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首页> 外文期刊>RSC Advances >Preparing dangling bonds by nanoholes on graphene oxide nanosheets and their enhanced magnetism
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Preparing dangling bonds by nanoholes on graphene oxide nanosheets and their enhanced magnetism

机译：通过纳米孔制备悬空键，石墨烯氧化物纳米液及其增强磁性

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摘要

The effects of dangling bonds on the magnetic properties of graphene oxide (GO) were studied experimentally by creating nanoholes on GO nanosheets. GO with more nanoholes (MHGO) and less nanoholes (LHGO) on graphene oxide nanosheets were synthesized. Results showed that nanoholes brought new dangling bonds for GO and the increase of the dangling bonds on GO could be adjusted by the amounts of the nanoholes on GO. The magnetism of GO was enhanced with increased density of nanoholes on GO (MHGO > LHGO > GO). Furthermore, the increased dangling bonds induced magnetic coupling between the spin units and so converted paramagnetism GO to ferromagnetism (MHGO, LHGO). The easy generation and adjustment of GO dangling bonds by nanoholes on GO nanosheets will promote the applications of GO.
机译：通过在GO纳米片上产生纳米孔来研究悬垂粘合对石墨烯氧化物（GO）磁性的影响。 合成了更多的纳米孔（MHGO）和较少的纳米孔（LHGO），合成了石墨烯氧化物纳米片。 结果表明，纳米孔带来了新的悬空键，可以通过纳米孔的数量来调节悬垂粘合债券的增加。 随着纳米孔的密度增加（MHGO> LHGO> Go），Go的磁性增强了增强了。 此外，增加的悬空键在旋转单元之间引起磁耦合，因此转换的副轴球磁耦合达到铁圆织（MHGO，LHGO）。 Go Nanoshs上纳米孔的持续生成和调整纳米孔将促进Go的应用。

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  • 来源
    《RSC Advances》 |2020年第60期|共8页
  • 作者

    Li Juan; Cui Rongli; Chang Yanan; Huang Huan; Guo Xihong; Wang Jiahao; Liu Ru; Chen Kui; Kong Jianglong; Xing Gengmei; Sun Baoyun;

  • 作者单位

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

    Chinese Acad Sci Inst High Energy Phys CAS Key Lab Biomed Effects Nanomat &

    Nanosafety CAS Beijing 100049 Peoples R China;

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  • 正文语种 eng
  • 中图分类 化学;
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