期刊
CHEMICAL PHYSICS LETTERS
卷 387, 期 1-3, 页码 193-197出版社
ELSEVIER
DOI: 10.1016/j.cplett.2004.02.005
关键词
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Single-walled nitrogen doped nanotubes were prepared using two novel approaches in an arc-discharge process. In both cases a nitrogen-rich precursor was introduced into the anode rods together with graphite and the catalysts. The nitrogen rich precursors were organic and inorganic, respectively. Both synthesis routes gave nanotubes with a nitrogen concentration of a maximum of 1%, determined using electron energy loss spectroscopy (EELS) coupled with transmission electron microscopy (TEM). All samples were characterized with scanning electron microscopy (SEM), TEM, and high-resolution transmission electron microscopy (HRTEM). (C) 2004 Published by Elsevier B.V.
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