爆炸法合成纳米碳集聚体和纳米金刚石的EPR研究
, PP. 427-434
Keywords: 电子顺磁共振,爆炸法,纳米碳集聚体,纳米金刚石,自由基
Abstract:
爆炸法合成的纳米碳集聚体和纳米金刚石具有大量的结构缺陷和表面官能团.电子顺磁共振(EPR)研究表明,它们均含有大量的自由基,而且纳米碳集聚体和纳米金刚石的EPR谱的形状、峰面积、g因子以及线宽ΔHpp等都存在着较大的差异.此外,还探讨了制备方法、化学处理条件、粒径大小、表面改性及掺杂对纳米碳集聚体和纳米金刚石的自由基密度的影响.
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