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首页> 外文期刊>Materials Chemistry and Physics >Formation of rod-like Mg(OH)_2 nanocrystallites under hydrothermal conditions and the conversion to MgO nanorods by thermal dehydration
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Formation of rod-like Mg(OH)_2 nanocrystallites under hydrothermal conditions and the conversion to MgO nanorods by thermal dehydration

机译：水热条件下棒状Mg（OH）_2纳米晶的形成及热脱水转化为MgO纳米棒

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摘要

Mg(OH)_2 nanorods have been successfully prepared via the hydrolysis of MgSO_4 in aqueous ammonium hydroxide solution under hydrothermal conditions. Subsequent thermal decomposition of the as-prepared Mg(OH)_2 nanorods produced MgO nanorods due to shape memory. The morphologies of the resultant Mg(OH)_2 nanocrystallites were monitored at different periods of the hydrothermal process, which clearly revealed the formation process of the Mg(OH)_2 nanorods. The morphology of the MgO product, as a dehydrated product of the rod-like Mg(OH)_2 nanorods, remained similar to its precursor, Mg(OH)_2. The reported method is low cost, simple and environmentally benign, thus it should be relatively easy to be scaled up for industrial production.
机译：通过在水热条件下在氢氧化铵水溶液中水解MgSO_4，成功制备了Mg（OH）_2纳米棒。由于形状记忆，所制备的Mg（OH）_2纳米棒的后续热分解产生了MgO纳米棒。在水热过程的不同时期对生成的Mg（OH）_2纳米晶的形貌进行了监测，这清楚地揭示了Mg（OH）_2纳米棒的形成过程。作为棒状Mg（OH）_2纳米棒的脱水产物，MgO产物的形貌保持与其前体Mg（OH）_2相似。报道的方法成本低，简单且对环境无害，因此应该相对容易地扩大规模以进行工业生产。

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