期刊
NANO LETTERS
卷 9, 期 4, 页码 1527-1533出版社
AMER CHEMICAL SOC
DOI: 10.1021/nl803585s
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类别
资金
- CONACYT for scholarship [SEP47338, SEP-47337, 586787, 45772]
- Inter American Materials Collaboration [58899]
- SALUD-CONACYT [2004-01-013]
- Fondo Mixto de San Luis Potosf [6300t S-3908]
We found that multiwalled carbon nanotubes (MWNTs) can be opened longitudinally by intercalation of lithium and ammonia followed by exfoliation. Intercalation of open-ended tubes and exfoliation with acid treatment and abrupt heating provided the best results. The resulting material consists of: (i) multilayered flat graphitic structures (nanoribbons), (ii) partially open MWNTs, and (iii) graphene flakes. We called the completely unwrapped nanotubes ex-MWNTs, and their large number of edge atoms makes them attractive for many applications.
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