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Morphology-controllable synthesis of carbon nanomaterials directly on Al2O3 substrates, and their photoluminescence

机译:直接在Al2O3基材上的形态可控合成碳纳米材料,及其光致发光

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摘要

By controlling the growth temperature, different categories of carbon nanomaterials (CNMs) such as carbon nanocoils (CNCs) and chain-like carbon nanospheres (CNSs) can be synthesized directly over Al2O3 substrate without using any transition-metal catalysts. It is proposed that the Al2O3 particles play a key role in the CNM growth, and the reaction temperature has a great impact on the morphology of the obtained CNMs. Furthermore, the photoluminescence studies indicate that the obtained CNCs and chain-like CNSs show different optical properties, which suggest that the optical properties of the obtained CNMs may be tuned by controlling their structures.
机译:通过控制生长温度,可以在不使用任何过渡金属催化剂的情况下直接在Al 2 O 3基板上直接合成不同类别的碳纳米材料(CNMS),例如碳纳米膜(CNM)和链状碳纳米球(CNS)。 提出,Al2O3颗粒在CNM生长中发挥关键作用,反应温度对所得CNM的形态产生很大影响。 此外,光致发光研究表明所获得的CNC和链状CNS显示出不同的光学性质,这表明可以通过控制其结构来调谐所获得的CNM的光学性质。

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  • 来源
    《RSC Advances》 |2015年第109期|共6页
  • 作者

    Xiaosi Qi; Qi Hu; Jianle Xu;

  • 作者单位

    Nanjing National Laboratory ofMicrostructures and Jiangsu Provincial Laboratory for NanoTechnology Nanjing University Nanjing 210093 People's Republic of China.;

    hysics Department Guizhou University Guiyang 550025 People's Republic of China.;

    hysics Department Guizhou University Guiyang 550025 People's Republic of China.;

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

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