Abstract Hollow carbon nanospheres have received much interest by virtue of the special shape, low density and large interior void space, allowing their many potential applications. Here we report a template-free route to produce nitrogen-doped hollow porous carbon spheres (denoted as N-HPCSs) through amination reaction of C 60 with alkyl diamines and subsequent carbonization. The size of wall thickness and cavity of hollow carbon spheres could be easily regulated by the chain length of alkyl diamines. After carbonization in Ar atmosphere, the obtained N-HPCSs exhibited excellent activity and recyclability for hydrogenation of aromatic nitro compounds with hydrazine hydrate. The facile approach presented in this work provides a new way for preparation of doped hollow porous carbon spheres.

中文翻译：

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富勒烯与烷基二胺的胺化反应衍生的氮掺杂空心碳球作为碳催化剂用于芳族硝基化合物的氢化

摘要 中空碳纳米球以其特殊的形状、低密度和大的内部空隙空间而受到广泛关注，具有许多潜在的应用前景。在这里，我们报告了一种通过 C 60 与烷基二胺的胺化反应和随后的碳化来生产掺氮空心多孔碳球（表示为 N-HPCS）的无模板路线。中空碳球的壁厚和空腔尺寸可以很容易地通过烷基二胺的链长来调节。在Ar气氛中碳化后，所获得的N-HPCSs在芳香族硝基化合物与水合肼加氢方面表现出优异的活性和可回收性。这项工作中提出的简便方法为制备掺杂的空心多孔碳球提供了一种新方法。