Family of Magic-Sized Carbon Clusters on Transition Metal Substrates

Yan Xue; Wu Xi; Chen Xiaobin; Du Hongda; Gan Lin; Kang Feiyu; Ding Feng; Li Jia

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Family of Magic-Sized Carbon Clusters on Transition Metal Substrates

机译：过渡金属基板上的魔术碳簇系列

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摘要

Highly-stable carbon clusters on transition metal substrates play an important role in the bottom-up approaches for synthesizing graphene quantum dots, graphene nanoribbons, and novel graphene nanostructures. Here, the discovery of a series of magic-sized carbon clusters on different transition metal substrates is reported. Careful analyses reveal that the symmetry matching between the cluster and the substrate, the interaction between cluster edge carbon atoms and the substrate, and the location and orientation of the cluster on the substrate play key roles in stabilizing the new family of magic-sized carbon clusters. The identified magic-sized carbon clusters are thermodynamically and kinetically stable and may serve as the nucleation centers in the synthesis of other graphene nanostructures. These findings will greatly enrich the species of highly-stable carbon clusters on transition metal substrates and paving the road toward the synthesis route of other graphene nanostructures.

机译：过渡金属基材上的高度稳定的碳簇在用于合成石墨烯量子点，石墨烯纳米波纹和新型石墨烯纳米结构的自下而上的方法中起重要作用。这里，报道了在不同过渡金属衬底上发现一系列魔法碳簇。仔细分析表明，簇与基板之间的对称性匹配，簇边缘碳原子和基板之间的相互作用，以及基板上的簇的位置和取向在稳定新的魔法尺寸的碳簇中的关键作用。所识别的魔法碳簇在热力学和动力学上稳定，并且可以作为核心在其它石墨烯纳米结构的合成中的成核中心。这些发现将极大地丰富过渡金属基板上高度稳定的碳簇的种类，并将道路铺设朝向其他石墨烯纳米结构的合成途径。

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《Advanced Functional Materials》 |2020年第52期|2006671.1-2006671.7|共7页
作者
Yan Xue; Wu Xi; Chen Xiaobin; Du Hongda; Gan Lin; Kang Feiyu; Ding Feng; Li Jia;
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Tsinghua Univ Shenzhen Geim Graphene Ctr Tsinghua Shenzhen Int Grad Sch Shenzhen 518055 Peoples R China;

Tsinghua Univ Shenzhen Geim Graphene Ctr Tsinghua Shenzhen Int Grad Sch Shenzhen 518055 Peoples R China|Inst Basic Sci Ctr Multidimens Carbon Mat Ulsan 689798 South Korea|Ulsan Natl Inst Sci & Technol Sch Mat Sci & Engn Ulsan 689798 South Korea;

Harbin Inst Technol Sch Sci Shenzhen 518055 Peoples R China;

Tsinghua Univ Shenzhen Geim Graphene Ctr Tsinghua Shenzhen Int Grad Sch Shenzhen 518055 Peoples R China;

Tsinghua Univ Shenzhen Geim Graphene Ctr Tsinghua Shenzhen Int Grad Sch Shenzhen 518055 Peoples R China;

Tsinghua Univ Shenzhen Geim Graphene Ctr Tsinghua Shenzhen Int Grad Sch Shenzhen 518055 Peoples R China;

Inst Basic Sci Ctr Multidimens Carbon Mat Ulsan 689798 South Korea|Ulsan Natl Inst Sci & Technol Sch Mat Sci & Engn Ulsan 689798 South Korea;

Tsinghua Univ Shenzhen Geim Graphene Ctr Tsinghua Shenzhen Int Grad Sch Shenzhen 518055 Peoples R China;

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正文语种 eng
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关键词
first-principles calculations; graphene nanostructures; magic-sized clusters; transition metal substrates;

机译：第一原理计算;石墨烯纳米结构;魔术簇;过渡金属基板;

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Family of Magic-Sized Carbon Clusters on Transition Metal Substrates

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