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Issue 39, 2012
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Large-scale solution synthesis of α-AlF3·3H2O nanorods under low supersaturation conditions and their conversion to porous β-AlF3 nanorods

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Abstract

We report for the first time the multi-gram scale solution growth of α-aluminium fluoride trihydrate (α-AlF3·3H2O) nanorods (NRs) under low supersaturation conditions, and their conversion to porous β-AlF3 NRs. Electron microscopy analysis shows that the NRs yielded from the optimized conditions have an average length of 1.9 μm and diameter of 223 nm. Nanoparticle morphology can also be achieved by tuning the supersaturation through several experimental parameters such as [Al3+] and [HF]/[Al3+] and H2O/2-propanol vol. ratio. Moderate thermal treatment of the as-synthesized α-AlF3·3H2O NRs in air atmosphere (5 h at 500 °C) results in pure β-AlF3 porous NRs, which may be useful as catalysts.

Graphical abstract: Large-scale solution synthesis of α-AlF3·3H2O nanorods under low supersaturation conditions and their conversion to porous β-AlF3 nanorods

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Publication details

The article was received on 12 Jun 2012, accepted on 10 Aug 2012 and first published on 13 Aug 2012


Article type: Paper
DOI: 10.1039/C2JM33782G
Citation: J. Mater. Chem., 2012,22, 20991-20997
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    Large-scale solution synthesis of α-AlF3·3H2O nanorods under low supersaturation conditions and their conversion to porous β-AlF3 nanorods

    M. Estruga, F. Meng, L. Li, L. Chen, X. Li and S. Jin, J. Mater. Chem., 2012, 22, 20991
    DOI: 10.1039/C2JM33782G

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