期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 134, 期 23, 页码 9545-9548出版社
AMER CHEMICAL SOC
DOI: 10.1021/ja3013853
关键词
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资金
- Ministry of Education, Culture, Sports, Science and Technology [21108523, 2365117]
- New Energy and Industrial Technology Development Organization, Japan
- Grants-in-Aid for Scientific Research [12J06991, 21108523, 23651117] Funding Source: KAKEN
The hollow inner spaces of single-wall carbon nanotubes (SWCNTs) can confine various types of molecules. Many remarkable phenomena have been observed inside SWCNTs while encapsulating organic molecules (peapods). However, a mixed electronic structure state of the surrounding SWCNTs has impeded a detailed understanding of the physical/chemical properties of peapods and their device applications. We present a single-chirality purification method for SWCNTs that can encapsulate organic molecules. A single-chiral state of (11,10) SWCNTs with a diameter of 1.44 nm, which is large enough for molecular encapsulation, was obtained after a two-step purification method: metal-semiconductor sorting and cesium-chloride sorting. The encapsulation of C-60 to the (11,10) SWCNTs was also succeeded, promising a route toward single-chirality peapod devices.
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