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Effects of substrates on proton irradiation damage of graphene

机译：基材对石墨烯质子辐照损伤的影响

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摘要

In this paper, the irradiation damage of graphite sheets and monolayer graphene on Cu and Ni substrates after the proton irradiation with High Intensity D-T Fusion Neutron Generator (HINEG) were studied. The microstructure evolution of graphite sheets and monolayer graphene on different substrates was analyzed using Raman spectroscopy, X-ray photoelectron spectroscopy (XPS), and transmission electron microscopy (TEM). Results showed that the peak area ratio of carbon-oxides (C-O, C & xe001;O) in graphene was reduced after irradiation. 2-50 nm nanopores were produced in monolayer graphene on both Cu and Ni substrates. The results of Raman spectroscopy showed that the relationship between D and G peak intensity ratios (I-D/I-G) of irradiated graphene on diverse substrates was I-D/I-G(Cu) < I-D/I-G(Ni) < I-D/I-G(graphite), which indicated that the proton irradiation damage of graphene on the Cu substrate was the lightest. The reason for this could be speculated to be that different substrates had different damage self-repairing capabilities.
机译：在本文中，石墨片的照射损伤和单层石墨烯在Cu，Ni基板与高强度d-T聚变中子发生器（HINEG）质子照射后进行了研究。使用拉曼光谱，X-射线光电子能谱（XPS），以及石墨片和在不同基材上的单层石墨烯的微结构演变进行分析透射电子显微镜（TEM）。结果表明，碳氧化物（C-O，C＆xe001; O）的峰面积比在石墨烯照射后减小。 2-50纳米的纳米孔是在单层上都Cu和Ni基底的石墨烯生产。拉曼结果光谱表明，d和G峰的强度比之间（ID / IG）照射石墨烯上不同基板的关系是ID / IG（Cu）的

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  • 来源
    《RSC Advances》 |2020年第20期|共8页
  • 作者

    Wang Weixin; Wang Shufen; Zhang Siwei; Wang Wei; Ji Xiang; Li Chunjing;

  • 作者单位

    Chinese Acad Sci Inst Nucl Energy Safety Technol Key Lab Neutron &

    Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Nucl Energy Safety Technol Key Lab Neutron &

    Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Nucl Energy Safety Technol Key Lab Neutron &

    Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Nucl Energy Safety Technol Key Lab Neutron &

    Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Nucl Energy Safety Technol Key Lab Neutron &

    Radiat Safety Hefei 230031 Anhui Peoples R China;

    Chinese Acad Sci Inst Nucl Energy Safety Technol Key Lab Neutron &

    Radiat Safety Hefei 230031 Anhui Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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