated. The results of this work offered interesting experimental data for theoretical analysis of the unique growth mechanism.

Document Type: Research Article

DOI: http://dx.doi.org/10.1166/jnn.2012.6498

Publication date: September 1, 2012

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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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