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首页> 外文期刊>Chemistry: A European journal >Growth of Well-Aligned gamma-MnO_2 Monocrystalline Nanowires through a Coordination-Polyme-Precursor Route
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Growth of Well-Aligned gamma-MnO_2 Monocrystalline Nanowires through a Coordination-Polyme-Precursor Route

机译：通过配位体-聚合物-前体路线生长排列良好的γ-MnO_2单晶纳米线

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摘要

A new coordination-polymer-precursor route has been developed to synthesize nanowires under hydrothermal conditions. In the present work, well-aligned gamma-MnO_2 nanowires, growing along the [002] axis, have success-fully been prepared by selecting an appropriate coordination polymer [{Mn(SO_4)(4,4'-bpy)(H_2O)_2}_n] as precursor. In comparison with the experimental results from other coordination-polymer precursors, it is found that only [{Mn(SO_4)(4,4'-bpy)(H_2O)_2}_n] is appropriate for the formation of gamma-MnO_2 crystal lattices during the process of oxidization. The IR absorption spectra of as-obtained precipitates at different reaction intervals minutely describe the reaction process, due to the different coordination abilities of ligands in the coordination polymer. More evidence about the mechanism will be further explored in the future study. Further observations show the ordered alignment of nanowires' tops and such well-aligned nanowires provide more possible applications in lithium batteries.
机译：已经开发了一种新的配位聚合物前体路线来在水热条件下合成纳米线。在目前的工作中，通过选择合适的配位聚合物[{Mn（SO_4）（4,4'-bpy）（H_2O），成功地制备了沿[002]轴生长的排列良好的γ-MnO_2纳米线。 _2} _n]作为前体。与其他配位聚合物前体的实验结果相比，发现只有[{Mn（SO_4）（4,4'-bpy）（H_2O）_2} _n]适用于形成γ-MnO_2晶格在氧化过程中。由于配位聚合物中配体的配位能力不同，所获得的沉淀物在不同反应间隔下的红外吸收光谱精细地描述了反应过程。在未来的研究中将进一步探索有关该机制的更多证据。进一步的观察表明，纳米线顶部的有序排列，这种排列良好的纳米线在锂电池中提供了更多可能的应用。

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