Preparation of magnesium hydroxide nanoflowers

Abstract:The inexpensive and green method of synthesis for self-assembled micro/nano structures is an important area of emerging research. Such structures can be chemically tuned with predesigned functional properties. Therefore, they hold very good promise for future applications, e.g., biomedicine, electronic device, solar energy, gas sensing. Here we report for the first time an inexpensive and green method for chemical deposition of magnesium hydroxide (Mg(OH) 2 ) micro/nano flowers in thin films on commercial soda lime silica glass substrates at room temperature. Under identical conditions, chemically synthesized Mg(OH) 2 powders are also prepared in absence of the soda lime silica glass substrates. The condition that favors the growth of micro/nano flowers in thin films is identified from X-ray diffraction (XRD), scanning electron microscopy (SEM), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), and energy dispersive X-ray spectroscopy (EDX) data. Finally, the possible growth mechanism of micro/nano flowers in thin films is discussed.

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“…These data also match very closely with those (e.g., a = b = 3.15 Å and c = 4.78 Å) reported by other researchers in Ref. [18].…”

Section: Resultssupporting

confidence: 92%

“…On the other hand, the growth of ultra-thin Mg(OH) 2 films could only be realized by a high-temperature dynamic in-situ growth process [12]. Mostly, in the cases of powders, the formations of Mg(OH) 2 nano flakes [13], nano tubes [14], nano rods [15][16][17] and nano flowers [18,19] have been reported.…”

Section: Introductionmentioning

confidence: 99%

Synthesis of Mg(OH)2 micro/nano flowers at room temperature

et al. 2013

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“…Currently, the synthesis of Mg(OH) 2 nanomaterials is being carried out by different techniques to achieve desired size and shape. Different methods, such as solvothermal method [4], reverse precipitation [5], hydrothermal route [6] and solution based chemical process [7] were adopted by scientists to prepare Mg(OH) 2 nanomaterials. The preparation of one dimensional (1D) nanostructures, such as nanowires, nanorods and nanotubes triggered intensive attentions owing to their potential applications in various fields, such as nanodevice, nanocable, and nanobiosensor [8,9].…”

Section: Introductionmentioning

confidence: 99%

Mg(OH)2 Nanorods Synthesized by A Facile Hydrothermal Method in the Presence of CTAB

2011

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Magnesium hydroxide (Mg(OH)2) nanorods were synthesized by a simple and facile hydrothermal method in the presence of cetyltetramethylammonium bromide (CTAB) as a surfactant. Nanorods of magnesium oxide MgO were also induced by thermal decomposition of Mg(OH)2 nanorods at 700℃. By using disk diffusion technique, the Mg(OH)2 nanorods were found to exhibit higher antibacterial efficiency against several tested bacterial strains. Keywords:

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“…Many methods have been developed to synthesise nano-Mg(OH) 2 with versatile morphological nanostructures, such as onedimensional nanorods and nanowires, two-dimensional plate-like and lamellar nanocrystals, and three-dimensional sphere and flower-like nanostructures. The synthesis methods include hydrothermal reaction, [4][5][6][7][8][9] solvothermal route, [10][11][12] precipitation, [13][14][15][16][17] microwave-assisted syntheses, [18] sonochemistry method, [19] water-in-oil microemulsion, [20] anodisation [21][22][23][24] or corrosion of magnesium, [25,26] electrodeposition, [27][28][29] and liquid-solid arc-discharge technique. [30] Anodisation of metal at high voltage is a conventional facile method for the preparation of well-aligned nanotube arrays of metal oxides, such as anodised aluminum oxide and TiO 2 .…”

Section: Introductionmentioning

confidence: 99%

Self-growth of micro- and nano-structured Mg(OH)₂on electrochemically anodised Mg–Li alloy surface

Wang

Cao

et al. 2013

Journal of Experimental Nanoscience

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Formation of Mg(OH) 2 nanowires and their assemblies with sphere-shaped, echinus-shaped and nest-like micro-structures on a Mg-Li alloy surface was successfully demonstrated. Mg(OH) 2 nanowires were formed on the alloy surface via a self-growth process, after the alloy was electrooxidised in NaCl solution and the oxidation products were removed. The nanowires were characterised by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and Infrared spectroscopy. The nanowires have hexagonal rod-like or brush-like morphology and are poorly crystallised. Pre-anodisation and the presence of Li in the alloy are key factors for the nanowire growth, which likely proceeds via a dissolution-precipitation mechanism. The roles of Li can be attributed to the prohibition of the formation of passivation film on the alloy surface and the acceleration of the formation of OH À anions through hydrogen-evolution reaction.

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Preparation of magnesium hydroxide nanoflowers

Cited by 128 publications

References 19 publications

Synthesis of Mg(OH)2 micro/nano flowers at room temperature

Synthesis of Mg(OH)2 micro/nano flowers at room temperature

Mg(OH)2 Nanorods Synthesized by A Facile Hydrothermal Method in the Presence of CTAB

Self-growth of micro- and nano-structured Mg(OH)₂on electrochemically anodised Mg–Li alloy surface

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Preparation of magnesium hydroxide nanoflowers

Cited by 128 publications

References 19 publications

Synthesis of Mg(OH)2 micro/nano flowers at room temperature

Synthesis of Mg(OH)2 micro/nano flowers at room temperature

Mg(OH)2 Nanorods Synthesized by A Facile Hydrothermal Method in the Presence of CTAB

Self-growth of micro- and nano-structured Mg(OH)2on electrochemically anodised Mg–Li alloy surface

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Product

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Self-growth of micro- and nano-structured Mg(OH)₂on electrochemically anodised Mg–Li alloy surface