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Carbon nanotubes as nanoreactors for fabrication of single-crystalline Mg3N2 nanowires

机译：碳纳米管作为用于制造Mg3N2单晶纳米线的纳米反应器

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摘要

Due to fast decomposition of Mg3N2 in the presence of water in the atmosphere (Mg3N2 + 6H(2)O -> 3Mg(OH)(2) + 2NH(3)), the synthesis of single-crystalline Mg3N2 nanowires has been a challenge. Here, we demonstrate that carbon nanotubes may serve as nanoreactors for a simple thermal reaction process resulting in the first fabrication of high-quality, large-yield, single-crystalline Mg3N2 nanowires. The Mg3N2 nanowires are homogeneously sheathed over their entire lengths with very thin graphitic carbon tubular layers, which effectively prevent their decomposition (even when the samples are put into water or exposed to atmosphere for several months). We have systematically analyzed for the first time the Mg3N2 nanomaterial by means of transmission electron microscopy (TEM), high-resolution TEM, and electron diffraction. Successful fabrication of carbon sheath protected Mg3N2 nanowires may promote further experimental studies on their crystal structures and properties.
机译：由于Mg3N2在大气中存在水的情况下会快速分解（Mg3N2 + 6H（2）O-> 3Mg（OH）（2）+ 2NH（3）），因此单晶Mg3N2纳米线的合成一直是一个挑战。在这里，我们证明碳纳米管可以用作简单的热反应过程的纳米反应器，从而首次制造出高质量，高产量的单晶Mg3N2纳米线。 Mg3N2纳米线在其整个长度上均被非常薄的石墨碳管状层均匀地包覆，这有效地防止了它们的分解（即使将样品放入水中或暴露于大气中数月也是如此）。我们首次通过透射电子显微镜（TEM），高分辨率TEM和电子衍射系统分析了Mg3N2纳米材料。碳护套保护的Mg3N2纳米线的成功制造可能会促进其晶体结构和性能的进一步实验研究。

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