期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 61, 期 15, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202116854
关键词
Metallofullerene; Nanohoop; Single-Molecule Conductance; Supramolecular Assembly; Tubular Fullerene
资金
- National Natural Science Foundation of China [52022098, 51972309, 51832008, 21803061]
- Youth Innovation Promotion Association of Chinese Academy of Sciences [Y201910]
This study reports the synthesis and characterization of a tubular metallofullertube Ce-2@D-5(450)-C-100. Experimental and theoretical methods were used to compare the structure-property relationship between Ce-2@D-5(450)-C-100 and Ce-2@I-h-C-80. The results demonstrate the high conductivity of Ce-2@D-5(450)-C-100 and its ability to form supramolecular assemblies with nanohoops.
Tubular fullerenes can be considered as end-capped carbon nanotubes with accurate structure, which are promising nanocarbon materials for advanced single-molecule electronic devices. Herein, we report the synthesis and characterization of a metallofullertube Ce-2@D-5(450)-C-100, which has a tubular C-100 cage with a carbon nanotube segment and two fullerene end-caps. As there are structure correlations between tubular Ce-2@D-5(450)-C-100 and spherical Ce-2@I-h-C-80, their structure-property relationship has been compared by means of experimental and theoretical methods. Notably, single-molecule conductance measurement determined that the conductivity of Ce-2@D-5(450)-C-100 was up to eight times larger than that of Ce-2@I-h-C-80. Furthermore, supramolecular assembly of Ce-2@D-5(450)-C-100 and a [12]CPP nanohoop was investigated, and theoretical calculations revealed that metallofullertube Ce-2@D-5(450)-C-100 adopted a standing configuration in the cavity of [12]CPP. These results demonstrate the special nature of this kind of metallofullertube.
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