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Issue 2, 2016
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Rapid, efficient phase pure synthesis of Ca2AlNO3 layered double hydroxide

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Abstract

Phase pure Ca2AlNO3-LDH nanoplatelets have been successfully synthesised by rapid mixing and precipitation from water in air using a colloidal mill. The as prepared nanoplatelets have an average particle size of 250 nm (by TEM) compared to 2.4 μm via conventional coprecipitation. The Ca2AlNO3-LDH nanoplatelet suspensions are not stable, and age post synthesis. TEM data showed that the particles increase in size from 250 to 705 nm after 4 weeks at 8 °C. TEM data also revealed that storage at lower temperatures (−20 °C) significantly slows platelet growth. Aqueous suspensions of Ca2AlNO3-LDH nanoplates slowly decompose at room temperature.

Graphical abstract: Rapid, efficient phase pure synthesis of Ca2AlNO3 layered double hydroxide

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Publication details

The article was received on 25 Oct 2015, accepted on 27 Nov 2015 and first published on 27 Nov 2015


Article type: Paper
DOI: 10.1039/C5TA08562D
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J. Mater. Chem. A, 2016,4, 500-504

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    Rapid, efficient phase pure synthesis of Ca2AlNO3 layered double hydroxide

    M. Yang, E. Tuckley, J. Buffet and D. O'Hare, J. Mater. Chem. A, 2016, 4, 500
    DOI: 10.1039/C5TA08562D

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