功能化富勒烯与单壁碳纳米管之间直径选择性主客体相互作用

Rui Zhang, Wanru Gao, Chang Sun, Yiwen Liu, Xiaojun Lu, Xing Lu
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引用次数: 0

摘要

碳纳米豆荚具有良好的电子特性和自旋电子学特性,其与富勒烯或其衍生物结合的应用前景备受关注。在此,我们设计并合成了一系列具有不同官能团的富勒烯衍生物,然后将其封装在单壁碳纳米管(SWCNTs)中。利用高分辨率透射电镜对豆荚进行了精确的形态学表征,发现豆荚的填充率与官能团的空间体积之间存在明显的相关性。进一步的光谱表征揭示了富勒烯衍生物和SWCNTs之间的直径选择性相互作用,这反过来又影响了纳米管的电子结构。我们的研究结果为纳米豆荚的可控合成和性能调整提供了新的思路。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Diameter-Selective Host-Guest Interactions between Functionalized Fullerenes and Single-Walled Carbon Nanotubes
Carbon nano peapods, with their electronic properties and spintronics, have attracted great attention regarding their potential applications when combined with fullerenes or their derivatives encapsulated inside. Herein, we have designed and synthesized a series of fullerene derivatives with different functional groups, which are then encapsulated into single-walled carbon nanotubes (SWCNTs). Accurate morphological characterization with high-resolution TEM reveals a clear correlation between the filling ratio of the peapods and the steric bulk of the functionalized groups. Further spectroscopic characterizations reveal diameter-selective interactions between the fullerene derivatives and SWCNTs, which, in turn, influence the electronic structures of the nanotubes. Our results have shed new light on the controlled synthesis and property-tuning of nano peapods.
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