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Fabrication of ultralong perovskite structure nanotubes

机译：超龙钙钛矿结构纳米管的制造

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摘要

Fabrication of high quality nanotubes with thin walls, long length, and uniform diameter is challenging, especially in complex structure oxides, such as perovskites. In this paper, we elucidate a facile method for the preparation of perovskite manganite nanotubes by a sacrificial template assisted pulsed laser deposition technique. Morphological analysis reveals a typical hollow tubular nanostructure of the nanotubes with lengths up to tens of micrometers and the average diameter of 160 nm. The nanotubes are composed of perovskite crystallites with a granular size of 5-10 nm, and show superparamagnetism behavior. The kinetic energy of the plume is crucial for the nanotube formation, which could be tuned by the laser energy density, the pressure of deposition and the target-substrate distance. This sacrificial template method illustrated here does not only propose a universal technique for high quality inorganic nanotube material fabrication, but also provides a promising route to new one-dimensional materials and devices.
机译：用薄壁，长长度和均匀直径制造高质量的纳米管是具有挑战性的，尤其是复杂的结构氧化物，例如钙钛矿。在本文中，我们通过牺牲模板辅助脉冲激光沉积技术阐明了制备钙钛矿锰纳米管的容易方法。形态学分析揭示了纳米管的典型中空管状纳米结构，其长度高达几十微米，平均直径为160nm。纳米管由颗粒尺寸为5-10nm的钙钛矿微晶组成，并显示出超分子行为。羽毛的动能对于纳米管形成至关重要，可以通过激光能量密度，沉积压力和目标基板距离调谐。这里所示的该牺牲模板方法不仅提出了一种用于高质量无机纳米管材料制造的通用技术，而且还提供了新的一维材料和装置的有希望的路线。

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  • 来源
    《RSC Advances》 |2018年第1期|共7页
  • 作者

    Wu Xiaofeng; Huang Keke; Yuan Long; Feng Shouhua;

  • 作者单位

    Jilin Univ Coll Chem State Key Lab Inorgan Synth &

    Preparat Chem Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Chem State Key Lab Inorgan Synth &

    Preparat Chem Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Chem State Key Lab Inorgan Synth &

    Preparat Chem Changchun 130012 Jilin Peoples R China;

    Jilin Univ Coll Chem State Key Lab Inorgan Synth &

    Preparat Chem Changchun 130012 Jilin Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 化学;
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