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Issue 41, 2017
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Recent progress in the synthesis of nanostructured magnesium hydroxide

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Abstract

This review highlights synthetic routes for producing nanostructured magnesium hydroxide and focuses on how these various preparative approaches can produce Mg(OH)2 nanoparticles with controlled size and morphology. Mg(OH)2 nanocrystals with rod-, needle-, hollow tube- or platelet-like morphology can be synthesised by the modification of chemical and physical experimental parameters such as the selection of magnesium precursor, solvent and temperature or by employing surface modifiers and templates. Techniques based on hydrothermal/solvothermal treatments, microwave heating and (co-)precipitation are dominant in the production of Mg(OH)2 at the nanoscale, but other materials design approaches are now emerging. Bulk Mg(OH)2 has been extensively studied over decades and finds use in a wide range of applications. Moreover, the hydroxide can also serve as a precursor for other commercially important materials such as MgO. Nanostructuring the material has proven extremely useful in modifying some of its most important properties – not least enhancing the performance of Mg(OH)2 as a non-toxic flame retardant – but equally it is creating new avenues of applied research. We evaluate herein the latest efforts to design novel synthesis routes to nano-Mg(OH)2, to understand the mechanisms of crystallite growth and to tailor microstructure towards specific properties and applications.

Graphical abstract: Recent progress in the synthesis of nanostructured magnesium hydroxide

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Publication details

The article was received on 30 Aug 2017, accepted on 03 Oct 2017 and first published on 03 Oct 2017


Article type: Highlight
DOI: 10.1039/C7CE01570D
Citation: CrystEngComm, 2017,19, 6067-6084
  • Open access: Creative Commons BY license
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    Recent progress in the synthesis of nanostructured magnesium hydroxide

    G. Balducci, L. Bravo Diaz and D. H. Gregory, CrystEngComm, 2017, 19, 6067
    DOI: 10.1039/C7CE01570D

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