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Direct growth of nanographene at low temperature from carbon black for highly sensitive temperature detectors

机译：对于高度敏感的温度探测器，从炭黑的低温下直接生长纳米蛋白质

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摘要

Graphene has attracted tremendous research interest owing to its widespread potential applications. However, these applications are partially hampered by the lack of a general method to produce high-quality graphene at low cost. Here, to the best of our knowledge, we use low-cost solid carbon allotropes as the precursor in plasma-enhanced chemical vapor deposition (PECVD) for the first time, and find that the hydrogen plasma and reaction temperature play a crucial role in the process. Hydrogen plasma etches carbon black, and produces graphene crystals in a high-temperature zone. Based on this finding, a modified PECVD technology is developed, which produces transparent conductive nanographene films directly on various substrates at a temperature as low as 600 degrees C. For application, the closely packed structure of the nanographene film enables a remarkable temperature-dependent behavior of the resistance with a ratio higher than that previously reported, indicating its great potential for usage in highly sensitive temperature detectors.
机译：由于其广泛的潜在应用，石墨烯已经吸引了巨大的研究兴趣。然而，由于缺乏以低成本生产高质量石墨烯的一般方法部分地阻碍了这些应用。在这里，尽我们所知，我们首次使用低成本的固体碳异滴作为等离子体增强的化学气相沉积（PECVD）的前体，并发现氢等离子体和反应温度在这方面发挥着至关重要的作用过程。氢等离子体蚀刻炭黑，并在高温区中产生石墨烯晶体。基于该发现，开发了一种改性的PECVD技术，其在低至600℃的温度下直接在各种基板上直接产生透明导电纳米蛋白薄膜。对于施用，纳米蛋白膜的紧密堆积结构使得能够具有显着的温度依赖性行为比例高于先前报道的抗性，表明其在高敏感温度探测器中使用的巨大潜力。

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  • 来源
    《Nanotechnology》 |2016年第50期|共8页
  • 作者

    Li Ke; Cai Zhi; Li Menglin; Liu Donghua; Cao Min; Xia Dongyun; Jin Zhepeng; Wang Zhen; Dong Lan; Xu Xiangfan; Wei Dacheng;

  • 作者单位

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

    Tongji Univ Dept Phys Sci &

    Engn Ctr Phonon &

    Thermal Energy Sci Shanghai 200092 Peoples R China;

    Tongji Univ Dept Phys Sci &

    Engn Ctr Phonon &

    Thermal Energy Sci Shanghai 200092 Peoples R China;

    Fudan Univ Dept Macromol Sci State Key Lab Mol Engn Polymers Shanghai 200433 Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 特种结构材料;
  • 关键词

    graphene; plasma-enhanced chemical vapor deposition; catalyst-free; carbon black; temperature detectors;

    机译：石墨烯;等离子体增强化学气相沉积;无催化剂;炭黑;温度探测器;

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