期刊
JOURNAL OF MATERIALS CHEMISTRY
卷 20, 期 27, 页码 5742-5747出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0jm00698j
关键词
-
资金
- National Natural Science Foundation of China [50871067]
- Ministry of Science and Technology of China [2007AA05Z128]
A simple freeze-smashing method is described to produce water-dispersible single-walled carbon nanotubes (SWCNTs). This is based on freezing SWCNTs in ice and then smashing it in a crusher. After the smashing process, SWCNTs are found to be dispersible in water without any addition of dispersant and destruction of the good graphitic structure. When such SWCNTs are used as a catalyst support for fuel cells, they show much better performance than the original SWCNTs, multi-walled carbon nanotubes and the commercial catalyst from Johnson Matthey Company as well. It is suggested that the present approach might be useful for preparation of water-dispersible single-walled carbon nanotubes in wide areas such as information technology, biomedicine, environmental and energy industries.
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